diff --git a/browser.js b/browser.js
index 5ce89acfb..51cb11003 100644
--- a/browser.js
+++ b/browser.js
@@ -928,7 +928,7 @@ function mse(errors) {
   return sum / this.constants.size;
 }
 
-},{"./lookup":3,"./neural-network":5,"gpu.js":84}],5:[function(require,module,exports){
+},{"./lookup":3,"./neural-network":5,"gpu.js":87}],5:[function(require,module,exports){
 'use strict';
 
 Object.defineProperty(exports, "__esModule", {
@@ -2044,7 +2044,72 @@ var NeuralNetwork = function () {
 
 exports.default = NeuralNetwork;
 
-},{"./lookup":3,"./train-stream":33,"./utilities/max":35,"./utilities/mse":36,"./utilities/randos":40,"./utilities/range":41,"./utilities/to-array":42,"./utilities/zeros":43,"thaw.js":108}],6:[function(require,module,exports){
+},{"./lookup":3,"./train-stream":36,"./utilities/max":38,"./utilities/mse":39,"./utilities/randos":43,"./utilities/range":44,"./utilities/to-array":45,"./utilities/zeros":46,"thaw.js":111}],6:[function(require,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+var _matrix = require('./matrix');
+
+var _matrix2 = _interopRequireDefault(_matrix);
+
+var _gru = require('./gru');
+
+var _gru2 = _interopRequireDefault(_gru);
+
+var _rnnTimeStep = require('./rnn-time-step');
+
+var _rnnTimeStep2 = _interopRequireDefault(_rnnTimeStep);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var GRUTimeStep = function (_RnnTimeStep) {
+  _inherits(GRUTimeStep, _RnnTimeStep);
+
+  function GRUTimeStep() {
+    _classCallCheck(this, GRUTimeStep);
+
+    return _possibleConstructorReturn(this, (GRUTimeStep.__proto__ || Object.getPrototypeOf(GRUTimeStep)).apply(this, arguments));
+  }
+
+  _createClass(GRUTimeStep, [{
+    key: 'getModel',
+    value: function getModel(hiddenSize, prevSize) {
+      return _gru2.default.prototype.getModel(hiddenSize, prevSize);
+    }
+
+    /**
+     *
+     * @param {Equation} equation
+     * @param {Matrix} inputMatrix
+     * @param {Matrix} previousResult
+     * @param {Object} hiddenLayer
+     * @returns {Matrix}
+     */
+
+  }, {
+    key: 'getEquation',
+    value: function getEquation(equation, inputMatrix, previousResult, hiddenLayer) {
+      return _gru2.default.prototype.getEquation(equation, inputMatrix, previousResult, hiddenLayer);
+    }
+  }]);
+
+  return GRUTimeStep;
+}(_rnnTimeStep2.default);
+
+exports.default = GRUTimeStep;
+
+},{"./gru":7,"./matrix":16,"./rnn-time-step":34}],7:[function(require,module,exports){
 'use strict';
 
 Object.defineProperty(exports, "__esModule", {
@@ -2152,7 +2217,72 @@ var GRU = function (_RNN) {
 
 exports.default = GRU;
 
-},{"./matrix":14,"./matrix/random-matrix":21,"./rnn":32}],7:[function(require,module,exports){
+},{"./matrix":16,"./matrix/random-matrix":23,"./rnn":35}],8:[function(require,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+var _matrix = require('./matrix');
+
+var _matrix2 = _interopRequireDefault(_matrix);
+
+var _lstm = require('./lstm');
+
+var _lstm2 = _interopRequireDefault(_lstm);
+
+var _rnnTimeStep = require('./rnn-time-step');
+
+var _rnnTimeStep2 = _interopRequireDefault(_rnnTimeStep);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var LSTMTimeStep = function (_RnnTimeStep) {
+  _inherits(LSTMTimeStep, _RnnTimeStep);
+
+  function LSTMTimeStep() {
+    _classCallCheck(this, LSTMTimeStep);
+
+    return _possibleConstructorReturn(this, (LSTMTimeStep.__proto__ || Object.getPrototypeOf(LSTMTimeStep)).apply(this, arguments));
+  }
+
+  _createClass(LSTMTimeStep, [{
+    key: 'getModel',
+    value: function getModel(hiddenSize, prevSize) {
+      return _lstm2.default.prototype.getModel.call(this, hiddenSize, prevSize);
+    }
+
+    /**
+     *
+     * @param {Equation} equation
+     * @param {Matrix} inputMatrix
+     * @param {Matrix} previousResult
+     * @param {Object} hiddenLayer
+     * @returns {Matrix}
+     */
+
+  }, {
+    key: 'getEquation',
+    value: function getEquation(equation, inputMatrix, previousResult, hiddenLayer) {
+      return _lstm2.default.prototype.getEquation.call(this, equation, inputMatrix, previousResult, hiddenLayer);
+    }
+  }]);
+
+  return LSTMTimeStep;
+}(_rnnTimeStep2.default);
+
+exports.default = LSTMTimeStep;
+
+},{"./lstm":9,"./matrix":16,"./rnn-time-step":34}],9:[function(require,module,exports){
 'use strict';
 
 Object.defineProperty(exports, "__esModule", {
@@ -2269,7 +2399,7 @@ var LSTM = function (_RNN) {
 
 exports.default = LSTM;
 
-},{"./matrix":14,"./matrix/random-matrix":21,"./rnn":32}],8:[function(require,module,exports){
+},{"./matrix":16,"./matrix/random-matrix":23,"./rnn":35}],10:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -2289,7 +2419,7 @@ function addB(product, left, right) {
   }
 }
 
-},{}],9:[function(require,module,exports){
+},{}],11:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -2309,7 +2439,7 @@ function add(product, left, right) {
   }
 }
 
-},{}],10:[function(require,module,exports){
+},{}],12:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -2327,7 +2457,7 @@ function allOnes(product) {
   }
 }
 
-},{}],11:[function(require,module,exports){
+},{}],13:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -2350,7 +2480,7 @@ function cloneNegative(product, left) {
   }
 }
 
-},{}],12:[function(require,module,exports){
+},{}],14:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -2369,7 +2499,7 @@ function copy(product, left) {
   product.deltas = left.deltas.slice(0);
 }
 
-},{}],13:[function(require,module,exports){
+},{}],15:[function(require,module,exports){
 'use strict';
 
 Object.defineProperty(exports, "__esModule", {
@@ -2789,7 +2919,7 @@ var Equation = function () {
 
 exports.default = Equation;
 
-},{"./":14,"./add":9,"./add-b":8,"./all-ones":10,"./clone-negative":11,"./copy":12,"./multiply":19,"./multiply-b":16,"./multiply-element":18,"./multiply-element-b":17,"./ones-matrix":20,"./relu":23,"./relu-b":22,"./row-pluck":25,"./row-pluck-b":24,"./sigmoid":28,"./sigmoid-b":27,"./tanh":31,"./tanh-b":30}],14:[function(require,module,exports){
+},{"./":16,"./add":11,"./add-b":10,"./all-ones":12,"./clone-negative":13,"./copy":14,"./multiply":21,"./multiply-b":18,"./multiply-element":20,"./multiply-element-b":19,"./ones-matrix":22,"./relu":25,"./relu-b":24,"./row-pluck":27,"./row-pluck-b":26,"./sigmoid":30,"./sigmoid-b":29,"./tanh":33,"./tanh-b":32}],16:[function(require,module,exports){
 'use strict';
 
 Object.defineProperty(exports, "__esModule", {
@@ -2973,7 +3103,7 @@ var Matrix = function () {
 
 exports.default = Matrix;
 
-},{"../../utilities/zeros":43}],15:[function(require,module,exports){
+},{"../../utilities/zeros":46}],17:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -3001,7 +3131,7 @@ function maxI(m) {
   return maxix;
 };
 
-},{}],16:[function(require,module,exports){
+},{}],18:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -3039,7 +3169,7 @@ function multiplyB(product, left, right) {
   }
 }
 
-},{}],17:[function(require,module,exports){
+},{}],19:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -3059,7 +3189,7 @@ function multiplyElementB(product, left, right) {
   }
 }
 
-},{}],18:[function(require,module,exports){
+},{}],20:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -3080,7 +3210,7 @@ function multiplyElement(product, left, right) {
   }
 }
 
-},{}],19:[function(require,module,exports){
+},{}],21:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -3121,7 +3251,7 @@ function multiply(product, left, right) {
   }
 }
 
-},{}],20:[function(require,module,exports){
+},{}],22:[function(require,module,exports){
 'use strict';
 
 Object.defineProperty(exports, "__esModule", {
@@ -3169,7 +3299,7 @@ var OnesMatrix = function (_Matrix) {
 
 exports.default = OnesMatrix;
 
-},{"../../utilities/ones":37,"./":14}],21:[function(require,module,exports){
+},{"../../utilities/ones":40,"./":16}],23:[function(require,module,exports){
 'use strict';
 
 Object.defineProperty(exports, "__esModule", {
@@ -3218,7 +3348,7 @@ var RandomMatrix = function (_Matrix) {
 
 exports.default = RandomMatrix;
 
-},{"../../utilities/random":39,"./":14}],22:[function(require,module,exports){
+},{"../../utilities/random":42,"./":16}],24:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -3236,7 +3366,7 @@ function reluB(product, left) {
   }
 }
 
-},{}],23:[function(require,module,exports){
+},{}],25:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -3256,7 +3386,7 @@ function relu(product, left) {
   }
 }
 
-},{}],24:[function(require,module,exports){
+},{}],26:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -3277,7 +3407,7 @@ function rowPluckB(product, left, rowIndex) {
   }
 }
 
-},{}],25:[function(require,module,exports){
+},{}],27:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -3298,7 +3428,7 @@ function rowPluck(product, left, rowPluckIndex) {
   }
 }
 
-},{}],26:[function(require,module,exports){
+},{}],28:[function(require,module,exports){
 'use strict';
 
 Object.defineProperty(exports, "__esModule", {
@@ -3332,7 +3462,7 @@ function sampleI(m) {
   }
 }
 
-},{"../../utilities/random":39}],27:[function(require,module,exports){
+},{"../../utilities/random":42}],29:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -3351,7 +3481,7 @@ function sigmoidB(product, left) {
   }
 }
 
-},{}],28:[function(require,module,exports){
+},{}],30:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -3375,7 +3505,7 @@ function sig(x) {
   return 1 / (1 + Math.exp(-x));
 }
 
-},{}],29:[function(require,module,exports){
+},{}],31:[function(require,module,exports){
 'use strict';
 
 Object.defineProperty(exports, "__esModule", {
@@ -3419,7 +3549,7 @@ function softmax(m) {
   return result;
 }
 
-},{"./":14}],30:[function(require,module,exports){
+},{"./":16}],32:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -3439,7 +3569,7 @@ function tanhB(product, left) {
   }
 }
 
-},{}],31:[function(require,module,exports){
+},{}],33:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -3458,7 +3588,230 @@ function tanh(product, left) {
   }
 }
 
-},{}],32:[function(require,module,exports){
+},{}],34:[function(require,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+var _matrix = require('./matrix');
+
+var _matrix2 = _interopRequireDefault(_matrix);
+
+var _randomMatrix = require('./matrix/random-matrix');
+
+var _randomMatrix2 = _interopRequireDefault(_randomMatrix);
+
+var _equation = require('./matrix/equation');
+
+var _equation2 = _interopRequireDefault(_equation);
+
+var _rnn = require('./rnn');
+
+var _rnn2 = _interopRequireDefault(_rnn);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var RNNTimeStep = function (_RNN) {
+  _inherits(RNNTimeStep, _RNN);
+
+  function RNNTimeStep(options) {
+    _classCallCheck(this, RNNTimeStep);
+
+    return _possibleConstructorReturn(this, (RNNTimeStep.__proto__ || Object.getPrototypeOf(RNNTimeStep)).call(this, options));
+  }
+
+  _createClass(RNNTimeStep, [{
+    key: 'createInputMatrix',
+    value: function createInputMatrix() {
+      this.model.input = new _randomMatrix2.default(this.inputSize, 1, 0.08);
+    }
+  }, {
+    key: 'createOutputMatrix',
+    value: function createOutputMatrix() {
+      var model = this.model;
+      var outputSize = this.outputSize;
+      var lastHiddenSize = this.hiddenSizes[this.hiddenSizes.length - 1];
+
+      //whd
+      model.outputConnector = new _randomMatrix2.default(outputSize, lastHiddenSize, 0.08);
+      //bd
+      model.output = new _matrix2.default(outputSize, 1);
+    }
+  }, {
+    key: 'bindEquation',
+    value: function bindEquation() {
+      var model = this.model;
+      var hiddenSizes = this.hiddenSizes;
+      var hiddenLayers = model.hiddenLayers;
+      var equation = new _equation2.default();
+      var outputs = [];
+      var equationConnection = model.equationConnections.length > 0 ? model.equationConnections[model.equationConnections.length - 1] : this.initialLayerInputs;
+
+      // 0 index
+      var output = this.getEquation(equation, equation.input(model.input), equationConnection[0], hiddenLayers[0]);
+      outputs.push(output);
+      // 1+ indices
+      for (var i = 1, max = hiddenSizes.length; i < max; i++) {
+        output = this.getEquation(equation, output, equationConnection[i], hiddenLayers[i]);
+        outputs.push(output);
+      }
+
+      model.equationConnections.push(outputs);
+      equation.add(equation.multiply(model.outputConnector, output), model.output);
+      model.equations.push(equation);
+    }
+
+    /**
+     *
+     * @param {Number[]} input
+     * @returns {number}
+     */
+
+  }, {
+    key: 'runInput',
+    value: function runInput(input) {
+      this.runs++;
+      var model = this.model;
+      var errorSum = 0;
+      var equation = void 0;
+      while (model.equations.length < input.length - 1) {
+        this.bindEquation();
+      }
+      var outputs = [];
+
+      if (this.inputSize === 1) {
+        for (var inputIndex = 0, max = input.length - 1; inputIndex < max; inputIndex++) {
+          // start and end tokens are zeros
+          equation = model.equations[inputIndex];
+
+          var current = input[inputIndex];
+          var next = input[inputIndex + 1];
+          var output = equation.runInput([current]);
+          for (var i = 0; i < output.weights.length; i++) {
+            var error = output.weights[i] - next;
+            // set gradients into log probabilities
+            errorSum += Math.abs(error);
+
+            // write gradients into log probabilities
+            output.deltas[i] = error;
+            outputs.push(output.weights);
+          }
+        }
+      } else {
+        for (var _inputIndex = 0, _max = input.length - 1; _inputIndex < _max; _inputIndex++) {
+          // start and end tokens are zeros
+          equation = model.equations[_inputIndex];
+
+          var _current = input[_inputIndex];
+          var _next = input[_inputIndex + 1];
+          var _output = equation.runInput(_current);
+          for (var _i = 0; _i < _output.weights.length; _i++) {
+            var _error = _output.weights[_i] - _next[_i];
+            // set gradients into log probabilities
+            errorSum += Math.abs(_error);
+
+            // write gradients into log probabilities
+            _output.deltas[_i] = _error;
+            outputs.push(_output.weights);
+          }
+        }
+      }
+      //this.model.equations.length - 1;
+      this.totalCost = errorSum;
+      return errorSum;
+    }
+  }, {
+    key: 'runBackpropagate',
+    value: function runBackpropagate() {
+      for (var i = this.model.equations.length - 1; i > -1; i--) {
+        this.model.equations[i].runBackpropagate();
+      }
+    }
+
+    /**
+     *
+     * @param {Number[]|Number} [input]
+     * @param {Number} [maxPredictionLength]
+     * @param {Boolean} [isSampleI]
+     * @param {Number} temperature
+     * @returns {Number[]|Number}
+     */
+
+  }, {
+    key: 'run',
+    value: function run() {
+      var input = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+      var maxPredictionLength = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
+      var isSampleI = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+      var temperature = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 1;
+
+      if (!this.isRunnable) return null;
+      var model = this.model;
+      while (model.equations.length < maxPredictionLength) {
+        this.bindEquation();
+      }
+      var lastOutput = void 0;
+      if (this.inputSize === 1) {
+        for (var i = 0; i < input.length; i++) {
+          var outputMatrix = model.equations[i].runInput([input[i]]);
+          lastOutput = outputMatrix.weights;
+        }
+      } else {
+        for (var _i2 = 0; _i2 < input.length; _i2++) {
+          var _outputMatrix = model.equations[_i2].runInput(input[_i2]);
+          lastOutput = _outputMatrix.weights;
+        }
+      }
+      if (this.outputSize === 1) {
+        return lastOutput[0];
+      }
+      return lastOutput;
+    }
+
+    /**
+     *
+     * @returns {Function}
+     */
+
+  }, {
+    key: 'toFunction',
+    value: function toFunction() {
+      throw new Error('not implemented');
+    }
+  }]);
+
+  return RNNTimeStep;
+}(_rnn2.default);
+
+exports.default = RNNTimeStep;
+
+
+RNNTimeStep.defaults = {
+  inputSize: 1,
+  hiddenSizes: [20],
+  outputSize: 1,
+  learningRate: 0.01,
+  decayRate: 0.999,
+  smoothEps: 1e-8,
+  regc: 0.000001,
+  clipval: 5,
+  json: null,
+  dataFormatter: null
+};
+
+RNNTimeStep.trainDefaults = _rnn2.default.trainDefaults;
+
+},{"./matrix":16,"./matrix/equation":15,"./matrix/random-matrix":23,"./rnn":35}],35:[function(require,module,exports){
 'use strict';
 
 Object.defineProperty(exports, "__esModule", {
@@ -4260,7 +4613,7 @@ RNN.trainDefaults = {
   keepNetworkIntact: false
 };
 
-},{"../utilities/data-formatter":34,"../utilities/random":39,"../utilities/zeros":43,"./matrix":14,"./matrix/copy":12,"./matrix/equation":13,"./matrix/max-i":15,"./matrix/random-matrix":21,"./matrix/sample-i":26,"./matrix/softmax":29}],33:[function(require,module,exports){
+},{"../utilities/data-formatter":37,"../utilities/random":42,"../utilities/zeros":46,"./matrix":16,"./matrix/copy":14,"./matrix/equation":15,"./matrix/max-i":17,"./matrix/random-matrix":23,"./matrix/sample-i":28,"./matrix/softmax":31}],36:[function(require,module,exports){
 'use strict';
 
 Object.defineProperty(exports, "__esModule", {
@@ -4478,7 +4831,7 @@ function uniques(arr) {
   return [].concat(_toConsumableArray(new Set(arr)));
 }
 
-},{"./lookup":3,"stream":106}],34:[function(require,module,exports){
+},{"./lookup":3,"stream":109}],37:[function(require,module,exports){
 'use strict';
 
 Object.defineProperty(exports, "__esModule", {
@@ -4701,7 +5054,7 @@ var DataFormatter = function () {
 
 exports.default = DataFormatter;
 
-},{}],35:[function(require,module,exports){
+},{}],38:[function(require,module,exports){
 'use strict';
 
 Object.defineProperty(exports, "__esModule", {
@@ -4724,7 +5077,7 @@ function max(values) {
   return Math.max.apply(Math, (0, _toArray2.default)(values));
 }
 
-},{"./to-array":42}],36:[function(require,module,exports){
+},{"./to-array":45}],39:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -4740,7 +5093,7 @@ function mse(errors) {
   return sum / errors.length;
 }
 
-},{}],37:[function(require,module,exports){
+},{}],40:[function(require,module,exports){
 'use strict';
 
 Object.defineProperty(exports, "__esModule", {
@@ -4756,7 +5109,7 @@ function ones(size) {
   return array;
 }
 
-},{}],38:[function(require,module,exports){
+},{}],41:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -4767,7 +5120,7 @@ function randomWeight() {
   return Math.random() * 0.4 - 0.2;
 }
 
-},{}],39:[function(require,module,exports){
+},{}],42:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -4808,7 +5161,7 @@ function gaussRandom() {
 gaussRandom.returnV = false;
 gaussRandom.vVal = 0;
 
-},{}],40:[function(require,module,exports){
+},{}],43:[function(require,module,exports){
 'use strict';
 
 Object.defineProperty(exports, "__esModule", {
@@ -4830,7 +5183,7 @@ function randos(size) {
   return array;
 }
 
-},{"./random-weight":38}],41:[function(require,module,exports){
+},{"./random-weight":41}],44:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -4851,7 +5204,7 @@ function range(start, end) {
   return result;
 }
 
-},{}],42:[function(require,module,exports){
+},{}],45:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -4876,7 +5229,7 @@ function toArray(values) {
   }
 }
 
-},{}],43:[function(require,module,exports){
+},{}],46:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -4887,13 +5240,16 @@ function zeros(size) {
   return new Float32Array(size);
 }
 
-},{}],44:[function(require,module,exports){
+},{}],47:[function(require,module,exports){
 var crossValidate = require('./dist/cross-validate').default;
 var likely = require('./dist/likely').default;
 var lookup = require('./dist/lookup').default;
 var NeuralNetwork = require('./dist/neural-network').default;
 var NeuralNetworkGPU = require('./dist/neural-network-gpu').default;
 var TrainStream = require('./dist/train-stream').default;
+var RNNTimeStep = require('./dist/recurrent/rnn-time-step').default;
+var LSTMTimeStep = require('./dist/recurrent/lstm-time-step').default;
+var GRUTimeStep = require('./dist/recurrent/gru-time-step').default;
 var RNN = require('./dist/recurrent/rnn').default;
 var LSTM = require('./dist/recurrent/lstm').default;
 var GRU = require('./dist/recurrent/gru').default;
@@ -4918,6 +5274,9 @@ var brain = {
   NeuralNetworkGPU: NeuralNetworkGPU,
   TrainStream: TrainStream,
   recurrent: {
+    RNNTimeStep: RNNTimeStep,
+    LSTMTimeStep: LSTMTimeStep,
+    GRUTimeStep: GRUTimeStep,
     RNN: RNN,
     LSTM: LSTM,
     GRU: GRU,
@@ -4935,7 +5294,7 @@ if (typeof module !== 'undefined') {
   module.exports = brain;
 }
 
-},{"./dist/cross-validate":1,"./dist/likely":2,"./dist/lookup":3,"./dist/neural-network":5,"./dist/neural-network-gpu":4,"./dist/recurrent/gru":6,"./dist/recurrent/lstm":7,"./dist/recurrent/rnn":32,"./dist/train-stream":33,"./dist/utilities/data-formatter":34,"./dist/utilities/max":35,"./dist/utilities/mse":36,"./dist/utilities/ones":37,"./dist/utilities/random":39,"./dist/utilities/random-weight":38,"./dist/utilities/randos":40,"./dist/utilities/range":41,"./dist/utilities/to-array":42,"./dist/utilities/zeros":43}],45:[function(require,module,exports){
+},{"./dist/cross-validate":1,"./dist/likely":2,"./dist/lookup":3,"./dist/neural-network":5,"./dist/neural-network-gpu":4,"./dist/recurrent/gru":7,"./dist/recurrent/gru-time-step":6,"./dist/recurrent/lstm":9,"./dist/recurrent/lstm-time-step":8,"./dist/recurrent/rnn":35,"./dist/recurrent/rnn-time-step":34,"./dist/train-stream":36,"./dist/utilities/data-formatter":37,"./dist/utilities/max":38,"./dist/utilities/mse":39,"./dist/utilities/ones":40,"./dist/utilities/random":42,"./dist/utilities/random-weight":41,"./dist/utilities/randos":43,"./dist/utilities/range":44,"./dist/utilities/to-array":45,"./dist/utilities/zeros":46}],48:[function(require,module,exports){
 (function (global, factory) {
 	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
 	typeof define === 'function' && define.amd ? define(['exports'], factory) :
@@ -10273,7 +10632,7 @@ Object.defineProperty(exports, '__esModule', { value: true });
 
 })));
 
-},{}],46:[function(require,module,exports){
+},{}],49:[function(require,module,exports){
 'use strict'
 
 exports.byteLength = byteLength
@@ -10391,9 +10750,9 @@ function fromByteArray (uint8) {
   return parts.join('')
 }
 
-},{}],47:[function(require,module,exports){
+},{}],50:[function(require,module,exports){
 
-},{}],48:[function(require,module,exports){
+},{}],51:[function(require,module,exports){
 (function (global){
 /*!
  * The buffer module from node.js, for the browser.
@@ -12186,14 +12545,14 @@ function isnan (val) {
 }
 
 }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"base64-js":46,"ieee754":85,"isarray":49}],49:[function(require,module,exports){
+},{"base64-js":49,"ieee754":88,"isarray":52}],52:[function(require,module,exports){
 var toString = {}.toString;
 
 module.exports = Array.isArray || function (arr) {
   return toString.call(arr) == '[object Array]';
 };
 
-},{}],50:[function(require,module,exports){
+},{}],53:[function(require,module,exports){
 (function (Buffer){
 // Copyright Joyent, Inc. and other Node contributors.
 //
@@ -12304,7 +12663,7 @@ function objectToString(o) {
 }
 
 }).call(this,{"isBuffer":require("../../is-buffer/index.js")})
-},{"../../is-buffer/index.js":87}],51:[function(require,module,exports){
+},{"../../is-buffer/index.js":90}],54:[function(require,module,exports){
 // Copyright Joyent, Inc. and other Node contributors.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a
@@ -12608,7 +12967,7 @@ function isUndefined(arg) {
   return arg === void 0;
 }
 
-},{}],52:[function(require,module,exports){
+},{}],55:[function(require,module,exports){
 'use strict';
 
 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
@@ -12642,7 +13001,7 @@ module.exports = function (_FunctionBuilderBase) {
 
   return CPUFunctionBuilder;
 }(FunctionBuilderBase);
-},{"../function-builder-base":57,"./function-node":53}],53:[function(require,module,exports){
+},{"../function-builder-base":60,"./function-node":56}],56:[function(require,module,exports){
 'use strict';
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -13732,7 +14091,7 @@ module.exports = function (_BaseFunctionNode) {
 
 	return CPUFunctionNode;
 }(BaseFunctionNode);
-},{"../../core/utils":83,"../function-node-base":58}],54:[function(require,module,exports){
+},{"../../core/utils":86,"../function-node-base":61}],57:[function(require,module,exports){
 'use strict';
 
 var utils = require('../../core/utils');
@@ -13752,7 +14111,7 @@ function removeNoise(str) {
 module.exports = function (cpuKernel, name) {
   return '() => {\n    ' + kernelRunShortcut.toString() + ';\n    const utils = {\n      allPropertiesOf: ' + removeNoise(utils.allPropertiesOf.toString()) + ',\n      clone: ' + removeNoise(utils.clone.toString()) + '\n    };\n    const Utils = utils;\n    class ' + (name || 'Kernel') + ' {\n      constructor() {        \n        this.argumentsLength = 0;\n        this._canvas = null;\n        this._webGl = null;\n        this.built = false;\n        this.program = null;\n        this.paramNames = ' + JSON.stringify(cpuKernel.paramNames) + ';\n        this.paramTypes = ' + JSON.stringify(cpuKernel.paramTypes) + ';\n        this.texSize = ' + JSON.stringify(cpuKernel.texSize) + ';\n        this.output = ' + JSON.stringify(cpuKernel.output) + ';\n        this._kernelString = `' + cpuKernel._kernelString + '`;\n        this.output = ' + JSON.stringify(cpuKernel.output) + ';\n\t\t    this.run = function() {\n          this.run = null;\n          this.build();\n          return this.run.apply(this, arguments);\n        }.bind(this);\n        this.thread = {\n          x: 0,\n          y: 0,\n          z: 0\n        };\n      }\n      setCanvas(canvas) { this._canvas = canvas; return this; }\n      setWebGl(webGl) { this._webGl = webGl; return this; }\n      ' + removeFnNoise(cpuKernel.build.toString()) + '\n      ' + removeFnNoise(cpuKernel.setupParams.toString()) + '\n      run () { ' + cpuKernel.kernelString + ' }\n      getKernelString() { return this._kernelString; }\n    };\n    return kernelRunShortcut(new Kernel());\n  };';
 };
-},{"../../core/utils":83,"../kernel-run-shortcut":60}],55:[function(require,module,exports){
+},{"../../core/utils":86,"../kernel-run-shortcut":63}],58:[function(require,module,exports){
 'use strict';
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -14102,7 +14461,7 @@ module.exports = function (_KernelBase) {
 
 	return CPUKernel;
 }(KernelBase);
-},{"../../core/utils":83,"../kernel-base":59,"./kernel-string":54}],56:[function(require,module,exports){
+},{"../../core/utils":86,"../kernel-base":62,"./kernel-string":57}],59:[function(require,module,exports){
 'use strict';
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -14163,7 +14522,7 @@ module.exports = function (_RunnerBase) {
 
 	return CPURunner;
 }(RunnerBase);
-},{"../../core/utils":83,"../runner-base":61,"./function-builder":52,"./kernel":55}],57:[function(require,module,exports){
+},{"../../core/utils":86,"../runner-base":64,"./function-builder":55,"./kernel":58}],60:[function(require,module,exports){
 'use strict';
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -14523,7 +14882,7 @@ module.exports = function () {
 
 	return FunctionBuilderBase;
 }();
-},{}],58:[function(require,module,exports){
+},{}],61:[function(require,module,exports){
 'use strict';
 
 var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
@@ -14939,7 +15298,7 @@ module.exports = function () {
 
 	return BaseFunctionNode;
 }();
-},{"../core/utils":83,"acorn":45}],59:[function(require,module,exports){
+},{"../core/utils":86,"acorn":48}],62:[function(require,module,exports){
 'use strict';
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -15382,7 +15741,7 @@ module.exports = function () {
 
 	return BaseKernel;
 }();
-},{"../core/utils":83}],60:[function(require,module,exports){
+},{"../core/utils":86}],63:[function(require,module,exports){
 'use strict';
 
 var utils = require('../core/utils');
@@ -15417,7 +15776,7 @@ module.exports = function kernelRunShortcut(kernel) {
 
 	return shortcut;
 };
-},{"../core/utils":83}],61:[function(require,module,exports){
+},{"../core/utils":86}],64:[function(require,module,exports){
 'use strict';
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -15561,7 +15920,7 @@ module.exports = function () {
 
 	return BaseRunner;
 }();
-},{"../core/utils":83,"./kernel-run-shortcut":60}],62:[function(require,module,exports){
+},{"../core/utils":86,"./kernel-run-shortcut":63}],65:[function(require,module,exports){
 'use strict';
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -15632,7 +15991,7 @@ module.exports = function (_FunctionBuilderBase) {
 function _round(a) {
 	return Math.floor(a + 0.5);
 }
-},{"../function-builder-base":57,"./function-node":63}],63:[function(require,module,exports){
+},{"../function-builder-base":60,"./function-node":66}],66:[function(require,module,exports){
 'use strict';
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -16861,7 +17220,7 @@ function ensureIndentifierType(paramName, expectedType, ast, funcParam) {
 function webGlRegexOptimize(inStr) {
 	return inStr.replace(DECODE32_ENCODE32, '((').replace(ENCODE32_DECODE32, '((');
 }
-},{"../../core/utils":83,"../function-node-base":58}],64:[function(require,module,exports){
+},{"../../core/utils":86,"../function-node-base":61}],67:[function(require,module,exports){
 'use strict';
 
 var utils = require('../../core/utils');
@@ -16881,7 +17240,7 @@ function removeNoise(str) {
 module.exports = function (gpuKernel, name) {
   return '() => {\n    ' + kernelRunShortcut.toString() + ';\n    const utils = {\n      allPropertiesOf: ' + removeNoise(utils.allPropertiesOf.toString()) + ',\n      clone: ' + removeNoise(utils.clone.toString()) + ',\n      splitArray: ' + removeNoise(utils.splitArray.toString()) + ',\n      getArgumentType: ' + removeNoise(utils.getArgumentType.toString()) + ',\n      getDimensions: ' + removeNoise(utils.getDimensions.toString()) + ',\n      dimToTexSize: ' + removeNoise(utils.dimToTexSize.toString()) + ',\n      flattenTo: ' + removeNoise(utils.flattenTo.toString()) + ',\n      flatten2dArrayTo: ' + removeNoise(utils.flatten2dArrayTo.toString()) + ',\n      flatten3dArrayTo: ' + removeNoise(utils.flatten3dArrayTo.toString()) + ',\n      systemEndianness: \'' + removeNoise(utils.systemEndianness()) + '\',\n      initWebGl: ' + removeNoise(utils.initWebGl.toString()) + ',\n      isArray: ' + removeNoise(utils.isArray.toString()) + '\n    };\n    const Utils = utils;\n    const canvases = [];\n    const maxTexSizes = {};\n    class ' + (name || 'Kernel') + ' {\n      constructor() {\n        this.maxTexSize = null;\n        this.argumentsLength = 0;\n        this._canvas = null;\n        this._webGl = null;\n        this.built = false;\n        this.program = null;\n        this.paramNames = ' + JSON.stringify(gpuKernel.paramNames) + ';\n        this.paramTypes = ' + JSON.stringify(gpuKernel.paramTypes) + ';\n        this.texSize = ' + JSON.stringify(gpuKernel.texSize) + ';\n        this.output = ' + JSON.stringify(gpuKernel.output) + ';\n        this.compiledFragShaderString = `' + gpuKernel.compiledFragShaderString + '`;\n\t\t    this.compiledVertShaderString = `' + gpuKernel.compiledVertShaderString + '`;\n\t\t    this.programUniformLocationCache = {};\n\t\t    this.textureCache = {};\n\t\t    this.subKernelOutputTextures = null;\n\t\t    this.subKernelOutputVariableNames = null;\n\t\t    this.uniform1fCache = {};\n\t\t    this.uniform1iCache = {};\n\t\t    this.uniform2fCache = {};\n\t\t    this.uniform2fvCache = {};\n\t\t    this.uniform3fvCache = {};\n      }\n      ' + removeFnNoise(gpuKernel._getFragShaderString.toString()) + '\n      ' + removeFnNoise(gpuKernel._getVertShaderString.toString()) + '\n      validateOptions() {}\n      setupParams() {}\n      setCanvas(canvas) { this._canvas = canvas; return this; }\n      setWebGl(webGl) { this._webGl = webGl; return this; }\n      ' + removeFnNoise(gpuKernel.getUniformLocation.toString()) + '\n      ' + removeFnNoise(gpuKernel.setupParams.toString()) + '\n      ' + removeFnNoise(gpuKernel.build.toString()) + '\n\t\t  ' + removeFnNoise(gpuKernel.run.toString()) + '\n\t\t  ' + removeFnNoise(gpuKernel._addArgument.toString()) + '\n\t\t  ' + removeFnNoise(gpuKernel.getArgumentTexture.toString()) + '\n\t\t  ' + removeFnNoise(gpuKernel.getTextureCache.toString()) + '\n\t\t  ' + removeFnNoise(gpuKernel.getOutputTexture.toString()) + '\n\t\t  ' + removeFnNoise(gpuKernel.renderOutput.toString()) + '\n\t\t  ' + removeFnNoise(gpuKernel.updateMaxTexSize.toString()) + '\n\t\t  ' + removeFnNoise(gpuKernel._setupOutputTexture.toString()) + '\n\t\t  ' + removeFnNoise(gpuKernel.detachTextureCache.toString()) + '\n\t\t  ' + removeFnNoise(gpuKernel.setUniform1f.toString()) + '\n\t\t  ' + removeFnNoise(gpuKernel.setUniform1i.toString()) + '\n\t\t  ' + removeFnNoise(gpuKernel.setUniform2f.toString()) + '\n\t\t  ' + removeFnNoise(gpuKernel.setUniform2fv.toString()) + '\n\t\t  ' + removeFnNoise(gpuKernel.setUniform3fv.toString()) + ' \n    };\n    return kernelRunShortcut(new Kernel());\n  };';
 };
-},{"../../core/utils":83,"../kernel-run-shortcut":60}],65:[function(require,module,exports){
+},{"../../core/utils":86,"../kernel-run-shortcut":63}],68:[function(require,module,exports){
 'use strict';
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -18189,7 +18548,7 @@ module.exports = function (_KernelBase) {
 
 	return WebGLKernel;
 }(KernelBase);
-},{"../../core/texture":81,"../../core/utils":83,"../kernel-base":59,"./kernel-string":64,"./shader-frag":67,"./shader-vert":68}],66:[function(require,module,exports){
+},{"../../core/texture":84,"../../core/utils":86,"../kernel-base":62,"./kernel-string":67,"./shader-frag":70,"./shader-vert":71}],69:[function(require,module,exports){
 'use strict';
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -18248,15 +18607,15 @@ module.exports = function (_RunnerBase) {
 
 	return WebGLRunner;
 }(RunnerBase);
-},{"../../core/utils":83,"../runner-base":61,"./function-builder":62,"./kernel":65}],67:[function(require,module,exports){
+},{"../../core/utils":86,"../runner-base":64,"./function-builder":65,"./kernel":68}],70:[function(require,module,exports){
 "use strict";
 
 module.exports = "__HEADER__;\nprecision highp float;\nprecision highp int;\nprecision highp sampler2D;\n\nconst float LOOP_MAX = __LOOP_MAX__;\n#define EPSILON 0.0000001;\n\n__CONSTANTS__;\n\nvarying highp vec2 vTexCoord;\n\nvec4 round(vec4 x) {\n  return floor(x + 0.5);\n}\n\nhighp float round(highp float x) {\n  return floor(x + 0.5);\n}\n\nvec2 integerMod(vec2 x, float y) {\n  vec2 res = floor(mod(x, y));\n  return res * step(1.0 - floor(y), -res);\n}\n\nvec3 integerMod(vec3 x, float y) {\n  vec3 res = floor(mod(x, y));\n  return res * step(1.0 - floor(y), -res);\n}\n\nvec4 integerMod(vec4 x, vec4 y) {\n  vec4 res = floor(mod(x, y));\n  return res * step(1.0 - floor(y), -res);\n}\n\nhighp float integerMod(highp float x, highp float y) {\n  highp float res = floor(mod(x, y));\n  return res * (res > floor(y) - 1.0 ? 0.0 : 1.0);\n}\n\nhighp int integerMod(highp int x, highp int y) {\n  return int(integerMod(float(x), float(y)));\n}\n\n// Here be dragons!\n// DO NOT OPTIMIZE THIS CODE\n// YOU WILL BREAK SOMETHING ON SOMEBODY'S MACHINE\n// LEAVE IT AS IT IS, LEST YOU WASTE YOUR OWN TIME\nconst vec2 MAGIC_VEC = vec2(1.0, -256.0);\nconst vec4 SCALE_FACTOR = vec4(1.0, 256.0, 65536.0, 0.0);\nconst vec4 SCALE_FACTOR_INV = vec4(1.0, 0.00390625, 0.0000152587890625, 0.0); // 1, 1/256, 1/65536\nhighp float decode32(highp vec4 rgba) {\n  __DECODE32_ENDIANNESS__;\n  rgba *= 255.0;\n  vec2 gte128;\n  gte128.x = rgba.b >= 128.0 ? 1.0 : 0.0;\n  gte128.y = rgba.a >= 128.0 ? 1.0 : 0.0;\n  float exponent = 2.0 * rgba.a - 127.0 + dot(gte128, MAGIC_VEC);\n  float res = exp2(round(exponent));\n  rgba.b = rgba.b - 128.0 * gte128.x;\n  res = dot(rgba, SCALE_FACTOR) * exp2(round(exponent-23.0)) + res;\n  res *= gte128.y * -2.0 + 1.0;\n  return res;\n}\n\nhighp vec4 encode32(highp float f) {\n  highp float F = abs(f);\n  highp float sign = f < 0.0 ? 1.0 : 0.0;\n  highp float exponent = floor(log2(F));\n  highp float mantissa = (exp2(-exponent) * F);\n  // exponent += floor(log2(mantissa));\n  vec4 rgba = vec4(F * exp2(23.0-exponent)) * SCALE_FACTOR_INV;\n  rgba.rg = integerMod(rgba.rg, 256.0);\n  rgba.b = integerMod(rgba.b, 128.0);\n  rgba.a = exponent*0.5 + 63.5;\n  rgba.ba += vec2(integerMod(exponent+127.0, 2.0), sign) * 128.0;\n  rgba = floor(rgba);\n  rgba *= 0.003921569; // 1/255\n  __ENCODE32_ENDIANNESS__;\n  return rgba;\n}\n// Dragons end here\n\nhighp float index;\nhighp vec3 threadId;\n\nhighp vec3 indexTo3D(highp float idx, highp vec3 texDim) {\n  highp float z = floor(idx / (texDim.x * texDim.y));\n  idx -= z * texDim.x * texDim.y;\n  highp float y = floor(idx / texDim.x);\n  highp float x = integerMod(idx, texDim.x);\n  return vec3(x, y, z);\n}\n\nhighp float get(highp sampler2D tex, highp vec2 texSize, highp vec3 texDim, highp float z, highp float y, highp float x) {\n  highp vec3 xyz = vec3(x, y, z);\n  xyz = floor(xyz + 0.5);\n  __GET_WRAPAROUND__;\n  highp float index = round(xyz.x + texDim.x * (xyz.y + texDim.y * xyz.z));\n  __GET_TEXTURE_CHANNEL__;\n  highp float w = round(texSize.x);\n  vec2 st = vec2(integerMod(index, w), float(int(index) / int(w))) + 0.5;\n  __GET_TEXTURE_INDEX__;\n  highp vec4 texel = texture2D(tex, st / texSize);\n  __GET_RESULT__;\n}\n\nhighp float get(highp sampler2D tex, highp vec2 texSize, highp vec3 texDim, highp float y, highp float x) {\n  return get(tex, texSize, texDim, 0.0, y, x);\n}\n\nhighp float get(highp sampler2D tex, highp vec2 texSize, highp vec3 texDim, highp float x) {\n  return get(tex, texSize, texDim, 0.0, 0.0, x);\n}\n\nhighp vec4 actualColor;\nvoid color(float r, float g, float b, float a) {\n  actualColor = vec4(r,g,b,a);\n}\n\nvoid color(float r, float g, float b) {\n  color(r,g,b,1.0);\n}\n\n__MAIN_PARAMS__;\n__MAIN_CONSTANTS__;\n__KERNEL__;\n\nvoid main(void) {\n  index = floor(vTexCoord.s * float(uTexSize.x)) + floor(vTexCoord.t * float(uTexSize.y)) * uTexSize.x;\n  __MAIN_RESULT__;\n}";
-},{}],68:[function(require,module,exports){
+},{}],71:[function(require,module,exports){
 "use strict";
 
 module.exports = "precision highp float;\nprecision highp int;\nprecision highp sampler2D;\n\nattribute highp vec2 aPos;\nattribute highp vec2 aTexCoord;\n\nvarying highp vec2 vTexCoord;\nuniform vec2 ratio;\n\nvoid main(void) {\n  gl_Position = vec4((aPos + vec2(1)) * ratio + vec2(-1), 0, 1);\n  vTexCoord = aTexCoord;\n}";
-},{}],69:[function(require,module,exports){
+},{}],72:[function(require,module,exports){
 'use strict';
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -18305,7 +18664,7 @@ module.exports = function (_WebGLKernel) {
 
 	return WebGLValidatorKernel;
 }(WebGLKernel);
-},{"../../core/utils":83,"./kernel":65}],70:[function(require,module,exports){
+},{"../../core/utils":86,"./kernel":68}],73:[function(require,module,exports){
 'use strict';
 
 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
@@ -18339,9 +18698,9 @@ module.exports = function (_FunctionBuilderBase) {
 
   return WebGL2FunctionBuilder;
 }(FunctionBuilderBase);
-},{"../function-builder-base":57,"./function-node":71}],71:[function(require,module,exports){
-arguments[4][63][0].apply(exports,arguments)
-},{"../../core/utils":83,"../function-node-base":58,"dup":63}],72:[function(require,module,exports){
+},{"../function-builder-base":60,"./function-node":74}],74:[function(require,module,exports){
+arguments[4][66][0].apply(exports,arguments)
+},{"../../core/utils":86,"../function-node-base":61,"dup":66}],75:[function(require,module,exports){
 'use strict';
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -18950,7 +19309,7 @@ module.exports = function (_WebGLKernel) {
 
 	return WebGL2Kernel;
 }(WebGLKernel);
-},{"../../core/texture":81,"../../core/utils":83,"../web-gl/kernel":65,"./shader-frag":74,"./shader-vert":75}],73:[function(require,module,exports){
+},{"../../core/texture":84,"../../core/utils":86,"../web-gl/kernel":68,"./shader-frag":77,"./shader-vert":78}],76:[function(require,module,exports){
 'use strict';
 
 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
@@ -18987,15 +19346,15 @@ module.exports = function (_WebGLRunner) {
 
 	return WebGL2Runner;
 }(WebGLRunner);
-},{"../web-gl/runner":66,"./function-builder":70,"./kernel":72}],74:[function(require,module,exports){
+},{"../web-gl/runner":69,"./function-builder":73,"./kernel":75}],77:[function(require,module,exports){
 "use strict";
 
 module.exports = "#version 300 es\n__HEADER__;\nprecision highp float;\nprecision highp int;\nprecision highp sampler2D;\n\nconst float LOOP_MAX = __LOOP_MAX__;\n#define EPSILON 0.0000001;\n\n__CONSTANTS__;\n\nin highp vec2 vTexCoord;\n\nvec2 integerMod(vec2 x, float y) {\n  vec2 res = floor(mod(x, y));\n  return res * step(1.0 - floor(y), -res);\n}\n\nvec3 integerMod(vec3 x, float y) {\n  vec3 res = floor(mod(x, y));\n  return res * step(1.0 - floor(y), -res);\n}\n\nvec4 integerMod(vec4 x, vec4 y) {\n  vec4 res = floor(mod(x, y));\n  return res * step(1.0 - floor(y), -res);\n}\n\nhighp float integerMod(highp float x, highp float y) {\n  highp float res = floor(mod(x, y));\n  return res * (res > floor(y) - 1.0 ? 0.0 : 1.0);\n}\n\nhighp int integerMod(highp int x, highp int y) {\n  return int(integerMod(float(x), float(y)));\n}\n\n// Here be dragons!\n// DO NOT OPTIMIZE THIS CODE\n// YOU WILL BREAK SOMETHING ON SOMEBODY'S MACHINE\n// LEAVE IT AS IT IS, LEST YOU WASTE YOUR OWN TIME\nconst vec2 MAGIC_VEC = vec2(1.0, -256.0);\nconst vec4 SCALE_FACTOR = vec4(1.0, 256.0, 65536.0, 0.0);\nconst vec4 SCALE_FACTOR_INV = vec4(1.0, 0.00390625, 0.0000152587890625, 0.0); // 1, 1/256, 1/65536\nhighp float decode32(highp vec4 rgba) {\n  __DECODE32_ENDIANNESS__;\n  rgba *= 255.0;\n  vec2 gte128;\n  gte128.x = rgba.b >= 128.0 ? 1.0 : 0.0;\n  gte128.y = rgba.a >= 128.0 ? 1.0 : 0.0;\n  float exponent = 2.0 * rgba.a - 127.0 + dot(gte128, MAGIC_VEC);\n  float res = exp2(round(exponent));\n  rgba.b = rgba.b - 128.0 * gte128.x;\n  res = dot(rgba, SCALE_FACTOR) * exp2(round(exponent-23.0)) + res;\n  res *= gte128.y * -2.0 + 1.0;\n  return res;\n}\n\nhighp vec4 encode32(highp float f) {\n  highp float F = abs(f);\n  highp float sign = f < 0.0 ? 1.0 : 0.0;\n  highp float exponent = floor(log2(F));\n  highp float mantissa = (exp2(-exponent) * F);\n  // exponent += floor(log2(mantissa));\n  vec4 rgba = vec4(F * exp2(23.0-exponent)) * SCALE_FACTOR_INV;\n  rgba.rg = integerMod(rgba.rg, 256.0);\n  rgba.b = integerMod(rgba.b, 128.0);\n  rgba.a = exponent*0.5 + 63.5;\n  rgba.ba += vec2(integerMod(exponent+127.0, 2.0), sign) * 128.0;\n  rgba = floor(rgba);\n  rgba *= 0.003921569; // 1/255\n  __ENCODE32_ENDIANNESS__;\n  return rgba;\n}\n// Dragons end here\n\nhighp float index;\nhighp vec3 threadId;\n\nhighp vec3 indexTo3D(highp float idx, highp vec3 texDim) {\n  highp float z = floor(idx / (texDim.x * texDim.y));\n  idx -= z * texDim.x * texDim.y;\n  highp float y = floor(idx / texDim.x);\n  highp float x = integerMod(idx, texDim.x);\n  return vec3(x, y, z);\n}\n\nhighp float get(highp sampler2D tex, highp vec2 texSize, highp vec3 texDim, highp float z, highp float y, highp float x) {\n  highp vec3 xyz = vec3(x, y, z);\n  xyz = floor(xyz + 0.5);\n  __GET_WRAPAROUND__;\n  highp float index = round(xyz.x + texDim.x * (xyz.y + texDim.y * xyz.z));\n  __GET_TEXTURE_CHANNEL__;\n  highp float w = round(texSize.x);\n  vec2 st = vec2(integerMod(index, w), float(int(index) / int(w))) + 0.5;\n  __GET_TEXTURE_INDEX__;\n  highp vec4 texel = texture(tex, st / texSize);\n  __GET_RESULT__;\n}\n\nhighp float get(highp sampler2D tex, highp vec2 texSize, highp vec3 texDim, highp float y, highp float x) {\n  return get(tex, texSize, texDim, 0.0, y, x);\n}\n\nhighp float get(highp sampler2D tex, highp vec2 texSize, highp vec3 texDim, highp float x) {\n  return get(tex, texSize, texDim, 0.0, 0.0, x);\n}\n\nhighp vec4 actualColor;\nvoid color(float r, float g, float b, float a) {\n  actualColor = vec4(r,g,b,a);\n}\n\nvoid color(float r, float g, float b) {\n  color(r,g,b,1.0);\n}\n\n__MAIN_PARAMS__;\n__MAIN_CONSTANTS__;\n__KERNEL__;\n\nvoid main(void) {\n  index = floor(vTexCoord.s * float(uTexSize.x)) + floor(vTexCoord.t * float(uTexSize.y)) * uTexSize.x;\n  __MAIN_RESULT__;\n}";
-},{}],75:[function(require,module,exports){
+},{}],78:[function(require,module,exports){
 "use strict";
 
 module.exports = "#version 300 es\nprecision highp float;\nprecision highp int;\nprecision highp sampler2D;\n\nin highp vec2 aPos;\nin highp vec2 aTexCoord;\n\nout highp vec2 vTexCoord;\nuniform vec2 ratio;\n\nvoid main(void) {\n  gl_Position = vec4((aPos + vec2(1)) * ratio + vec2(-1), 0, 1);\n  vTexCoord = aTexCoord;\n}";
-},{}],76:[function(require,module,exports){
+},{}],79:[function(require,module,exports){
 'use strict';
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -19045,7 +19404,7 @@ module.exports = function (_WebGLKernel) {
 
 	return WebGL2ValidatorKernel;
 }(WebGLKernel);
-},{"../../core/utils":83,"./kernel":72}],77:[function(require,module,exports){
+},{"../../core/utils":86,"./kernel":75}],80:[function(require,module,exports){
 'use strict';
 
 var utils = require('./utils');
@@ -19053,7 +19412,7 @@ module.exports = function alias(name, fn) {
 	var fnString = fn.toString();
 	return new Function('return function ' + name + ' (' + utils.getParamNamesFromString(fnString).join(', ') + ') {' + utils.getFunctionBodyFromString(fnString) + '}')();
 };
-},{"./utils":83}],78:[function(require,module,exports){
+},{"./utils":86}],81:[function(require,module,exports){
 'use strict';
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -19159,7 +19518,7 @@ module.exports = function () {
 
 	return GPUCore;
 }();
-},{"./utils-core":82}],79:[function(require,module,exports){
+},{"./utils-core":85}],82:[function(require,module,exports){
 'use strict';
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -19577,7 +19936,7 @@ var GPU = function (_GPUCore) {
 Object.assign(GPU, GPUCore);
 
 module.exports = GPU;
-},{"../backend/cpu/runner":56,"../backend/web-gl/runner":66,"../backend/web-gl/validator-kernel":69,"../backend/web-gl2/runner":73,"../backend/web-gl2/validator-kernel":76,"./gpu-core":78,"./utils":83}],80:[function(require,module,exports){
+},{"../backend/cpu/runner":59,"../backend/web-gl/runner":69,"../backend/web-gl/validator-kernel":72,"../backend/web-gl2/runner":76,"../backend/web-gl2/validator-kernel":79,"./gpu-core":81,"./utils":86}],83:[function(require,module,exports){
 "use strict";
 
 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
@@ -19604,7 +19963,7 @@ module.exports = function Input(value, size) {
 		}
 	}
 };
-},{}],81:[function(require,module,exports){
+},{}],84:[function(require,module,exports){
 'use strict';
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -19678,7 +20037,7 @@ module.exports = function () {
 
 	return Texture;
 }();
-},{}],82:[function(require,module,exports){
+},{}],85:[function(require,module,exports){
 'use strict';
 
 /**
@@ -19961,7 +20320,7 @@ if (_isWebGlSupported) {
 }
 
 module.exports = UtilsCore;
-},{}],83:[function(require,module,exports){
+},{}],86:[function(require,module,exports){
 'use strict';
 
 /**
@@ -20604,7 +20963,7 @@ var Utils = function (_UtilsCore) {
 Object.assign(Utils, UtilsCore);
 
 module.exports = Utils;
-},{"../index":84,"./input":80,"./texture":81,"./utils-core":82}],84:[function(require,module,exports){
+},{"../index":87,"./input":83,"./texture":84,"./utils-core":85}],87:[function(require,module,exports){
 'use strict';
 
 var GPU = require('./core/gpu');
@@ -20657,7 +21016,7 @@ if (typeof module !== 'undefined') {
 if (typeof window !== 'undefined') {
 	window.GPU = GPU;
 }
-},{"./backend/cpu/function-builder":52,"./backend/cpu/function-node":53,"./backend/cpu/kernel":55,"./backend/cpu/runner":56,"./backend/web-gl/function-builder":62,"./backend/web-gl/function-node":63,"./backend/web-gl/kernel":65,"./backend/web-gl/runner":66,"./backend/web-gl2/function-builder":70,"./backend/web-gl2/function-node":71,"./backend/web-gl2/kernel":72,"./backend/web-gl2/runner":73,"./core/alias":77,"./core/gpu":79,"./core/input":80,"./core/texture":81,"./core/utils":83}],85:[function(require,module,exports){
+},{"./backend/cpu/function-builder":55,"./backend/cpu/function-node":56,"./backend/cpu/kernel":58,"./backend/cpu/runner":59,"./backend/web-gl/function-builder":65,"./backend/web-gl/function-node":66,"./backend/web-gl/kernel":68,"./backend/web-gl/runner":69,"./backend/web-gl2/function-builder":73,"./backend/web-gl2/function-node":74,"./backend/web-gl2/kernel":75,"./backend/web-gl2/runner":76,"./core/alias":80,"./core/gpu":82,"./core/input":83,"./core/texture":84,"./core/utils":86}],88:[function(require,module,exports){
 exports.read = function (buffer, offset, isLE, mLen, nBytes) {
   var e, m
   var eLen = nBytes * 8 - mLen - 1
@@ -20743,7 +21102,7 @@ exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
   buffer[offset + i - d] |= s * 128
 }
 
-},{}],86:[function(require,module,exports){
+},{}],89:[function(require,module,exports){
 if (typeof Object.create === 'function') {
   // implementation from standard node.js 'util' module
   module.exports = function inherits(ctor, superCtor) {
@@ -20768,7 +21127,7 @@ if (typeof Object.create === 'function') {
   }
 }
 
-},{}],87:[function(require,module,exports){
+},{}],90:[function(require,module,exports){
 /*!
  * Determine if an object is a Buffer
  *
@@ -20791,7 +21150,7 @@ function isSlowBuffer (obj) {
   return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isBuffer(obj.slice(0, 0))
 }
 
-},{}],88:[function(require,module,exports){
+},{}],91:[function(require,module,exports){
 (function (process){
 'use strict';
 
@@ -20839,7 +21198,7 @@ function nextTick(fn, arg1, arg2, arg3) {
 
 
 }).call(this,require('_process'))
-},{"_process":89}],89:[function(require,module,exports){
+},{"_process":92}],92:[function(require,module,exports){
 // shim for using process in browser
 var process = module.exports = {};
 
@@ -21025,10 +21384,10 @@ process.chdir = function (dir) {
 };
 process.umask = function() { return 0; };
 
-},{}],90:[function(require,module,exports){
+},{}],93:[function(require,module,exports){
 module.exports = require('./lib/_stream_duplex.js');
 
-},{"./lib/_stream_duplex.js":91}],91:[function(require,module,exports){
+},{"./lib/_stream_duplex.js":94}],94:[function(require,module,exports){
 // Copyright Joyent, Inc. and other Node contributors.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a
@@ -21153,7 +21512,7 @@ function forEach(xs, f) {
     f(xs[i], i);
   }
 }
-},{"./_stream_readable":93,"./_stream_writable":95,"core-util-is":50,"inherits":86,"process-nextick-args":88}],92:[function(require,module,exports){
+},{"./_stream_readable":96,"./_stream_writable":98,"core-util-is":53,"inherits":89,"process-nextick-args":91}],95:[function(require,module,exports){
 // Copyright Joyent, Inc. and other Node contributors.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a
@@ -21201,7 +21560,7 @@ function PassThrough(options) {
 PassThrough.prototype._transform = function (chunk, encoding, cb) {
   cb(null, chunk);
 };
-},{"./_stream_transform":94,"core-util-is":50,"inherits":86}],93:[function(require,module,exports){
+},{"./_stream_transform":97,"core-util-is":53,"inherits":89}],96:[function(require,module,exports){
 (function (process,global){
 // Copyright Joyent, Inc. and other Node contributors.
 //
@@ -22219,7 +22578,7 @@ function indexOf(xs, x) {
   return -1;
 }
 }).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./_stream_duplex":91,"./internal/streams/BufferList":96,"./internal/streams/destroy":97,"./internal/streams/stream":98,"_process":89,"core-util-is":50,"events":51,"inherits":86,"isarray":99,"process-nextick-args":88,"safe-buffer":105,"string_decoder/":100,"util":47}],94:[function(require,module,exports){
+},{"./_stream_duplex":94,"./internal/streams/BufferList":99,"./internal/streams/destroy":100,"./internal/streams/stream":101,"_process":92,"core-util-is":53,"events":54,"inherits":89,"isarray":102,"process-nextick-args":91,"safe-buffer":108,"string_decoder/":103,"util":50}],97:[function(require,module,exports){
 // Copyright Joyent, Inc. and other Node contributors.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a
@@ -22434,7 +22793,7 @@ function done(stream, er, data) {
 
   return stream.push(null);
 }
-},{"./_stream_duplex":91,"core-util-is":50,"inherits":86}],95:[function(require,module,exports){
+},{"./_stream_duplex":94,"core-util-is":53,"inherits":89}],98:[function(require,module,exports){
 (function (process,global){
 // Copyright Joyent, Inc. and other Node contributors.
 //
@@ -23114,7 +23473,7 @@ Writable.prototype._destroy = function (err, cb) {
   cb(err);
 };
 }).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./_stream_duplex":91,"./internal/streams/destroy":97,"./internal/streams/stream":98,"_process":89,"core-util-is":50,"inherits":86,"process-nextick-args":88,"safe-buffer":105,"util-deprecate":110}],96:[function(require,module,exports){
+},{"./_stream_duplex":94,"./internal/streams/destroy":100,"./internal/streams/stream":101,"_process":92,"core-util-is":53,"inherits":89,"process-nextick-args":91,"safe-buffer":108,"util-deprecate":113}],99:[function(require,module,exports){
 'use strict';
 
 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
@@ -23194,7 +23553,7 @@ if (util && util.inspect && util.inspect.custom) {
     return this.constructor.name + ' ' + obj;
   };
 }
-},{"safe-buffer":105,"util":47}],97:[function(require,module,exports){
+},{"safe-buffer":108,"util":50}],100:[function(require,module,exports){
 'use strict';
 
 /*<replacement>*/
@@ -23269,12 +23628,12 @@ module.exports = {
   destroy: destroy,
   undestroy: undestroy
 };
-},{"process-nextick-args":88}],98:[function(require,module,exports){
+},{"process-nextick-args":91}],101:[function(require,module,exports){
 module.exports = require('events').EventEmitter;
 
-},{"events":51}],99:[function(require,module,exports){
-arguments[4][49][0].apply(exports,arguments)
-},{"dup":49}],100:[function(require,module,exports){
+},{"events":54}],102:[function(require,module,exports){
+arguments[4][52][0].apply(exports,arguments)
+},{"dup":52}],103:[function(require,module,exports){
 'use strict';
 
 var Buffer = require('safe-buffer').Buffer;
@@ -23547,10 +23906,10 @@ function simpleWrite(buf) {
 function simpleEnd(buf) {
   return buf && buf.length ? this.write(buf) : '';
 }
-},{"safe-buffer":105}],101:[function(require,module,exports){
+},{"safe-buffer":108}],104:[function(require,module,exports){
 module.exports = require('./readable').PassThrough
 
-},{"./readable":102}],102:[function(require,module,exports){
+},{"./readable":105}],105:[function(require,module,exports){
 exports = module.exports = require('./lib/_stream_readable.js');
 exports.Stream = exports;
 exports.Readable = exports;
@@ -23559,13 +23918,13 @@ exports.Duplex = require('./lib/_stream_duplex.js');
 exports.Transform = require('./lib/_stream_transform.js');
 exports.PassThrough = require('./lib/_stream_passthrough.js');
 
-},{"./lib/_stream_duplex.js":91,"./lib/_stream_passthrough.js":92,"./lib/_stream_readable.js":93,"./lib/_stream_transform.js":94,"./lib/_stream_writable.js":95}],103:[function(require,module,exports){
+},{"./lib/_stream_duplex.js":94,"./lib/_stream_passthrough.js":95,"./lib/_stream_readable.js":96,"./lib/_stream_transform.js":97,"./lib/_stream_writable.js":98}],106:[function(require,module,exports){
 module.exports = require('./readable').Transform
 
-},{"./readable":102}],104:[function(require,module,exports){
+},{"./readable":105}],107:[function(require,module,exports){
 module.exports = require('./lib/_stream_writable.js');
 
-},{"./lib/_stream_writable.js":95}],105:[function(require,module,exports){
+},{"./lib/_stream_writable.js":98}],108:[function(require,module,exports){
 /* eslint-disable node/no-deprecated-api */
 var buffer = require('buffer')
 var Buffer = buffer.Buffer
@@ -23629,7 +23988,7 @@ SafeBuffer.allocUnsafeSlow = function (size) {
   return buffer.SlowBuffer(size)
 }
 
-},{"buffer":48}],106:[function(require,module,exports){
+},{"buffer":51}],109:[function(require,module,exports){
 // Copyright Joyent, Inc. and other Node contributors.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a
@@ -23758,7 +24117,7 @@ Stream.prototype.pipe = function(dest, options) {
   return dest;
 };
 
-},{"events":51,"inherits":86,"readable-stream/duplex.js":90,"readable-stream/passthrough.js":101,"readable-stream/readable.js":102,"readable-stream/transform.js":103,"readable-stream/writable.js":104}],107:[function(require,module,exports){
+},{"events":54,"inherits":89,"readable-stream/duplex.js":93,"readable-stream/passthrough.js":104,"readable-stream/readable.js":105,"readable-stream/transform.js":106,"readable-stream/writable.js":107}],110:[function(require,module,exports){
 'use strict';
 
 Object.defineProperty(exports, "__esModule", {
@@ -23898,7 +24257,7 @@ var Block = function () {
 exports.default = Block;
 ;
 
-},{"./":108}],108:[function(require,module,exports){
+},{"./":111}],111:[function(require,module,exports){
 'use strict';
 
 Object.defineProperty(exports, "__esModule", {
@@ -23925,7 +24284,7 @@ if (typeof window !== 'undefined') {
   window.Thaw.Block = _block2.default;
 }
 
-},{"./block":107,"./thaw":109}],109:[function(require,module,exports){
+},{"./block":110,"./thaw":112}],112:[function(require,module,exports){
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
@@ -24170,7 +24529,7 @@ function thaw(items) {
   return new Thaw(items, options);
 }
 
-},{}],110:[function(require,module,exports){
+},{}],113:[function(require,module,exports){
 (function (global){
 
 /**
@@ -24241,5 +24600,5 @@ function config (name) {
 }
 
 }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{}]},{},[44])(44)
+},{}]},{},[47])(47)
 });
\ No newline at end of file
diff --git a/browser.min.js b/browser.min.js
index 6f0aa735e..f2b4383c3 100644
--- a/browser.min.js
+++ b/browser.min.js
@@ -115,323 +115,332 @@
 },{}],4:[function(require,module,exports){
 "use strict";function _interopRequireDefault(t){return t&&t.__esModule?t:{default:t}}function _classCallCheck(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function _inherits(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}function weightedSumSigmoid(t,e,a){for(var s=e[this.thread.x],i=0;i<this.constants.size;i++)s+=t[this.thread.x][i]*a[i];return 1/(1+Math.exp(-s))}function weightedSumRelu(t,e,a){for(var s=e[this.thread.x],i=0;i<this.constants.size;i++)s+=t[this.thread.x][i]*a[i];return s<0?0:s}function weightedSumLeakyRelu(t,e,a){for(var s=e[this.thread.x],i=0;i<this.constants.size;i++)s+=t[this.thread.x][i]*a[i];return s<0?0:.01*s}function weightedSumTanh(t,e,a){for(var s=e[this.thread.x],i=0;i<this.constants.size;i++)s+=t[this.thread.x][i]*a[i];return Math.tanh(s)}function calcErrorOutput(t,e){return e[this.thread.x]-t}function calcDeltasSigmoid(t,e){return t*e*(1-e)}function calcDeltasRelu(t,e){return e>0?t:0}function calcDeltasLeakyRelu(t,e){return e>0?t:.01*t}function calcDeltasTanh(t,e){return(1-e*e)*t}function calcError(t,e){for(var a=0,s=0;s<this.constants.size;s++)a+=e[s]*t[s][this.thread.x];return a}function calcChanges(t,e,a){return this.constants.learningRate*e[this.thread.y]*a[this.thread.x]+this.constants.momentum*t[this.thread.y][this.thread.x]}function addWeights(t,e){return t+e[this.thread.y][this.thread.x]}function addBiases(t,e){return t[this.thread.x]+e[this.thread.x]*this.constants.learningRate}function mse(t){for(var e=0,a=0;a<this.constants.size;a++)e+=Math.pow(t[a],2);return e/this.constants.size}Object.defineProperty(exports,"__esModule",{value:!0});var _createClass=function(){function t(t,e){for(var a=0;a<e.length;a++){var s=e[a];s.enumerable=s.enumerable||!1,s.configurable=!0,"value"in s&&(s.writable=!0),Object.defineProperty(t,s.key,s)}}return function(e,a,s){return a&&t(e.prototype,a),s&&t(e,s),e}}(),_get=function t(e,a,s){null===e&&(e=Function.prototype);var i=Object.getOwnPropertyDescriptor(e,a);if(void 0===i){var r=Object.getPrototypeOf(e);return null===r?void 0:t(r,a,s)}if("value"in i)return i.value;var u=i.get;if(void 0!==u)return u.call(s)},_neuralNetwork=require("./neural-network"),_neuralNetwork2=_interopRequireDefault(_neuralNetwork),_lookup=require("./lookup"),_lookup2=_interopRequireDefault(_lookup),_gpu=require("gpu.js"),_gpu2=_interopRequireDefault(_gpu),NeuralNetworkGPU=function(t){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};_classCallCheck(this,e);var a=_possibleConstructorReturn(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t));return a.forwardPropagate=[],a.backwardPropagate=[],a.changesPropagate=[],a.biasesPropagate=[],a.biasCopies=[],a.copyBias=[],a.changesCopies=[],a.copyChanges=[],a.weightsCopies=[],a.copyWeights=[],a.errorCheckInterval=100,a.gpu=new _gpu2.default({mode:t.mode}),a}return _inherits(e,t),_createClass(e,[{key:"_initialize",value:function(){_get(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"_initialize",this).call(this),this.buildRunInput(),this.buildCalculateDeltas(),this.buildGetChanges(),this.buildChangeBiases(),this.buildGetMSE()}},{key:"setActivation",value:function(){}},{key:"_trainPattern",value:function(t,e,a){return this.runInput(t),this.calculateDeltas(e),this.getChanges(),this.changeBiases(),a?this.getMSE(this.errors[this.outputLayer])[0]:null}},{key:"buildRunInput",value:function(){var t=null;switch(this.activation){case"sigmoid":t=weightedSumSigmoid;break;case"relu":t=weightedSumRelu;break;case"leaky-relu":t=weightedSumLeakyRelu;break;case"tanh":t=weightedSumTanh;break;default:throw new Error("unknown activation "+this.activation)}for(var e=1;e<=this.outputLayer;e++)this.forwardPropagate[e]=this.gpu.createKernel(t,{output:[this.sizes[e]],outputToTexture:!0,hardcodeConstants:!0,constants:{size:this.sizes[e-1]}});this._texturizeInputData=this.gpu.createKernel(function(t){return t[this.thread.x]},{output:[this.sizes[1]],outputToTexture:!0,hardcodeConstants:!0,outputImmutable:!0})}},{key:"runInput",value:function(t){var e=void 0;this.outputs[0]=t;for(var a=1;a<=this.outputLayer;a++)this.outputs[a]=this.forwardPropagate[a](this.weights[a],this.biases[a],t),e=t=this.outputs[a];return e}},{key:"buildCalculateDeltas",value:function(){var t=null;switch(this.activation){case"sigmoid":t=calcDeltasSigmoid;break;case"relu":t=calcDeltasRelu;break;case"leaky-relu":t=calcDeltasLeakyRelu;break;case"tanh":t=calcDeltasTanh;break;default:throw new Error("unknown activation "+this.activation)}for(var e=this.outputLayer;e>0;e--)e===this.outputLayer?this.backwardPropagate[e]=this.gpu.createKernelMap({error:_gpu2.default.alias("calcErrorOutput",calcErrorOutput),deltas:_gpu2.default.alias("calcDeltas",t)},function(e,a){var s=e[this.thread.x];return t(calcErrorOutput(s,a),s)},{output:[this.sizes[e]],outputToTexture:!0,hardcodeConstants:!0}):this.backwardPropagate[e]=this.gpu.createKernelMap({error:_gpu2.default.alias("calcError",calcError),deltas:_gpu2.default.alias("calcDeltas",t)},function(e,a,s){var i=a[this.thread.x];return t(calcError(e,s),i)},{output:[this.sizes[e]],outputToTexture:!0,hardcodeConstants:!0,constants:{size:this.deltas[e+1].length}})}},{key:"calculateDeltas",value:function(t){for(var e=this.outputLayer;e>0;e--){var a=void 0;a=e===this.outputLayer?this.backwardPropagate[e](this.outputs[e],t):this.backwardPropagate[e](this.weights[e+1],this.outputs[e],this.deltas[e+1]),this.deltas[e]=a.deltas,this.errors[e]=a.error}}},{key:"buildGetChanges",value:function(){for(var t=1;t<=this.outputLayer;t++)this.changesPropagate[t]=this.gpu.createKernelMap({weights:_gpu2.default.alias("addWeights",addWeights),changes:_gpu2.default.alias("calcChanges",calcChanges)},function(t,e,a,s){return addWeights(calcChanges(s,e,t),a)},{output:[this.sizes[t-1],this.sizes[t]],outputToTexture:!0,hardcodeConstants:!0,constants:{size:this.outputs[t-1].length,learningRate:this.trainOpts.learningRate,momentum:this.trainOpts.momentum}}),this.copyChanges[t]=this.gpu.createKernel(function(t){return t[this.thread.y][this.thread.x]},{output:this.changesPropagate[t].output,outputToTexture:!0,hardCodeConstants:!0}),this.copyWeights[t]=this.gpu.createKernel(function(t){return t[this.thread.y][this.thread.x]},{output:this.changesPropagate[t].output,outputToTexture:!0,hardCodeConstants:!0})}},{key:"getChanges",value:function(){for(var t=1;t<=this.outputLayer;t++){var e=this.changesPropagate[t](this.outputs[t-1],this.deltas[t],this.weightsCopies[t]||this.weights[t],this.changesCopies[t]||this.changes[t]);this.changes[t]=e.changes,this.weights[t]=e.weights,this.changesCopies[t]=this.copyChanges[t](e.changes),this.weightsCopies[t]=this.copyWeights[t](e.weights)}}},{key:"buildChangeBiases",value:function(){for(var t=1;t<=this.outputLayer;t++)this.biasesPropagate[t]=this.gpu.createKernel(addBiases,{output:[this.sizes[t]],outputToTexture:!0,hardcodeConstants:!0,constants:{learningRate:this.trainOpts.learningRate}}),this.copyBias[t]=this.gpu.createKernel(function(t){return t[this.thread.x]},{output:this.biasesPropagate[t].output,outputToTexture:!0,hardCodeConstants:!0})}},{key:"changeBiases",value:function(){for(var t=1;t<=this.outputLayer;t++)this.biases[t]=this.biasesPropagate[t](this.biasCopies[t]||this.biases[t],this.deltas[t]),this.biasCopies[t]=this.copyBias[t](this.biases[t])}},{key:"buildGetMSE",value:function(){this.getMSE=this.gpu.createKernel(mse,{output:[1],hardcodeConstants:!0,constants:{size:this.sizes[this.outputLayer]}})}},{key:"run",value:function(t){if(!this.isRunnable)return null;this.inputLookup&&(t=_lookup2.default.toArray(this.inputLookup,t));var e=this._texturizeInputData(t),a=this.runInput(e),s=a.toArray(this.gpu);return this.outputLookup&&(s=_lookup2.default.toHash(this.outputLookup,s)),s}},{key:"_verifyIsInitialized",value:function(t){var e=this;this.sizes||(this.sizes=[],t[0].size||(t[0].size={input:t[0].input.length,output:t[0].output.length}),this.sizes.push(t[0].size.input),this.hiddenSizes?this.hiddenSizes.forEach(function(t){e.sizes.push(t)}):this.sizes.push(Math.max(3,Math.floor(t[0].size.input/2))),this.sizes.push(t[0].size.output),this._initialize())}},{key:"_prepTraining",value:function(t,e){var a=this;this._updateTrainingOptions(e),t=this._formatData(t);var s=Date.now()+this.trainOpts.timeout,i={error:1,iterations:0};this._verifyIsInitialized(t);var r=this.gpu.createKernel(function(t){return t[this.thread.x]},{output:[t[0].output.length],outputToTexture:!0,hardcodeConstants:!0,outputImmutable:!0});return{data:t.map(function(t){return{size:t.size,input:a._texturizeInputData(t.input),output:r(t.output)}}),status:i,endTime:s}}},{key:"toFunction",value:function(){throw new Error("not implemented on NeuralNetworkGPU")}}]),e}(_neuralNetwork2.default);exports.default=NeuralNetworkGPU;
 
-},{"./lookup":3,"./neural-network":5,"gpu.js":84}],5:[function(require,module,exports){
+},{"./lookup":3,"./neural-network":5,"gpu.js":87}],5:[function(require,module,exports){
 "use strict";function _interopRequireDefault(t){return t&&t.__esModule?t:{default:t}}function _toConsumableArray(t){if(Array.isArray(t)){for(var i=0,e=Array(t.length);i<t.length;i++)e[i]=t[i];return e}return Array.from(t)}function _classCallCheck(t,i){if(!(t instanceof i))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(exports,"__esModule",{value:!0});var _createClass=function(){function t(t,i){for(var e=0;e<i.length;e++){var r=i[e];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(i,e,r){return e&&t(i.prototype,e),r&&t(i,r),i}}(),_lookup=require("./lookup"),_lookup2=_interopRequireDefault(_lookup),_trainStream=require("./train-stream"),_trainStream2=_interopRequireDefault(_trainStream),_max=require("./utilities/max"),_max2=_interopRequireDefault(_max),_mse=require("./utilities/mse"),_mse2=_interopRequireDefault(_mse),_randos=require("./utilities/randos"),_randos2=_interopRequireDefault(_randos),_range=require("./utilities/range"),_range2=_interopRequireDefault(_range),_toArray=require("./utilities/to-array"),_toArray2=_interopRequireDefault(_toArray),_zeros=require("./utilities/zeros"),_zeros2=_interopRequireDefault(_zeros),_thaw=require("thaw.js"),_thaw2=_interopRequireDefault(_thaw),NeuralNetwork=function(){function t(){var i=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};_classCallCheck(this,t),Object.assign(this,this.constructor.defaults,i),this.hiddenSizes=i.hiddenLayers,this.trainOpts={},this._updateTrainingOptions(Object.assign({},this.constructor.trainDefaults,i)),this.sizes=null,this.outputLayer=null,this.biases=null,this.weights=null,this.outputs=null,this.deltas=null,this.changes=null,this.errors=null,this.errorCheckInterval=1,this.constructor.prototype.hasOwnProperty("runInput")||(this.runInput=null),this.constructor.prototype.hasOwnProperty("calculateDeltas")||(this.calculateDeltas=null)}return _createClass(t,null,[{key:"_validateTrainingOptions",value:function(i){var e={iterations:function(t){return"number"==typeof t&&t>0},errorThresh:function(t){return"number"==typeof t&&t>0&&t<1},log:function(t){return"function"==typeof t||"boolean"==typeof t},logPeriod:function(t){return"number"==typeof t&&t>0},learningRate:function(t){return"number"==typeof t&&t>0&&t<1},momentum:function(t){return"number"==typeof t&&t>0&&t<1},callback:function(t){return"function"==typeof t||null===t},callbackPeriod:function(t){return"number"==typeof t&&t>0},timeout:function(t){return"number"==typeof t&&t>0}};Object.keys(t.trainDefaults).forEach(function(t){if(e.hasOwnProperty(t)&&!e[t](i[t]))throw new Error("["+t+", "+i[t]+"] is out of normal training range, your network will probably not train.")})}},{key:"trainDefaults",get:function(){return{iterations:2e4,errorThresh:.005,log:!1,logPeriod:10,learningRate:.3,momentum:.1,callback:null,callbackPeriod:10,timeout:1/0}}},{key:"defaults",get:function(){return{binaryThresh:.5,hiddenLayers:[3],activation:"sigmoid"}}}]),_createClass(t,[{key:"_initialize",value:function(){if(!this.sizes)throw new Error("Sizes must be set before initializing");this.outputLayer=this.sizes.length-1,this.biases=[],this.weights=[],this.outputs=[],this.deltas=[],this.changes=[],this.errors=[];for(var t=0;t<=this.outputLayer;t++){var i=this.sizes[t];if(this.deltas[t]=(0,_zeros2.default)(i),this.errors[t]=(0,_zeros2.default)(i),this.outputs[t]=(0,_zeros2.default)(i),t>0){this.biases[t]=(0,_randos2.default)(i),this.weights[t]=new Array(i),this.changes[t]=new Array(i);for(var e=0;e<i;e++){var r=this.sizes[t-1];this.weights[t][e]=(0,_randos2.default)(r),this.changes[t][e]=(0,_zeros2.default)(r)}}}this.setActivation()}},{key:"setActivation",value:function(t){switch(this.activation=t||this.activation,this.activation){case"sigmoid":this.runInput=this.runInput||this._runInputSigmoid,this.calculateDeltas=this.calculateDeltas||this._calculateDeltasSigmoid;break;case"relu":this.runInput=this.runInput||this._runInputRelu,this.calculateDeltas=this.calculateDeltas||this._calculateDeltasRelu;break;case"leaky-relu":this.runInput=this.runInput||this._runInputLeakyRelu,this.calculateDeltas=this.calculateDeltas||this._calculateDeltasLeakyRelu;break;case"tanh":this.runInput=this.runInput||this._runInputTanh,this.calculateDeltas=this.calculateDeltas||this._calculateDeltasTanh;break;default:throw new Error("unknown activation "+this.activation+", The activation should be one of ['sigmoid', 'relu', 'leaky-relu', 'tanh']")}}},{key:"run",value:function(t){if(!this.isRunnable)return null;this.inputLookup&&(t=_lookup2.default.toArray(this.inputLookup,t));var i=[].concat(_toConsumableArray(this.runInput(t)));return this.outputLookup&&(i=_lookup2.default.toHash(this.outputLookup,i)),i}},{key:"_runInputSigmoid",value:function(t){this.outputs[0]=t;for(var i=null,e=1;e<=this.outputLayer;e++){for(var r=0;r<this.sizes[e];r++){for(var s=this.weights[e][r],a=this.biases[e][r],n=0;n<s.length;n++)a+=s[n]*t[n];this.outputs[e][r]=1/(1+Math.exp(-a))}i=t=this.outputs[e]}return i}},{key:"_runInputRelu",value:function(t){this.outputs[0]=t;for(var i=null,e=1;e<=this.outputLayer;e++){for(var r=0;r<this.sizes[e];r++){for(var s=this.weights[e][r],a=this.biases[e][r],n=0;n<s.length;n++)a+=s[n]*t[n];this.outputs[e][r]=a<0?0:a}i=t=this.outputs[e]}return i}},{key:"_runInputLeakyRelu",value:function(t){this.outputs[0]=t;for(var i=null,e=1;e<=this.outputLayer;e++){for(var r=0;r<this.sizes[e];r++){for(var s=this.weights[e][r],a=this.biases[e][r],n=0;n<s.length;n++)a+=s[n]*t[n];this.outputs[e][r]=a<0?0:.01*a}i=t=this.outputs[e]}return i}},{key:"_runInputTanh",value:function(t){this.outputs[0]=t;for(var i=null,e=1;e<=this.outputLayer;e++){for(var r=0;r<this.sizes[e];r++){for(var s=this.weights[e][r],a=this.biases[e][r],n=0;n<s.length;n++)a+=s[n]*t[n];this.outputs[e][r]=Math.tanh(a)}i=t=this.outputs[e]}return i}},{key:"_verifyIsInitialized",value:function(t){var i=this;this.sizes||(this.sizes=[],this.sizes.push(t[0].input.length),this.hiddenSizes?this.hiddenSizes.forEach(function(t){i.sizes.push(t)}):this.sizes.push(Math.max(3,Math.floor(t[0].input.length/2))),this.sizes.push(t[0].output.length),this._initialize())}},{key:"_updateTrainingOptions",value:function(i){var e=this;Object.keys(t.trainDefaults).forEach(function(t){return e.trainOpts[t]=i.hasOwnProperty(t)?i[t]:e.trainOpts[t]}),t._validateTrainingOptions(this.trainOpts),this._setLogMethod(i.log||this.trainOpts.log),this.activation=i.activation||this.activation}},{key:"_getTrainOptsJSON",value:function(){var i=this;return Object.keys(t.trainDefaults).reduce(function(t,e){return"timeout"===e&&i.trainOpts[e]===1/0?t:(i.trainOpts[e]&&(t[e]=i.trainOpts[e]),"log"===e&&(t.log="function"==typeof t.log),t)},{})}},{key:"_setLogMethod",value:function(t){this.trainOpts.log="function"==typeof t?t:!!t&&console.log}},{key:"_calculateTrainingError",value:function(t){for(var i=0,e=0;e<t.length;++e)i+=this._trainPattern(t[e].input,t[e].output,!0);return i/t.length}},{key:"_trainPatterns",value:function(t){for(var i=0;i<t.length;++i)this._trainPattern(t[i].input,t[i].output,!1)}},{key:"_trainingTick",value:function(t,i,e){return!(i.iterations>=this.trainOpts.iterations||i.error<=this.trainOpts.errorThresh||Date.now()>=e)&&(i.iterations++,this.trainOpts.log&&i.iterations%this.trainOpts.logPeriod==0?(i.error=this._calculateTrainingError(t),this.trainOpts.log("iterations: "+i.iterations+", training error: "+i.error)):i.iterations%this.errorCheckInterval==0?i.error=this._calculateTrainingError(t):this._trainPatterns(t),this.trainOpts.callback&&i.iterations%this.trainOpts.callbackPeriod==0&&this.trainOpts.callback(Object.assign(i)),!0)}},{key:"_prepTraining",value:function(t,i){this._updateTrainingOptions(i),t=this._formatData(t);var e=Date.now()+this.trainOpts.timeout,r={error:1,iterations:0};return this._verifyIsInitialized(t),{data:t,status:r,endTime:e}}},{key:"train",value:function(t){var i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},e=void 0,r=void 0,s=this._prepTraining(t,i);for(t=s.data,e=s.status,r=s.endTime;this._trainingTick(t,e,r););return e}},{key:"trainAsync",value:function(t){var i=this,e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},r=void 0,s=void 0,a=this._prepTraining(t,e);return t=a.data,r=a.status,s=a.endTime,new Promise(function(e,a){try{var n=new _thaw2.default(new Array(i.trainOpts.iterations),{delay:!0,each:function(){return i._trainingTick(t,r,s)||n.stop()},done:function(){return e(r)}});n.tick()}catch(t){a({trainError:t,status:r})}})}},{key:"_trainPattern",value:function(t,i,e){return this.runInput(t),this.calculateDeltas(i),this._adjustWeights(),e?(0,_mse2.default)(this.errors[this.outputLayer]):null}},{key:"_calculateDeltasSigmoid",value:function(t){for(var i=this.outputLayer;i>=0;i--)for(var e=0;e<this.sizes[i];e++){var r=this.outputs[i][e],s=0;if(i===this.outputLayer)s=t[e]-r;else for(var a=this.deltas[i+1],n=0;n<a.length;n++)s+=a[n]*this.weights[i+1][n][e];this.errors[i][e]=s,this.deltas[i][e]=s*r*(1-r)}}},{key:"_calculateDeltasRelu",value:function(t){for(var i=this.outputLayer;i>=0;i--)for(var e=0;e<this.sizes[i];e++){var r=this.outputs[i][e],s=0;if(i===this.outputLayer)s=t[e]-r;else for(var a=this.deltas[i+1],n=0;n<a.length;n++)s+=a[n]*this.weights[i+1][n][e];this.errors[i][e]=s,this.deltas[i][e]=r>0?s:0}}},{key:"_calculateDeltasLeakyRelu",value:function(t){for(var i=this.outputLayer;i>=0;i--)for(var e=0;e<this.sizes[i];e++){var r=this.outputs[i][e],s=0;if(i===this.outputLayer)s=t[e]-r;else for(var a=this.deltas[i+1],n=0;n<a.length;n++)s+=a[n]*this.weights[i+1][n][e];this.errors[i][e]=s,this.deltas[i][e]=r>0?s:.01*s}}},{key:"_calculateDeltasTanh",value:function(t){for(var i=this.outputLayer;i>=0;i--)for(var e=0;e<this.sizes[i];e++){var r=this.outputs[i][e],s=0;if(i===this.outputLayer)s=t[e]-r;else for(var a=this.deltas[i+1],n=0;n<a.length;n++)s+=a[n]*this.weights[i+1][n][e];this.errors[i][e]=s,this.deltas[i][e]=(1-r*r)*s}}},{key:"_adjustWeights",value:function(){for(var t=1;t<=this.outputLayer;t++)for(var i=this.outputs[t-1],e=0;e<this.sizes[t];e++){for(var r=this.deltas[t][e],s=0;s<i.length;s++){var a=this.changes[t][e][s];a=this.trainOpts.learningRate*r*i[s]+this.trainOpts.momentum*a,this.changes[t][e][s]=a,this.weights[t][e][s]+=a}this.biases[t][e]+=this.trainOpts.learningRate*r}}},{key:"_formatData",value:function(t){var i=this;if(!Array.isArray(t)){var e=[];e.push(t),t=e}var r=t[0].input;return Array.isArray(r)||r instanceof Float32Array||(this.inputLookup||(this.inputLookup=_lookup2.default.buildLookup(t.map(function(t){return t.input}))),t=t.map(function(t){var e=_lookup2.default.toArray(i.inputLookup,t.input);return Object.assign({},t,{input:e})},this)),Array.isArray(t[0].output)||(this.outputLookup||(this.outputLookup=_lookup2.default.buildLookup(t.map(function(t){return t.output}))),t=t.map(function(t){var e=_lookup2.default.toArray(i.outputLookup,t.output);return Object.assign({},t,{output:e})},this)),t}},{key:"test",value:function(t){var i=this;t=this._formatData(t);for(var e=1===t[0].output.length,r=0,s=0,a=0,n=0,u=[],o=0,h=0;h<t.length;h++)!function(h){var l=i.runInput(t[h].input),p=t[h].output,c=void 0,f=void 0;if(e?(c=l[0]>i.binaryThresh?1:0,f=p[0]):(c=l.indexOf((0,_max2.default)(l)),f=p.indexOf((0,_max2.default)(p))),c!==f){var v=t[h];Object.assign(v,{actual:c,expected:f}),u.push(v)}e&&(0===c&&0===f?n++:1===c&&1===f?a++:0===c&&1===f?s++:1===c&&0===f&&r++);var y=l.map(function(t,i){return p[i]-t});o+=(0,_mse2.default)(y)}(h);var l=o/t.length,p={error:l,misclasses:u};return e&&Object.assign(p,{trueNeg:n,truePos:a,falseNeg:s,falsePos:r,total:t.length,precision:a/(a+r),recall:a/(a+s),accuracy:(n+a)/t.length}),p}},{key:"toJSON",value:function(){for(var t=[],i=0;i<=this.outputLayer;i++){t[i]={};var e=void 0;e=0===i&&this.inputLookup?Object.keys(this.inputLookup):i===this.outputLayer&&this.outputLookup?Object.keys(this.outputLookup):(0,_range2.default)(0,this.sizes[i]);for(var r=0;r<e.length;r++){var s=e[r];if(t[i][s]={},i>0){t[i][s].bias=this.biases[i][r],t[i][s].weights={};for(var a in t[i-1]){var n=a;1===i&&this.inputLookup&&(n=this.inputLookup[a]),t[i][s].weights[a]=this.weights[i][r][n]}}}}return{sizes:this.sizes,layers:t,outputLookup:!!this.outputLookup,inputLookup:!!this.inputLookup,activation:this.activation,trainOpts:this._getTrainOptsJSON()}}},{key:"fromJSON",value:function(t){this.sizes=t.sizes,this._initialize();for(var i=0;i<=this.outputLayer;i++){var e=t.layers[i];if(0!==i||e[0]&&!t.inputLookup?i!==this.outputLayer||e[0]&&!t.outputLookup||(this.outputLookup=_lookup2.default.lookupFromHash(e)):this.inputLookup=_lookup2.default.lookupFromHash(e),i>0){var r=Object.keys(e);this.sizes[i]=r.length;for(var s in r){var a=r[s];this.biases[i][s]=e[a].bias,this.weights[i][s]=(0,_toArray2.default)(e[a].weights)}}}return t.hasOwnProperty("trainOpts")&&this._updateTrainingOptions(t.trainOpts),this.setActivation(this.activation||"sigmoid"),this}},{key:"toFunction",value:function(){function t(e,r,s){if(0===r)return"string"==typeof s?"input['"+s+"']":"input["+s+"]";var a=e[r],n=a[s],u=[n.bias];for(var o in n.weights)n.weights[o]<0?u.push(n.weights[o]+"*("+t(e,r-1,o)+")"):u.push("+"+n.weights[o]+"*("+t(e,r-1,o)+")");switch(i){case"sigmoid":return"1/(1+1/Math.exp("+u.join("")+"))";case"relu":return"var sum = "+u.join("")+";(sum < 0 ? 0 : sum);";case"leaky-relu":return"var sum = "+u.join("")+";(sum < 0 ? 0 : 0.01 * sum);";case"tanh":return"Math.tanh("+u.join("")+");";default:throw new Error("unknown activation type "+i)}}var i=this.activation,e=this.toJSON().layers,r=[],s=void 0;for(var a in e[e.length-1])r.push(t(e,e.length-1,a));return s=this.outputLookup?"{"+Object.keys(this.outputLookup).map(function(t,i){return"'"+t+"':"+r[i]})+"}":"["+r.join(",")+"]",new Function("input","return "+s)}},{key:"createTrainStream",value:function(t){return t=t||{},t.neuralNetwork=this,this.setActivation(),this.trainStream=new _trainStream2.default(t),this.trainStream}},{key:"isRunnable",get:function(){var t=this;if(!this.runInput)return console.error("Activation function has not been initialized, did you run train()?"),!1;var i=["sizes","outputLayer","biases","weights","outputs","deltas","changes","errors"].filter(function(i){return null===t[i]});return!(i.length>0)||(console.error("Some settings have not been initialized correctly, did you run train()? Found issues with: "+i.join(", ")),!1)}}]),t}();exports.default=NeuralNetwork;
 
-},{"./lookup":3,"./train-stream":33,"./utilities/max":35,"./utilities/mse":36,"./utilities/randos":40,"./utilities/range":41,"./utilities/to-array":42,"./utilities/zeros":43,"thaw.js":108}],6:[function(require,module,exports){
+},{"./lookup":3,"./train-stream":36,"./utilities/max":38,"./utilities/mse":39,"./utilities/randos":43,"./utilities/range":44,"./utilities/to-array":45,"./utilities/zeros":46,"thaw.js":111}],6:[function(require,module,exports){
+"use strict";function _interopRequireDefault(e){return e&&e.__esModule?e:{default:e}}function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function _inherits(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}Object.defineProperty(exports,"__esModule",{value:!0});var _createClass=function(){function e(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}(),_matrix=require("./matrix"),_matrix2=_interopRequireDefault(_matrix),_gru=require("./gru"),_gru2=_interopRequireDefault(_gru),_rnnTimeStep=require("./rnn-time-step"),_rnnTimeStep2=_interopRequireDefault(_rnnTimeStep),GRUTimeStep=function(e){function t(){return _classCallCheck(this,t),_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).apply(this,arguments))}return _inherits(t,e),_createClass(t,[{key:"getModel",value:function(e,t){return _gru2.default.prototype.getModel(e,t)}},{key:"getEquation",value:function(e,t,r,n){return _gru2.default.prototype.getEquation(e,t,r,n)}}]),t}(_rnnTimeStep2.default);exports.default=GRUTimeStep;
+
+},{"./gru":7,"./matrix":16,"./rnn-time-step":34}],7:[function(require,module,exports){
 "use strict";function _interopRequireDefault(e){return e&&e.__esModule?e:{default:e}}function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function _inherits(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}Object.defineProperty(exports,"__esModule",{value:!0});var _createClass=function(){function e(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}(),_matrix=require("./matrix"),_matrix2=_interopRequireDefault(_matrix),_randomMatrix=require("./matrix/random-matrix"),_randomMatrix2=_interopRequireDefault(_randomMatrix),_rnn=require("./rnn"),_rnn2=_interopRequireDefault(_rnn),GRU=function(e){function t(){return _classCallCheck(this,t),_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).apply(this,arguments))}return _inherits(t,e),_createClass(t,[{key:"getModel",value:function(e,t){return{updateGateInputMatrix:new _randomMatrix2.default(e,t,.08),updateGateHiddenMatrix:new _randomMatrix2.default(e,e,.08),updateGateBias:new _matrix2.default(e,1),resetGateInputMatrix:new _randomMatrix2.default(e,t,.08),resetGateHiddenMatrix:new _randomMatrix2.default(e,e,.08),resetGateBias:new _matrix2.default(e,1),cellWriteInputMatrix:new _randomMatrix2.default(e,t,.08),cellWriteHiddenMatrix:new _randomMatrix2.default(e,e,.08),cellWriteBias:new _matrix2.default(e,1)}}},{key:"getEquation",value:function(e,t,r,n){var a=e.sigmoid.bind(e),i=e.add.bind(e),u=e.multiply.bind(e),o=e.multiplyElement.bind(e),l=e.tanh.bind(e),d=e.allOnes.bind(e),s=e.cloneNegative.bind(e),c=a(i(i(u(n.updateGateInputMatrix,t),u(n.updateGateHiddenMatrix,r)),n.updateGateBias)),f=a(i(i(u(n.resetGateInputMatrix,t),u(n.resetGateHiddenMatrix,r)),n.resetGateBias)),p=l(i(i(u(n.cellWriteInputMatrix,t),u(n.cellWriteHiddenMatrix,o(f,r))),n.cellWriteBias));return i(o(i(d(c.rows,c.columns),s(c)),p),o(r,c))}}]),t}(_rnn2.default);exports.default=GRU;
 
-},{"./matrix":14,"./matrix/random-matrix":21,"./rnn":32}],7:[function(require,module,exports){
+},{"./matrix":16,"./matrix/random-matrix":23,"./rnn":35}],8:[function(require,module,exports){
+"use strict";function _interopRequireDefault(e){return e&&e.__esModule?e:{default:e}}function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function _inherits(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}Object.defineProperty(exports,"__esModule",{value:!0});var _createClass=function(){function e(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}(),_matrix=require("./matrix"),_matrix2=_interopRequireDefault(_matrix),_lstm=require("./lstm"),_lstm2=_interopRequireDefault(_lstm),_rnnTimeStep=require("./rnn-time-step"),_rnnTimeStep2=_interopRequireDefault(_rnnTimeStep),LSTMTimeStep=function(e){function t(){return _classCallCheck(this,t),_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).apply(this,arguments))}return _inherits(t,e),_createClass(t,[{key:"getModel",value:function(e,t){return _lstm2.default.prototype.getModel.call(this,e,t)}},{key:"getEquation",value:function(e,t,r,n){return _lstm2.default.prototype.getEquation.call(this,e,t,r,n)}}]),t}(_rnnTimeStep2.default);exports.default=LSTMTimeStep;
+
+},{"./lstm":9,"./matrix":16,"./rnn-time-step":34}],9:[function(require,module,exports){
 "use strict";function _interopRequireDefault(t){return t&&t.__esModule?t:{default:t}}function _classCallCheck(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function _inherits(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}Object.defineProperty(exports,"__esModule",{value:!0});var _createClass=function(){function t(t,e){for(var r=0;r<e.length;r++){var n=e[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}return function(e,r,n){return r&&t(e.prototype,r),n&&t(e,n),e}}(),_matrix=require("./matrix"),_matrix2=_interopRequireDefault(_matrix),_randomMatrix=require("./matrix/random-matrix"),_randomMatrix2=_interopRequireDefault(_randomMatrix),_rnn=require("./rnn"),_rnn2=_interopRequireDefault(_rnn),LSTM=function(t){function e(){return _classCallCheck(this,e),_possibleConstructorReturn(this,(e.__proto__||Object.getPrototypeOf(e)).apply(this,arguments))}return _inherits(e,t),_createClass(e,[{key:"getModel",value:function(t,e){return{inputMatrix:new _randomMatrix2.default(t,e,.08),inputHidden:new _randomMatrix2.default(t,t,.08),inputBias:new _matrix2.default(t,1),forgetMatrix:new _randomMatrix2.default(t,e,.08),forgetHidden:new _randomMatrix2.default(t,t,.08),forgetBias:new _matrix2.default(t,1),outputMatrix:new _randomMatrix2.default(t,e,.08),outputHidden:new _randomMatrix2.default(t,t,.08),outputBias:new _matrix2.default(t,1),cellActivationMatrix:new _randomMatrix2.default(t,e,.08),cellActivationHidden:new _randomMatrix2.default(t,t,.08),cellActivationBias:new _matrix2.default(t,1)}}},{key:"getEquation",value:function(t,e,r,n){var i=t.sigmoid.bind(t),a=t.add.bind(t),o=t.multiply.bind(t),u=t.multiplyElement.bind(t),l=t.tanh.bind(t),d=i(a(a(o(n.inputMatrix,e),o(n.inputHidden,r)),n.inputBias)),f=i(a(a(o(n.forgetMatrix,e),o(n.forgetHidden,r)),n.forgetBias)),c=i(a(a(o(n.outputMatrix,e),o(n.outputHidden,r)),n.outputBias)),s=l(a(a(o(n.cellActivationMatrix,e),o(n.cellActivationHidden,r)),n.cellActivationBias));return u(c,l(a(u(f,r),u(d,s))))}}]),e}(_rnn2.default);exports.default=LSTM;
 
-},{"./matrix":14,"./matrix/random-matrix":21,"./rnn":32}],8:[function(require,module,exports){
+},{"./matrix":16,"./matrix/random-matrix":23,"./rnn":35}],10:[function(require,module,exports){
 "use strict";function addB(e,t,d){for(var a=0;a<e.deltas.length;a++)t.deltas[a]=e.deltas[a],d.deltas[a]=e.deltas[a]}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=addB;
 
-},{}],9:[function(require,module,exports){
+},{}],11:[function(require,module,exports){
 "use strict";function add(e,t,s){for(var d=0;d<t.weights.length;d++)e.weights[d]=t.weights[d]+s.weights[d],e.deltas[d]=0}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=add;
 
-},{}],10:[function(require,module,exports){
+},{}],12:[function(require,module,exports){
 "use strict";function allOnes(e){for(var t=0;t<e.weights.length;t++)e.weights[t]=1,e.deltas[t]=0}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=allOnes;
 
-},{}],11:[function(require,module,exports){
+},{}],13:[function(require,module,exports){
 "use strict";function cloneNegative(e,s){e.rows=parseInt(s.rows),e.columns=parseInt(s.columns),e.weights=s.weights.slice(0),e.deltas=s.deltas.slice(0);for(var t=0;t<s.weights.length;t++)e.weights[t]=-s.weights[t],e.deltas[t]=0}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=cloneNegative;
 
-},{}],12:[function(require,module,exports){
+},{}],14:[function(require,module,exports){
 "use strict";function copy(e,s){e.rows=parseInt(s.rows),e.columns=parseInt(s.columns),e.weights=s.weights.slice(0),e.deltas=s.deltas.slice(0)}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=copy;
 
-},{}],13:[function(require,module,exports){
+},{}],15:[function(require,module,exports){
 "use strict";function _interopRequireDefault(e){return e&&e.__esModule?e:{default:e}}function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(exports,"__esModule",{value:!0});var _createClass=function(){function e(e,t){for(var r=0;r<t.length;r++){var u=t[r];u.enumerable=u.enumerable||!1,u.configurable=!0,"value"in u&&(u.writable=!0),Object.defineProperty(e,u.key,u)}}return function(t,r,u){return r&&e(t.prototype,r),u&&e(t,u),t}}(),_=require("./"),_2=_interopRequireDefault(_),_onesMatrix=require("./ones-matrix"),_onesMatrix2=_interopRequireDefault(_onesMatrix),_copy=require("./copy"),_copy2=_interopRequireDefault(_copy),_cloneNegative2=require("./clone-negative"),_cloneNegative3=_interopRequireDefault(_cloneNegative2),_add2=require("./add"),_add3=_interopRequireDefault(_add2),_addB=require("./add-b"),_addB2=_interopRequireDefault(_addB),_allOnes2=require("./all-ones"),_allOnes3=_interopRequireDefault(_allOnes2),_multiply2=require("./multiply"),_multiply3=_interopRequireDefault(_multiply2),_multiplyB=require("./multiply-b"),_multiplyB2=_interopRequireDefault(_multiplyB),_multiplyElement2=require("./multiply-element"),_multiplyElement3=_interopRequireDefault(_multiplyElement2),_multiplyElementB=require("./multiply-element-b"),_multiplyElementB2=_interopRequireDefault(_multiplyElementB),_relu2=require("./relu"),_relu3=_interopRequireDefault(_relu2),_reluB=require("./relu-b"),_reluB2=_interopRequireDefault(_reluB),_rowPluck=require("./row-pluck"),_rowPluck2=_interopRequireDefault(_rowPluck),_rowPluckB=require("./row-pluck-b"),_rowPluckB2=_interopRequireDefault(_rowPluckB),_sigmoid2=require("./sigmoid"),_sigmoid3=_interopRequireDefault(_sigmoid2),_sigmoidB=require("./sigmoid-b"),_sigmoidB2=_interopRequireDefault(_sigmoidB),_tanh2=require("./tanh"),_tanh3=_interopRequireDefault(_tanh2),_tanhB=require("./tanh-b"),_tanhB2=_interopRequireDefault(_tanhB),Equation=function(){function e(){_classCallCheck(this,e),this.inputRow=0,this.inputValue=null,this.states=[]}return _createClass(e,[{key:"add",value:function(e,t){if(e.weights.length!==t.weights.length)throw new Error("misaligned matrices");var r=new _2.default(e.rows,e.columns);return this.states.push({left:e,right:t,product:r,forwardFn:_add3.default,backpropagationFn:_addB2.default}),r}},{key:"allOnes",value:function(e,t){var r=new _2.default(e,t);return this.states.push({left:r,product:r,forwardFn:_allOnes3.default}),r}},{key:"cloneNegative",value:function(e){var t=new _2.default(e.rows,e.columns);return this.states.push({left:e,product:t,forwardFn:_cloneNegative3.default}),t}},{key:"subtract",value:function(e,t){if(e.weights.length!==t.weights.length)throw new Error("misaligned matrices");return this.add(this.add(this.allOnes(e.rows,e.columns),this.cloneNegative(e)),t)}},{key:"multiply",value:function(e,t){if(e.columns!==t.rows)throw new Error("misaligned matrices");var r=new _2.default(e.rows,t.columns);return this.states.push({left:e,right:t,product:r,forwardFn:_multiply3.default,backpropagationFn:_multiplyB2.default}),r}},{key:"multiplyElement",value:function(e,t){if(e.weights.length!==t.weights.length)throw new Error("misaligned matrices");var r=new _2.default(e.rows,e.columns);return this.states.push({left:e,right:t,product:r,forwardFn:_multiplyElement3.default,backpropagationFn:_multiplyElementB2.default}),r}},{key:"relu",value:function(e){var t=new _2.default(e.rows,e.columns);return this.states.push({left:e,product:t,forwardFn:_relu3.default,backpropagationFn:_reluB2.default}),t}},{key:"input",value:function(e){var t=this;return this.states.push({product:e,forwardFn:function(){e.weights=t.inputValue}}),e}},{key:"inputMatrixToRow",value:function(e){var t=this,r=new _2.default(e.columns,1);return this.states.push({left:e,get right(){return t.inputRow},product:r,forwardFn:_rowPluck2.default,backpropagationFn:_rowPluckB2.default}),r}},{key:"sigmoid",value:function(e){var t=new _2.default(e.rows,e.columns);return this.states.push({left:e,product:t,forwardFn:_sigmoid3.default,backpropagationFn:_sigmoidB2.default}),t}},{key:"tanh",value:function(e){var t=new _2.default(e.rows,e.columns);return this.states.push({left:e,product:t,forwardFn:_tanh3.default,backpropagationFn:_tanhB2.default}),t}},{key:"observe",value:function(e){var t=0,r=0;return this.states.push({forwardFn:function(){t++},backpropagationFn:function(){r++}}),e}},{key:"run",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;this.inputRow=e;for(var t=void 0,r=0,u=this.states.length;r<u;r++)t=this.states[r],t.hasOwnProperty("forwardFn")&&t.forwardFn(t.product,t.left,t.right);return t.product}},{key:"runInput",value:function(e){this.inputValue=e;for(var t=void 0,r=0,u=this.states.length;r<u;r++)t=this.states[r],t.hasOwnProperty("forwardFn")&&t.forwardFn(t.product,t.left,t.right);return t.product}},{key:"runBackpropagate",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;this.inputRow=e;for(var t=this.states.length,r=void 0;t-- >0;)r=this.states[t],r.hasOwnProperty("backpropagationFn")&&r.backpropagationFn(r.product,r.left,r.right);return r.product}}]),e}();exports.default=Equation;
 
-},{"./":14,"./add":9,"./add-b":8,"./all-ones":10,"./clone-negative":11,"./copy":12,"./multiply":19,"./multiply-b":16,"./multiply-element":18,"./multiply-element-b":17,"./ones-matrix":20,"./relu":23,"./relu-b":22,"./row-pluck":25,"./row-pluck-b":24,"./sigmoid":28,"./sigmoid-b":27,"./tanh":31,"./tanh-b":30}],14:[function(require,module,exports){
+},{"./":16,"./add":11,"./add-b":10,"./all-ones":12,"./clone-negative":13,"./copy":14,"./multiply":21,"./multiply-b":18,"./multiply-element":20,"./multiply-element-b":19,"./ones-matrix":22,"./relu":25,"./relu-b":24,"./row-pluck":27,"./row-pluck-b":26,"./sigmoid":30,"./sigmoid-b":29,"./tanh":33,"./tanh-b":32}],16:[function(require,module,exports){
 "use strict";function _interopRequireDefault(e){return e&&e.__esModule?e:{default:e}}function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(exports,"__esModule",{value:!0});var _createClass=function(){function e(e,t){for(var s=0;s<t.length;s++){var r=t[s];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}return function(t,s,r){return s&&e(t.prototype,s),r&&e(t,r),t}}(),_zeros=require("../../utilities/zeros"),_zeros2=_interopRequireDefault(_zeros),Matrix=function(){function e(t,s){_classCallCheck(this,e),void 0!==t&&void 0!==s&&(this.rows=t,this.columns=s,this.weights=(0,_zeros2.default)(t*s),this.deltas=(0,_zeros2.default)(t*s))}return _createClass(e,[{key:"getWeights",value:function(e,t){var s=this.columns*e+t;if(s<0&&s>=this.weights.length)throw new Error("get accessor is skewed");return this.weights[s]}},{key:"setWeight",value:function(e,t,s){var r=this.columns*e+t;if(r<0&&r>=this.weights.length)throw new Error("set accessor is skewed");this.weights[r]=s}},{key:"setDeltas",value:function(e,t,s){var r=this.columns*e+t;if(r<0&&r>=this.weights.length)throw new Error("set accessor is skewed");this.deltas[r]=s}},{key:"toJSON",value:function(){return{rows:this.rows,columns:this.columns,weights:this.weights.slice(0)}}},{key:"weightsToArray",value:function(){for(var e=[],t=0,s=0,r=0;r<this.weights.length;r++)0===s&&e.push([]),e[t].push(this.weights[r]),++s>=this.columns&&(s=0,t++);return e}},{key:"deltasToArray",value:function(){for(var e=[],t=0,s=0,r=0;r<this.deltas.length;r++)0===s&&e.push([]),e[t].push(this.deltas[r]),++s>=this.columns&&(s=0,t++);return e}}],[{key:"fromJSON",value:function(t){for(var s=new e(t.rows,t.columns),r=0,i=t.rows*t.columns;r<i;r++)s.weights[r]=t.weights[r];return s}},{key:"fromArray",value:function(t,s){var r=t.length,i=t[0].length,n=new e(r,i);s=s||t;for(var o=0;o<r;o++)for(var u=t[o],a=s[o],l=0;l<i;l++)n.setWeight(o,l,u[l]),n.setDeltas(o,l,a[l]);return n}}]),e}();exports.default=Matrix;
 
-},{"../../utilities/zeros":43}],15:[function(require,module,exports){
+},{"../../utilities/zeros":46}],17:[function(require,module,exports){
 "use strict";function maxI(e){for(var t=e.weights,r=t[0],a=0,o=1;o<t.length;o++){var s=t[o];s<r||(a=o,r=s)}return a}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=maxI;
 
-},{}],16:[function(require,module,exports){
+},{}],18:[function(require,module,exports){
 "use strict";function multiplyB(e,t,r){for(var s=t.rows,l=t.columns,o=r.columns,a=0;a<s;a++)for(var u=l*a,i=o*a,d=0;d<o;d++)for(var f=0;f<l;f++){var c=o*f,n=u+f,p=c+d,v=e.deltas[i+d];t.deltas[n]+=r.weights[p]*v,r.deltas[p]+=t.weights[n]*v}}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=multiplyB;
 
-},{}],17:[function(require,module,exports){
+},{}],19:[function(require,module,exports){
 "use strict";function multiplyElementB(e,t,l){for(var s=0;s<t.weights.length;s++)t.deltas[s]=l.weights[s]*e.deltas[s],l.deltas[s]=t.weights[s]*e.deltas[s]}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=multiplyElementB;
 
-},{}],18:[function(require,module,exports){
+},{}],20:[function(require,module,exports){
 "use strict";function multiplyElement(e,t,l){for(var s=t.weights,i=0;i<s.length;i++)e.weights[i]=t.weights[i]*l.weights[i],e.deltas[i]=0}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=multiplyElement;
 
-},{}],19:[function(require,module,exports){
+},{}],21:[function(require,module,exports){
 "use strict";function multiply(e,t,r){for(var s=t.rows,l=t.columns,o=r.columns,u=0;u<s;u++)for(var a=l*u,i=o*u,f=0;f<o;f++){for(var c=0,d=0;d<l;d++){var n=o*d,p=a+d,v=n+f;c+=t.weights[p]*r.weights[v],t.deltas[p]=0,r.deltas[v]=0}e.weights[i+f]=c}}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=multiply;
 
-},{}],20:[function(require,module,exports){
+},{}],22:[function(require,module,exports){
 "use strict";function _interopRequireDefault(e){return e&&e.__esModule?e:{default:e}}function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function _inherits(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}Object.defineProperty(exports,"__esModule",{value:!0});var _=require("./"),_2=_interopRequireDefault(_),_ones=require("../../utilities/ones"),_ones2=_interopRequireDefault(_ones),OnesMatrix=function(e){function t(e,r){_classCallCheck(this,t);var o=_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).call(this,e,r));return o.rows=e,o.columns=r,o.weights=(0,_ones2.default)(e*r),o.deltas=(0,_ones2.default)(e*r),o}return _inherits(t,e),t}(_2.default);exports.default=OnesMatrix;
 
-},{"../../utilities/ones":37,"./":14}],21:[function(require,module,exports){
+},{"../../utilities/ones":40,"./":16}],23:[function(require,module,exports){
 "use strict";function _interopRequireDefault(e){return e&&e.__esModule?e:{default:e}}function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function _inherits(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}Object.defineProperty(exports,"__esModule",{value:!0});var _=require("./"),_2=_interopRequireDefault(_),_random=require("../../utilities/random"),RandomMatrix=function(e){function t(e,r,o){_classCallCheck(this,t);var n=_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).call(this,e,r));n.rows=e,n.columns=r,n.std=o;for(var i=0,s=n.weights.length;i<s;i++)n.weights[i]=(0,_random.randomF)(-o,o);return n}return _inherits(t,e),t}(_2.default);exports.default=RandomMatrix;
 
-},{"../../utilities/random":39,"./":14}],22:[function(require,module,exports){
+},{"../../utilities/random":42,"./":16}],24:[function(require,module,exports){
 "use strict";function reluB(e,t){for(var l=0;l<e.deltas.length;l++)t.deltas[l]=t.weights[l]>0?e.deltas[l]:0}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=reluB;
 
-},{}],23:[function(require,module,exports){
+},{}],25:[function(require,module,exports){
 "use strict";function relu(e,t){for(var r=0;r<t.weights.length;r++)e.weights[r]=Math.max(0,t.weights[r]),e.deltas[r]=0}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=relu;
 
-},{}],24:[function(require,module,exports){
+},{}],26:[function(require,module,exports){
 "use strict";function rowPluckB(e,t,o){for(var r=t.columns,l=r*o,s=0;s<r;s++)t.deltas[l+s]=e.deltas[s]}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=rowPluckB;
 
-},{}],25:[function(require,module,exports){
+},{}],27:[function(require,module,exports){
 "use strict";function rowPluck(e,t,o){for(var r=t.columns,s=r*o,u=0;u<r;u++)e.weights[u]=t.weights[s+u],e.deltas[u]=0}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=rowPluck;
 
-},{}],26:[function(require,module,exports){
+},{}],28:[function(require,module,exports){
 "use strict";function sampleI(e){for(var r=randomF(0,1),a=0,o=0,t=e.weights;;){if((a+=t[o])>r)return o;o++}}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=sampleI;var _random=require("../../utilities/random"),randomF=_random.randomF;
 
-},{"../../utilities/random":39}],27:[function(require,module,exports){
+},{"../../utilities/random":42}],29:[function(require,module,exports){
 "use strict";function sigmoidB(e,t){for(var s=0;s<e.deltas.length;s++){var d=e.weights[s];t.deltas[s]=d*(1-d)*e.deltas[s]}}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=sigmoidB;
 
-},{}],28:[function(require,module,exports){
+},{}],30:[function(require,module,exports){
 "use strict";function sigmoid(e,t){for(var i=0;i<t.weights.length;i++)e.weights[i]=1/(1+Math.exp(-t.weights[i])),e.deltas[i]=0}function sig(e){return 1/(1+Math.exp(-e))}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=sigmoid;
 
-},{}],29:[function(require,module,exports){
+},{}],31:[function(require,module,exports){
 "use strict";function _interopRequireDefault(e){return e&&e.__esModule?e:{default:e}}function softmax(e){for(var t=new _2.default(e.rows,e.columns),r=-999999,s=0;s<e.weights.length;s++)e.weights[s]>r&&(r=e.weights[s]);for(var i=0,u=0;u<e.weights.length;u++)t.weights[u]=Math.exp(e.weights[u]-r),i+=t.weights[u];for(var o=0;o<e.weights.length;o++)t.weights[o]/=i;return t}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=softmax;var _=require("./"),_2=_interopRequireDefault(_);
 
-},{"./":14}],30:[function(require,module,exports){
+},{"./":16}],32:[function(require,module,exports){
 "use strict";function tanhB(e,t){for(var a=0;a<e.deltas.length;a++){var s=e.weights[a];t.deltas[a]=(1-s*s)*e.deltas[a]}}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=tanhB;
 
-},{}],31:[function(require,module,exports){
+},{}],33:[function(require,module,exports){
 "use strict";function tanh(t,e){for(var s=0;s<e.weights.length;s++)t.weights[s]=Math.tanh(e.weights[s]),t.deltas[s]=0}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=tanh;
 
-},{}],32:[function(require,module,exports){
+},{}],34:[function(require,module,exports){
+"use strict";function _interopRequireDefault(t){return t&&t.__esModule?t:{default:t}}function _classCallCheck(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function _inherits(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}Object.defineProperty(exports,"__esModule",{value:!0});var _createClass=function(){function t(t,e){for(var n=0;n<e.length;n++){var i=e[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}return function(e,n,i){return n&&t(e.prototype,n),i&&t(e,i),e}}(),_matrix=require("./matrix"),_matrix2=_interopRequireDefault(_matrix),_randomMatrix=require("./matrix/random-matrix"),_randomMatrix2=_interopRequireDefault(_randomMatrix),_equation=require("./matrix/equation"),_equation2=_interopRequireDefault(_equation),_rnn=require("./rnn"),_rnn2=_interopRequireDefault(_rnn),RNNTimeStep=function(t){function e(t){return _classCallCheck(this,e),_possibleConstructorReturn(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t))}return _inherits(e,t),_createClass(e,[{key:"createInputMatrix",value:function(){this.model.input=new _randomMatrix2.default(this.inputSize,1,.08)}},{key:"createOutputMatrix",value:function(){var t=this.model,e=this.outputSize,n=this.hiddenSizes[this.hiddenSizes.length-1];t.outputConnector=new _randomMatrix2.default(e,n,.08),t.output=new _matrix2.default(e,1)}},{key:"bindEquation",value:function(){var t=this.model,e=this.hiddenSizes,n=t.hiddenLayers,i=new _equation2.default,r=[],o=t.equationConnections.length>0?t.equationConnections[t.equationConnections.length-1]:this.initialLayerInputs,u=this.getEquation(i,i.input(t.input),o[0],n[0]);r.push(u);for(var a=1,s=e.length;a<s;a++)u=this.getEquation(i,u,o[a],n[a]),r.push(u);t.equationConnections.push(r),i.add(i.multiply(t.outputConnector,u),t.output),t.equations.push(i)}},{key:"runInput",value:function(t){this.runs++;for(var e=this.model,n=0,i=void 0;e.equations.length<t.length-1;)this.bindEquation();var r=[];if(1===this.inputSize)for(var o=0,u=t.length-1;o<u;o++){i=e.equations[o];for(var a=t[o],s=t[o+1],l=i.runInput([a]),h=0;h<l.weights.length;h++){var p=l.weights[h]-s;n+=Math.abs(p),l.deltas[h]=p,r.push(l.weights)}}else for(var f=0,c=t.length-1;f<c;f++){i=e.equations[f];for(var d=t[f],_=t[f+1],v=i.runInput(d),g=0;g<v.weights.length;g++){var m=v.weights[g]-_[g];n+=Math.abs(m),v.deltas[g]=m,r.push(v.weights)}}return this.totalCost=n,n}},{key:"runBackpropagate",value:function(){for(var t=this.model.equations.length-1;t>-1;t--)this.model.equations[t].runBackpropagate()}},{key:"run",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:[],e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;arguments.length>2&&void 0!==arguments[2]&&arguments[2],arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this.isRunnable)return null;for(var n=this.model;n.equations.length<e;)this.bindEquation();var i=void 0;if(1===this.inputSize)for(var r=0;r<t.length;r++){var o=n.equations[r].runInput([t[r]]);i=o.weights}else for(var u=0;u<t.length;u++){var a=n.equations[u].runInput(t[u]);i=a.weights}return 1===this.outputSize?i[0]:i}},{key:"toFunction",value:function(){throw new Error("not implemented")}}]),e}(_rnn2.default);exports.default=RNNTimeStep,RNNTimeStep.defaults={inputSize:1,hiddenSizes:[20],outputSize:1,learningRate:.01,decayRate:.999,smoothEps:1e-8,regc:1e-6,clipval:5,json:null,dataFormatter:null},RNNTimeStep.trainDefaults=_rnn2.default.trainDefaults;
+
+},{"./matrix":16,"./matrix/equation":15,"./matrix/random-matrix":23,"./rnn":35}],35:[function(require,module,exports){
 "use strict";function _interopRequireDefault(t){return t&&t.__esModule?t:{default:t}}function _classCallCheck(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(exports,"__esModule",{value:!0});var _createClass=function(){function t(t,e){for(var r=0;r<e.length;r++){var n=e[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}return function(e,r,n){return r&&t(e.prototype,r),n&&t(e,n),e}}(),_matrix=require("./matrix"),_matrix2=_interopRequireDefault(_matrix),_randomMatrix=require("./matrix/random-matrix"),_randomMatrix2=_interopRequireDefault(_randomMatrix),_equation=require("./matrix/equation"),_equation2=_interopRequireDefault(_equation),_sampleI=require("./matrix/sample-i"),_sampleI2=_interopRequireDefault(_sampleI),_maxI=require("./matrix/max-i"),_maxI2=_interopRequireDefault(_maxI),_softmax=require("./matrix/softmax"),_softmax2=_interopRequireDefault(_softmax),_copy=require("./matrix/copy"),_copy2=_interopRequireDefault(_copy),_random=require("../utilities/random"),_zeros=require("../utilities/zeros"),_zeros2=_interopRequireDefault(_zeros),_dataFormatter=require("../utilities/data-formatter"),_dataFormatter2=_interopRequireDefault(_dataFormatter),RNN=function(){function t(){var e=this,r=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};_classCallCheck(this,t);var n=this.constructor.defaults;for(var a in n)n.hasOwnProperty(a)&&(this[a]=r.hasOwnProperty(a)?r[a]:n[a]);this.stepCache={},this.runs=0,this.totalCost=null,this.ratioClipped=null,this.model=null,this.initialLayerInputs=this.hiddenSizes.map(function(t){return new _matrix2.default(e.hiddenSizes[0],1)}),this.inputLookup=null,this.outputLookup=null,this.initialize()}return _createClass(t,[{key:"initialize",value:function(){this.model={input:null,hiddenLayers:[],output:null,equations:[],allMatrices:[],equationConnections:[]},null!==this.dataFormatter&&(this.inputSize=this.inputRange=this.outputSize=this.dataFormatter.characters.length),this.json?this.fromJSON(this.json):this.mapModel()}},{key:"createHiddenLayers",value:function(){var t=this.hiddenSizes,e=this.model,r=e.hiddenLayers;r.push(this.getModel(t[0],this.inputSize));for(var n=t[0],a=1;a<t.length;a++){var i=t[a];r.push(this.getModel(i,n)),n=i}}},{key:"getModel",value:function(t,e){return{weight:new _randomMatrix2.default(t,e,.08),transition:new _randomMatrix2.default(t,t,.08),bias:new _matrix2.default(t,1)}}},{key:"getEquation",value:function(t,e,r,n){var a=t.relu.bind(t),i=t.add.bind(t),o=t.multiply.bind(t);return a(i(i(o(n.weight,e),o(n.transition,r)),n.bias))}},{key:"createInputMatrix",value:function(){this.model.input=new _randomMatrix2.default(this.inputRange+1,this.inputSize,.08)}},{key:"createOutputMatrix",value:function(){var t=this.model,e=this.outputSize,r=this.hiddenSizes[this.hiddenSizes.length-1];t.outputConnector=new _randomMatrix2.default(e+1,r,.08),t.output=new _matrix2.default(e+1,1)}},{key:"bindEquation",value:function(){var t=this.model,e=this.hiddenSizes,r=t.hiddenLayers,n=new _equation2.default,a=[],i=t.equationConnections.length>0?t.equationConnections[t.equationConnections.length-1]:this.initialLayerInputs,o=this.getEquation(n,n.inputMatrixToRow(t.input),i[0],r[0]);a.push(o);for(var u=1,s=e.length;u<s;u++)o=this.getEquation(n,o,i[u],r[u]),a.push(o);t.equationConnections.push(a),n.add(n.multiply(t.outputConnector,o),t.output),t.equations.push(n)}},{key:"mapModel",value:function(){var t=this.model,e=t.hiddenLayers,r=t.allMatrices;if(this.createInputMatrix(),!t.input)throw new Error("net.model.input not set");if(r.push(t.input),this.createHiddenLayers(),!t.hiddenLayers.length)throw new Error("net.hiddenLayers not set");for(var n=0,a=e.length;n<a;n++){var i=e[n];for(var o in i)i.hasOwnProperty(o)&&r.push(i[o])}if(this.createOutputMatrix(),!t.outputConnector)throw new Error("net.model.outputConnector not set");if(!t.output)throw new Error("net.model.output not set");r.push(t.outputConnector),r.push(t.output)}},{key:"trainPattern",value:function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,r=this.runInput(t);return this.runBackpropagate(t),this.step(e),r}},{key:"runInput",value:function(t){this.runs++;for(var e=this.model,r=t.length,n=0,a=0,i=void 0;e.equations.length<=t.length+1;)this.bindEquation();for(var o=-1,u=t.length;o<u;o++){var s=o+1;i=e.equations[s];var l=-1===o?0:t[o]+1,h=o===r-1?0:t[o+1]+1,p=i.run(l),d=p,f=(0,_softmax2.default)(p);n+=-Math.log2(f.weights[h]),a+=-Math.log(f.weights[h]),d.deltas=f.weights.slice(0),d.deltas[h]-=1}return this.totalCost=a,Math.pow(2,n/(r-1))}},{key:"runBackpropagate",value:function(t){for(var e=t.length,r=this.model,n=r.equations;e>0;)n[e].runBackpropagate(t[e-1]+1),e--;n[0].runBackpropagate(0)}},{key:"step",value:function(){for(var t=(arguments.length>0&&void 0!==arguments[0]&&arguments[0],this.learningRate),e=this.regc,r=this.clipval,n=this.model,a=0,i=0,o=n.allMatrices,u=0;u<o.length;u++){var s=o[u],l=s.weights,h=s.deltas;u in this.stepCache||(this.stepCache[u]=(0,_zeros2.default)(s.rows*s.columns));for(var p=this.stepCache[u],d=0;d<l.length;d++){var f=h[d],c=l[d];p[d]=p[d]*this.decayRate+(1-this.decayRate)*f*f,f>r&&(f=r,a++),f<-r&&(f=-r,a++),i++,l[d]=c+-t*f/Math.sqrt(p[d]+this.smoothEps)-e*c}}this.ratioClipped=a/i}},{key:"run",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:[],e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:100,r=arguments.length>2&&void 0!==arguments[2]&&arguments[2],n=arguments.length>3&&void 0!==arguments[3]?arguments[3]:1;if(!this.isRunnable)return null;for(var a=this.formatDataIn(t),i=this.model,o=[],u=0;i.equations.length<e;)this.bindEquation();for(;;){var s=0===u?0:u<a.length?a[u-1]+1:o[u-1],l=i.equations[u],h=l.run(s),p=new _matrix2.default(i.output.rows,i.output.columns);if((0,_copy2.default)(p,h),1!==n&&r)for(var d=0,f=p.weights.length;d<f;d++)p.weights[d]/=n;var c=(0,_softmax2.default)(p),m=r?(0,_sampleI2.default)(c):(0,_maxI2.default)(c);if(u++,0===m)break;if(u>=e)break;o.push(m)}return this.formatDataOut(a,o.slice(a.length).map(function(t){return t-1}))}},{key:"train",value:function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};e=Object.assign({},this.constructor.trainDefaults,e);var r=e.iterations,n=e.errorThresh,a=!0===e.log?console.log:e.log,i=e.logPeriod,o=e.learningRate||this.learningRate,u=e.callback,s=e.callbackPeriod,l=1/0,h=void 0;for(this.hasOwnProperty("setupData")&&(t=this.setupData(t)),e.keepNetworkIntact||this.initialize(),h=0;h<r&&l>n;h++){for(var p=0,d=0;d<t.length;d++){p+=this.trainPattern(t[d],o)}if(l=p/t.length,isNaN(l))throw new Error("network error rate is unexpected NaN, check network configurations and try again");a&&h%i==0&&a("iterations:",h,"training error:",l),u&&h%s==0&&u({error:l,iterations:h})}return{error:l,iterations:h}}},{key:"test",value:function(t){throw new Error("not yet implemented")}},{key:"toJSON",value:function(){var t=this.constructor.defaults,e=this.model,r={};for(var n in t)r[n]=this[n];return{type:this.constructor.name,options:r,input:e.input.toJSON(),hiddenLayers:e.hiddenLayers.map(function(t){var e={};for(var r in t)e[r]=t[r].toJSON();return e}),outputConnector:this.model.outputConnector.toJSON(),output:this.model.output.toJSON()}}},{key:"toJSONString",value:function(){return JSON.stringify(this.toJSON())}},{key:"fromJSON",value:function(t){this.json=t;var e=this.constructor.defaults,r=this.model,n=t.options,a=r.allMatrices;r.input=_matrix2.default.fromJSON(t.input),a.push(r.input),r.hiddenLayers=t.hiddenLayers.map(function(t){var e={};for(var r in t)e[r]=_matrix2.default.fromJSON(t[r]),a.push(e[r]);return e}),r.outputConnector=_matrix2.default.fromJSON(t.outputConnector),r.output=_matrix2.default.fromJSON(t.output),a.push(r.outputConnector),a.push(r.output);for(var i in e)e.hasOwnProperty(i)&&(this[i]=n.hasOwnProperty(i)?n[i]:e[i]);n.hasOwnProperty("dataFormatter")&&null!==n.dataFormatter&&(this.dataFormatter=_dataFormatter2.default.fromJSON(n.dataFormatter),delete n.dataFormatter),this.bindEquation()}},{key:"fromJSONString",value:function(t){return this.fromJSON(JSON.parse(t))}},{key:"toFunction",value:function(){function t(t,r){for(var n=0,a=u.length;n<a;n++){var i=u[n];if(n===r){var o=e(t);switch(t){case i.left:if(o>-1)return"typeof prevStates["+o+"] === 'object' ? prevStates["+o+"].product : new Matrix("+t.rows+", "+t.columns+")";case i.right:if(o>-1)return"typeof prevStates["+o+"] === 'object' ? prevStates["+o+"].product : new Matrix("+t.rows+", "+t.columns+")";case i.product:return"new Matrix("+t.rows+", "+t.columns+")";default:throw Error("unknown state")}}if(t===i.product)return"states["+n+"].product";if(t===i.right)return"states["+n+"].right";if(t===i.left)return"states["+n+"].left"}}function e(t){for(var e=a.equationConnections[0],r=i[0].states,n=0,o=r.length;n<o;n++)if(r[n].product===t)return n;return e.indexOf(t)}function r(e,r){if(!e||!e.rows||!e.columns)return"null";if(e===a.input)return"json.input";if(e===a.outputConnector)return"json.outputConnector";if(e===a.output)return"json.output";for(var n=0,i=a.hiddenLayers.length;n<i;n++){var o=a.hiddenLayers[n];for(var u in o)if(o.hasOwnProperty(u)&&o[u]===e)return"json.hiddenLayers["+n+"]."+u}return t(e,r)}function n(t){return t=t.toString().split("{"),t.shift(),t=t.join("{"),t=t.split("}"),t.pop(),t.join("}").split("\n").join("\n        ").replace("product.deltas[i] = 0;","").replace("product.deltas[column] = 0;","").replace("left.deltas[leftIndex] = 0;","").replace("right.deltas[rightIndex] = 0;","").replace("product.deltas = left.deltas.slice(0);","")}for(var a=this.model,i=this.model.equations,o=i[1],u=o.states,s=JSON.stringify(this.toJSON()),l=[],h={},p=[],d=0,f=u.length;d<f;d++){var c=u[d];l.push("states["+d+"] = {\n      name: '"+c.forwardFn.name+"',\n      left: "+r(c.left,d)+",\n      right: "+r(c.right,d)+",\n      product: "+r(c.product,d)+"\n    }");var m=c.forwardFn.name;h[m]||(h[m]=!0,p.push("        case '"+m+"': //compiled from "+function(t){return"src/recurrent/matrix/"+t.replace(/[A-Z]/g,function(t){return"-"+t.toLowerCase()})+".js"}(m)+"\n          "+n(c.forwardFn.toString())+"\n          break;"))}var g="\n  if (typeof rawInput === 'undefined') rawInput = [];\n  if (typeof maxPredictionLength === 'undefined') maxPredictionLength = 100;\n  if (typeof isSampleI === 'undefined') isSampleI = false;\n  if (typeof temperature === 'undefined') temperature = 1;\n  "+(null!==this.dataFormatter?this.dataFormatter.toFunctionString():"")+"\n  \n  var input = "+(null!==this.dataFormatter&&"function"==typeof this.formatDataIn?"formatDataIn(rawInput)":"rawInput")+";\n  var json = "+s+";\n  var _i = 0;\n  var output = [];\n  var states = [];\n  var prevStates;\n  while (true) {\n    var previousIndex = (_i === 0\n        ? 0\n        : _i < input.length\n          ? input[_i - 1] + 1\n          : output[_i - 1])\n          ;\n    var rowPluckIndex = previousIndex;\n    prevStates = states;\n    states = [];\n    "+l.join(";\n    ")+";\n    for (var stateIndex = 0, stateMax = "+l.length+"; stateIndex < stateMax; stateIndex++) {\n      var state = states[stateIndex];\n      var product = state.product;\n      var left = state.left;\n      var right = state.right;\n      \n      switch (state.name) {\n"+p.join("\n")+"\n      }\n    }\n    \n    var logProbabilities = state.product;\n    if (temperature !== 1 && isSampleI) {\n      for (var q = 0, nq = logProbabilities.weights.length; q < nq; q++) {\n        logProbabilities.weights[q] /= temperature;\n      }\n    }\n\n    var probs = softmax(logProbabilities);\n    var nextIndex = isSampleI ? sampleI(probs) : maxI(probs);\n    \n    _i++;\n    if (nextIndex === 0) {\n      break;\n    }\n    if (_i >= maxPredictionLength) {\n      break;\n    }\n\n    output.push(nextIndex);\n  }\n  "+(null!==this.dataFormatter&&"function"==typeof this.formatDataOut?"return formatDataOut(input, output.slice(input.length).map(function(value) { return value - 1; }))":"return output.slice(input.length).map(function(value) { return value - 1; })")+";\n  function Matrix(rows, columns) {\n    this.rows = rows;\n    this.columns = columns;\n    this.weights = zeros(rows * columns);\n  }\n  "+(null!==this.dataFormatter&&"function"==typeof this.formatDataIn?"function formatDataIn(input, output) { "+n(this.formatDataIn.toString()).replace(/this[.]dataFormatter[\n\s]+[.]/g,"").replace(/this[.]dataFormatter[.]/g,"").replace(/this[.]dataFormatter/g,"true")+" }":"")+"\n  "+(null!==this.dataFormatter&&"function"==typeof this.formatDataOut?"function formatDataOut(input, output) { "+n(this.formatDataOut.toString()).replace(/this[.]dataFormatter[\n\s]+[.]/g,"").replace(/this[.]dataFormatter[.]/g,"").replace(/this[.]dataFormatter/g,"true")+" }":"")+"\n  "+_zeros2.default.toString()+"\n  "+_softmax2.default.toString().replace("_2.default","Matrix")+"\n  "+_random.randomF.toString()+"\n  "+_sampleI2.default.toString()+"\n  "+_maxI2.default.toString();return new Function("rawInput","maxPredictionLength","isSampleI","temperature",g)}},{key:"isRunnable",get:function(){return 0!==this.model.equations.length||(console.error("No equations bound, did you run train()?"),!1)}}]),t}();exports.default=RNN,RNN.defaults={inputSize:20,inputRange:20,hiddenSizes:[20,20],outputSize:20,learningRate:.01,decayRate:.999,smoothEps:1e-8,regc:1e-6,clipval:5,json:null,setupData:function(t){if(!("string"==typeof t[0]||Array.isArray(t[0])||t[0].hasOwnProperty("input")&&t[0].hasOwnProperty("output")))return t;var e=[],r=[];if("string"==typeof t[0]||Array.isArray(t[0])){if(null===this.dataFormatter){for(var n=0;n<t.length;n++)e.push(t[n]);this.dataFormatter=new _dataFormatter2.default(e)}for(var a=0,i=t.length;a<i;a++)r.push(this.formatDataIn(t[a]))}else{if(null===this.dataFormatter){for(var o=0;o<t.length;o++)e.push(t[o].input),e.push(t[o].output);this.dataFormatter=_dataFormatter2.default.fromArrayInputOutput(e)}for(var u=0,s=t.length;u<s;u++)r.push(this.formatDataIn(t[u].input,t[u].output))}return r},formatDataIn:function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;return null!==this.dataFormatter?this.dataFormatter.indexTable.hasOwnProperty("stop-input")?this.dataFormatter.toIndexesInputOutput(t,e):this.dataFormatter.toIndexes(t):t},formatDataOut:function(t,e){return null!==this.dataFormatter?this.dataFormatter.toCharacters(e).join(""):e},dataFormatter:null},RNN.trainDefaults={iterations:2e4,errorThresh:.005,log:!1,logPeriod:10,learningRate:.3,callback:null,callbackPeriod:10,keepNetworkIntact:!1};
 
-},{"../utilities/data-formatter":34,"../utilities/random":39,"../utilities/zeros":43,"./matrix":14,"./matrix/copy":12,"./matrix/equation":13,"./matrix/max-i":15,"./matrix/random-matrix":21,"./matrix/sample-i":26,"./matrix/softmax":29}],33:[function(require,module,exports){
+},{"../utilities/data-formatter":37,"../utilities/random":42,"../utilities/zeros":46,"./matrix":16,"./matrix/copy":14,"./matrix/equation":15,"./matrix/max-i":17,"./matrix/random-matrix":23,"./matrix/sample-i":28,"./matrix/softmax":31}],36:[function(require,module,exports){
 "use strict";function _interopRequireDefault(t){return t&&t.__esModule?t:{default:t}}function _toConsumableArray(t){if(Array.isArray(t)){for(var e=0,r=Array(t.length);e<t.length;e++)r[e]=t[e];return r}return Array.from(t)}function _classCallCheck(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function _inherits(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}function uniques(t){return[].concat(_toConsumableArray(new Set(t)))}Object.defineProperty(exports,"__esModule",{value:!0});var _createClass=function(){function t(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}return function(e,r,i){return r&&t(e.prototype,r),i&&t(e,i),e}}(),_stream=require("stream"),_lookup=require("./lookup"),_lookup2=_interopRequireDefault(_lookup),TrainStream=function(t){function e(t){var r;_classCallCheck(this,e);var i=_possibleConstructorReturn(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,{objectMode:!0}));if(t=t||{},!t.neuralNetwork)throw new Error("no neural network specified");return i.neuralNetwork=t.neuralNetwork,i.dataFormatDetermined=!1,i.inputKeys=[],i.outputKeys=[],i.i=0,i.iterations=t.iterations||2e4,i.errorThresh=t.errorThresh||.005,i.log=!!t.log&&("function"==typeof t.log?t.log:console.log),i.logPeriod=t.logPeriod||10,i.callback=t.callback,i.callbackPeriod=t.callbackPeriod||10,i.floodCallback=t.floodCallback,i.doneTrainingCallback=t.doneTrainingCallback,i.size=0,i.count=0,i.sum=0,i.on("finish",i.finishStreamIteration.bind(i)),r=i,_possibleConstructorReturn(i,r)}return _inherits(e,t),_createClass(e,[{key:"_write",value:function(t,e,r){if(!t)return this.emit("finish"),r();if(!this.dataFormatDetermined)return this.size++,this.inputKeys=uniques(this.inputKeys.slice(0).concat(Object.keys(t.input))),this.outputKeys=uniques(this.outputKeys.slice(0).concat(Object.keys(t.output))),this.firstDatum=this.firstDatum||t,r();this.count++;var i=this.neuralNetwork.formatData(t);this.trainDatum(i[0]),r()}},{key:"trainDatum",value:function(t){var e=this.neuralNetwork.trainPattern(t.input,t.output);this.sum+=e}},{key:"finishStreamIteration",value:function(){if(this.dataFormatDetermined&&this.size!==this.count&&this.log("This iteration's data length was different from the first."),!this.dataFormatDetermined){this.neuralNetwork.inputLookup=_lookup2.default.lookupFromArray(this.inputKeys),Array.isArray(this.firstDatum.output)||(this.neuralNetwork.outputLookup=_lookup2.default.lookupFromArray(this.outputKeys));var t=this.neuralNetwork.formatData(this.firstDatum),e=[],r=t[0].input.length,i=t[0].output.length,o=this.hiddenSizes;return o?o.forEach(function(t){e.push(t)}):e.push(Math.max(3,Math.floor(r/2))),e.unshift(r),e.push(i),this.dataFormatDetermined=!0,this.neuralNetwork.initialize(e),void("function"==typeof this.floodCallback&&this.floodCallback())}var n=this.sum/this.size;if(this.log&&this.i%this.logPeriod==0&&this.log("iterations:",this.i,"training error:",n),this.callback&&this.i%this.callbackPeriod==0&&this.callback({error:n,iterations:this.i}),this.sum=0,this.count=0,++this.i<this.iterations&&n>this.errorThresh){if("function"==typeof this.floodCallback)return this.floodCallback()}else if("function"==typeof this.doneTrainingCallback)return this.doneTrainingCallback({error:n,iterations:this.i})}}]),e}(_stream.Writable);exports.default=TrainStream;
 
-},{"./lookup":3,"stream":106}],34:[function(require,module,exports){
+},{"./lookup":3,"stream":109}],37:[function(require,module,exports){
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-},{}],35:[function(require,module,exports){
+},{}],38:[function(require,module,exports){
 "use strict";function _interopRequireDefault(e){return e&&e.__esModule?e:{default:e}}function max(e){return Math.max.apply(Math,(0,_toArray2.default)(e))}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=max;var _toArray=require("./to-array"),_toArray2=_interopRequireDefault(_toArray);
 
-},{"./to-array":42}],36:[function(require,module,exports){
+},{"./to-array":45}],39:[function(require,module,exports){
 "use strict";function mse(e){for(var t=0,r=0;r<e.length;r++)t+=Math.pow(e[r],2);return t/e.length}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=mse;
 
-},{}],37:[function(require,module,exports){
+},{}],40:[function(require,module,exports){
 "use strict";function ones(e){if("undefined"!=typeof Float32Array)return new Float32Array(e).fill(1);for(var r=new Array(e),t=0;t<e;t++)r[t]=1;return r}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=ones;
 
-},{}],38:[function(require,module,exports){
+},{}],41:[function(require,module,exports){
 "use strict";function randomWeight(){return.4*Math.random()-.2}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=randomWeight;
 
-},{}],39:[function(require,module,exports){
+},{}],42:[function(require,module,exports){
 "use strict";function randomF(a,r){return Math.random()*(r-a)+a}function randomI(a,r){return Math.floor(Math.random()*(r-a)+a)}function randomN(a,r){return a+gaussRandom()*r}function gaussRandom(){if(gaussRandom.returnV)return gaussRandom.returnV=!1,gaussRandom.vVal;var a=2*Math.random()-1,r=2*Math.random()-1,n=a*a+r*r;if(0==n||n>1)return gaussRandom();var o=Math.sqrt(-2*Math.log(n)/n);return gaussRandom.vVal=r*o,gaussRandom.returnV=!0,a*o}Object.defineProperty(exports,"__esModule",{value:!0}),exports.randomF=randomF,exports.randomI=randomI,exports.randomN=randomN,gaussRandom.returnV=!1,gaussRandom.vVal=0;
 
-},{}],40:[function(require,module,exports){
+},{}],43:[function(require,module,exports){
 "use strict";function _interopRequireDefault(e){return e&&e.__esModule?e:{default:e}}function randos(e){for(var r=new Float32Array(e),t=0;t<e;t++)r[t]=(0,_randomWeight2.default)();return r}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=randos;var _randomWeight=require("./random-weight"),_randomWeight2=_interopRequireDefault(_randomWeight);
 
-},{"./random-weight":38}],41:[function(require,module,exports){
+},{"./random-weight":41}],44:[function(require,module,exports){
 "use strict";function range(e,r){for(var t=[];e<r;e++)t.push(e);return t}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=range;
 
-},{}],42:[function(require,module,exports){
+},{}],45:[function(require,module,exports){
 "use strict";function toArray(r){if(Array.isArray(r))return r;var e=Object.keys(r),t=new Float32Array(e.length);for(var a in e)t[a]=r[e[a]];return t}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=toArray;
 
-},{}],43:[function(require,module,exports){
+},{}],46:[function(require,module,exports){
 "use strict";function zeros(e){return new Float32Array(e)}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=zeros;
 
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-var crossValidate=require("./dist/cross-validate").default,likely=require("./dist/likely").default,lookup=require("./dist/lookup").default,NeuralNetwork=require("./dist/neural-network").default,NeuralNetworkGPU=require("./dist/neural-network-gpu").default,TrainStream=require("./dist/train-stream").default,RNN=require("./dist/recurrent/rnn").default,LSTM=require("./dist/recurrent/lstm").default,GRU=require("./dist/recurrent/gru").default,utilities={max:require("./dist/utilities/max").default,mse:require("./dist/utilities/mse").default,ones:require("./dist/utilities/ones").default,random:require("./dist/utilities/random").default,randomWeight:require("./dist/utilities/random-weight").default,randos:require("./dist/utilities/randos").default,range:require("./dist/utilities/range").default,toArray:require("./dist/utilities/to-array").default,DataFormatter:require("./dist/utilities/data-formatter").default,zeros:require("./dist/utilities/zeros").default},brain={crossValidate:crossValidate,likely:likely,lookup:lookup,NeuralNetwork:NeuralNetwork,NeuralNetworkGPU:NeuralNetworkGPU,TrainStream:TrainStream,recurrent:{RNN:RNN,LSTM:LSTM,GRU:GRU},utilities:utilities};"undefined"!=typeof window&&(window.brain=brain),"undefined"!=typeof self&&(self.brain=brain),"undefined"!=typeof module&&(module.exports=brain);
-},{"./dist/cross-validate":1,"./dist/likely":2,"./dist/lookup":3,"./dist/neural-network":5,"./dist/neural-network-gpu":4,"./dist/recurrent/gru":6,"./dist/recurrent/lstm":7,"./dist/recurrent/rnn":32,"./dist/train-stream":33,"./dist/utilities/data-formatter":34,"./dist/utilities/max":35,"./dist/utilities/mse":36,"./dist/utilities/ones":37,"./dist/utilities/random":39,"./dist/utilities/random-weight":38,"./dist/utilities/randos":40,"./dist/utilities/range":41,"./dist/utilities/to-array":42,"./dist/utilities/zeros":43}],45:[function(require,module,exports){
+},{}],47:[function(require,module,exports){
+var crossValidate=require("./dist/cross-validate").default,likely=require("./dist/likely").default,lookup=require("./dist/lookup").default,NeuralNetwork=require("./dist/neural-network").default,NeuralNetworkGPU=require("./dist/neural-network-gpu").default,TrainStream=require("./dist/train-stream").default,RNNTimeStep=require("./dist/recurrent/rnn-time-step").default,LSTMTimeStep=require("./dist/recurrent/lstm-time-step").default,GRUTimeStep=require("./dist/recurrent/gru-time-step").default,RNN=require("./dist/recurrent/rnn").default,LSTM=require("./dist/recurrent/lstm").default,GRU=require("./dist/recurrent/gru").default,utilities={max:require("./dist/utilities/max").default,mse:require("./dist/utilities/mse").default,ones:require("./dist/utilities/ones").default,random:require("./dist/utilities/random").default,randomWeight:require("./dist/utilities/random-weight").default,randos:require("./dist/utilities/randos").default,range:require("./dist/utilities/range").default,toArray:require("./dist/utilities/to-array").default,DataFormatter:require("./dist/utilities/data-formatter").default,zeros:require("./dist/utilities/zeros").default},brain={crossValidate:crossValidate,likely:likely,lookup:lookup,NeuralNetwork:NeuralNetwork,NeuralNetworkGPU:NeuralNetworkGPU,TrainStream:TrainStream,recurrent:{RNNTimeStep:RNNTimeStep,LSTMTimeStep:LSTMTimeStep,GRUTimeStep:GRUTimeStep,RNN:RNN,LSTM:LSTM,GRU:GRU},utilities:utilities};"undefined"!=typeof window&&(window.brain=brain),"undefined"!=typeof self&&(self.brain=brain),"undefined"!=typeof module&&(module.exports=brain);
+},{"./dist/cross-validate":1,"./dist/likely":2,"./dist/lookup":3,"./dist/neural-network":5,"./dist/neural-network-gpu":4,"./dist/recurrent/gru":7,"./dist/recurrent/gru-time-step":6,"./dist/recurrent/lstm":9,"./dist/recurrent/lstm-time-step":8,"./dist/recurrent/rnn":35,"./dist/recurrent/rnn-time-step":34,"./dist/train-stream":36,"./dist/utilities/data-formatter":37,"./dist/utilities/max":38,"./dist/utilities/mse":39,"./dist/utilities/ones":40,"./dist/utilities/random":42,"./dist/utilities/random-weight":41,"./dist/utilities/randos":43,"./dist/utilities/range":44,"./dist/utilities/to-array":45,"./dist/utilities/zeros":46}],48:[function(require,module,exports){
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i=this;if(this.next(),this.eat(z.star))return this.expectContextual("from"),this.type!==z.string&&this.unexpected(),t.source=this.parseExprAtom(),this.semicolon(),this.finishNode(t,"ExportAllDeclaration");if(this.eat(z._default)){this.checkExport(e,"default",this.lastTokStart);var s;if(this.type===z._function||(s=this.isAsyncFunction())){var r=this.startNode();this.next(),s&&this.next(),t.declaration=this.parseFunction(r,"nullableID",!1,s)}else if(this.type===z._class){var a=this.startNode();t.declaration=this.parseClass(a,"nullableID")}else t.declaration=this.parseMaybeAssign(),this.semicolon();return 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 "AssignmentPattern"===t.argument.type&&this.raise(t.argument.start,"Rest elements cannot have a default value");break;case"AssignmentExpression":"="!==t.operator&&this.raise(t.left.end,"Only '=' operator can be used for specifying default value."),t.type="AssignmentPattern",delete t.operator,this.toAssignable(t.left,e);case"AssignmentPattern":break;case"ParenthesizedExpression":this.toAssignable(t.expression,e);break;case"MemberExpression":if(!e)break;default:this.raise(t.start,"Assigning to rvalue")}else i&&this.checkPatternErrors(i,!0);return t},lt.toAssignableList=function(t,e){for(var i=this,s=t.length,r=0;r<s;r++){var a=t[r];a&&i.toAssignable(a,e)}if(s){var n=t[s-1];6===this.options.ecmaVersion&&e&&n&&"RestElement"===n.type&&"Identifier"!==n.argument.type&&this.unexpected(n.argument.start)}return t},lt.parseSpread=function(t){var e=this.startNode();return this.next(),e.argument=this.parseMaybeAssign(!1,t),this.finishNode(e,"SpreadElement")},lt.parseRestBinding=function(){var t=this.startNode();return this.next(),6===this.options.ecmaVersion&&this.type!==z.name&&this.unexpected(),t.argument=this.parseBindingAtom(),this.finishNode(t,"RestElement")},lt.parseBindingAtom=function(){if(this.options.ecmaVersion>=6)switch(this.type){case z.bracketL:var t=this.startNode();return this.next(),t.elements=this.parseBindingList(z.bracketR,!0,!0),this.finishNode(t,"ArrayPattern");case z.braceL:return this.parseObj(!0)}return this.parseIdent()},lt.parseBindingList=function(t,e,i){for(var s=this,r=[],a=!0;!this.eat(t);)if(a?a=!1:s.expect(z.comma),e&&s.type===z.comma)r.push(null);else{if(i&&s.afterTrailingComma(t))break;if(s.type===z.ellipsis){var n=s.parseRestBinding();s.parseBindingListItem(n),r.push(n),s.type===z.comma&&s.raise(s.start,"Comma is not permitted after the rest element"),s.expect(t);break}var o=s.parseMaybeDefault(s.start,s.startLoc);s.parseBindingListItem(o),r.push(o)}return r},lt.parseBindingListItem=function(t){return t},lt.parseMaybeDefault=function(t,e,i){if(i=i||this.parseBindingAtom(),this.options.ecmaVersion<6||!this.eat(z.eq))return i;var s=this.startNodeAt(t,e);return s.left=i,s.right=this.parseMaybeAssign(),this.finishNode(s,"AssignmentPattern")},lt.checkLVal=function(t,e,i){var s=this;switch(t.type){case"Identifier":this.strict&&this.reservedWordsStrictBind.test(t.name)&&this.raiseRecoverable(t.start,(e?"Binding ":"Assigning to ")+t.name+" in strict mode"),i&&(o(i,t.name)&&this.raiseRecoverable(t.start,"Argument name clash"),i[t.name]=!0),e&&"none"!==e&&(("var"===e&&!this.canDeclareVarName(t.name)||"var"!==e&&!this.canDeclareLexicalName(t.name))&&this.raiseRecoverable(t.start,"Identifier '"+t.name+"' has already been declared"),"var"===e?this.declareVarName(t.name):this.declareLexicalName(t.name));break;case"MemberExpression":e&&this.raiseRecoverable(t.start,"Binding member expression");break;case"ObjectPattern":for(var r=0,a=t.properties;r<a.length;r+=1){var n=a[r];s.checkLVal(n,e,i)}break;case"Property":this.checkLVal(t.value,e,i);break;case"ArrayPattern":for(var h=0,p=t.elements;h<p.length;h+=1){var c=p[h];c&&s.checkLVal(c,e,i)}break;case"AssignmentPattern":this.checkLVal(t.left,e,i);break;case"RestElement":this.checkLVal(t.argument,e,i);break;case"ParenthesizedExpression":this.checkLVal(t.expression,e,i);break;default:this.raise(t.start,(e?"Binding":"Assigning to")+" rvalue")}};var dt=at.prototype;dt.checkPropClash=function(t,e,i){if(!(this.options.ecmaVersion>=9&&"SpreadElement"===t.type||this.options.ecmaVersion>=6&&(t.computed||t.method||t.shorthand))){var s,r=t.key;switch(r.type){case"Identifier":s=r.name;break;case"Literal":s=String(r.value);break;default:return}var a=t.kind;if(this.options.ecmaVersion>=6)return void("__proto__"===s&&"init"===a&&(e.proto&&(i&&i.doubleProto<0?i.doubleProto=r.start:this.raiseRecoverable(r.start,"Redefinition of __proto__ property")),e.proto=!0));s="$"+s;var n=e[s];if(n){var o;o="init"===a?this.strict&&n.init||n.get||n.set:n.init||n[a],o&&this.raiseRecoverable(r.start,"Redefinition of property")}else n=e[s]={init:!1,get:!1,set:!1};n[a]=!0}},dt.parseExpression=function(t,e){var i=this,s=this.start,r=this.startLoc,a=this.parseMaybeAssign(t,e);if(this.type===z.comma){var n=this.startNodeAt(s,r);for(n.expressions=[a];this.eat(z.comma);)n.expressions.push(i.parseMaybeAssign(t,e));return this.finishNode(n,"SequenceExpression")}return a},dt.parseMaybeAssign=function(t,e,i){if(this.inGenerator&&this.isContextual("yield"))return this.parseYield();var s=!1,r=-1,a=-1;e?(r=e.parenthesizedAssign,a=e.trailingComma,e.parenthesizedAssign=e.trailingComma=-1):(e=new l,s=!0);var n=this.start,o=this.startLoc;this.type!=z.parenL&&this.type!=z.name||(this.potentialArrowAt=this.start);var h=this.parseMaybeConditional(t,e);if(i&&(h=i.call(this,h,n,o)),this.type.isAssign){var p=this.startNodeAt(n,o);return p.operator=this.value,p.left=this.type===z.eq?this.toAssignable(h,!1,e):h,s||l.call(e),e.shorthandAssign=-1,this.checkLVal(h),this.next(),p.right=this.parseMaybeAssign(t),this.finishNode(p,"AssignmentExpression")}return s&&this.checkExpressionErrors(e,!0),r>-1&&(e.parenthesizedAssign=r),a>-1&&(e.trailingComma=a),h},dt.parseMaybeConditional=function(t,e){var i=this.start,s=this.startLoc,r=this.parseExprOps(t,e);if(this.checkExpressionErrors(e))return r;if(this.eat(z.question)){var a=this.startNodeAt(i,s);return a.test=r,a.consequent=this.parseMaybeAssign(),this.expect(z.colon),a.alternate=this.parseMaybeAssign(t),this.finishNode(a,"ConditionalExpression")}return r},dt.parseExprOps=function(t,e){var i=this.start,s=this.startLoc,r=this.parseMaybeUnary(e,!1);return this.checkExpressionErrors(e)?r:r.start==i&&"ArrowFunctionExpression"===r.type?r:this.parseExprOp(r,i,s,-1,t)},dt.parseExprOp=function(t,e,i,s,r){var a=this.type.binop;if(null!=a&&(!r||this.type!==z._in)&&a>s){var n=this.type===z.logicalOR||this.type===z.logicalAND,o=this.value;this.next();var h=this.start,p=this.startLoc,c=this.parseExprOp(this.parseMaybeUnary(null,!1),h,p,a,r),u=this.buildBinary(e,i,t,c,o,n);return this.parseExprOp(u,e,i,s,r)}return t},dt.buildBinary=function(t,e,i,s,r,a){var n=this.startNodeAt(t,e);return n.left=i,n.operator=r,n.right=s,this.finishNode(n,a?"LogicalExpression":"BinaryExpression")},dt.parseMaybeUnary=function(t,e){var i,s=this,r=this.start,a=this.startLoc;if(this.inAsync&&this.isContextual("await"))i=this.parseAwait(),e=!0;else if(this.type.prefix){var n=this.startNode(),o=this.type===z.incDec;n.operator=this.value,n.prefix=!0,this.next(),n.argument=this.parseMaybeUnary(null,!0),this.checkExpressionErrors(t,!0),o?this.checkLVal(n.argument):this.strict&&"delete"===n.operator&&"Identifier"===n.argument.type?this.raiseRecoverable(n.start,"Deleting local variable in strict mode"):e=!0,i=this.finishNode(n,o?"UpdateExpression":"UnaryExpression")}else{if(i=this.parseExprSubscripts(t),this.checkExpressionErrors(t))return i;for(;this.type.postfix&&!this.canInsertSemicolon();){var h=s.startNodeAt(r,a);h.operator=s.value,h.prefix=!1,h.argument=i,s.checkLVal(i),s.next(),i=s.finishNode(h,"UpdateExpression")}}return!e&&this.eat(z.starstar)?this.buildBinary(r,a,i,this.parseMaybeUnary(null,!1),"**",!1):i},dt.parseExprSubscripts=function(t){var e=this.start,i=this.startLoc,s=this.parseExprAtom(t),r="ArrowFunctionExpression"===s.type&&")"!==this.input.slice(this.lastTokStart,this.lastTokEnd);if(this.checkExpressionErrors(t)||r)return s;var a=this.parseSubscripts(s,e,i);return t&&"MemberExpression"===a.type&&(t.parenthesizedAssign>=a.start&&(t.parenthesizedAssign=-1),t.parenthesizedBind>=a.start&&(t.parenthesizedBind=-1)),a},dt.parseSubscripts=function(t,e,i,s){for(var r=this,a=this.options.ecmaVersion>=8&&"Identifier"===t.type&&"async"===t.name&&this.lastTokEnd==t.end&&!this.canInsertSemicolon()&&"async"===this.input.slice(t.start,t.end),n=void 0;;)if((n=r.eat(z.bracketL))||r.eat(z.dot)){var o=r.startNodeAt(e,i);o.object=t,o.property=n?r.parseExpression():r.parseIdent(!0),o.computed=!!n,n&&r.expect(z.bracketR),t=r.finishNode(o,"MemberExpression")}else if(!s&&r.eat(z.parenL)){var h=new l,p=r.yieldPos,c=r.awaitPos;r.yieldPos=0,r.awaitPos=0;var u=r.parseExprList(z.parenR,r.options.ecmaVersion>=8,!1,h);if(a&&!r.canInsertSemicolon()&&r.eat(z.arrow))return r.checkPatternErrors(h,!1),r.checkYieldAwaitInDefaultParams(),r.yieldPos=p,r.awaitPos=c,r.parseArrowExpression(r.startNodeAt(e,i),u,!0);r.checkExpressionErrors(h,!0),r.yieldPos=p||r.yieldPos,r.awaitPos=c||r.awaitPos;var d=r.startNodeAt(e,i);d.callee=t,d.arguments=u,t=r.finishNode(d,"CallExpression")}else{if(r.type!==z.backQuote)return t;var f=r.startNodeAt(e,i);f.tag=t,f.quasi=r.parseTemplate({isTagged:!0}),t=r.finishNode(f,"TaggedTemplateExpression")}},dt.parseExprAtom=function(t){var e,i=this.potentialArrowAt==this.start;switch(this.type){case z._super:return this.inFunction||this.raise(this.start,"'super' outside of function or class"),e=this.startNode(),this.next(),this.type!==z.dot&&this.type!==z.bracketL&&this.type!==z.parenL&&this.unexpected(),this.finishNode(e,"Super");case z._this:return e=this.startNode(),this.next(),this.finishNode(e,"ThisExpression");case z.name:var s=this.start,r=this.startLoc,a=this.containsEsc,n=this.parseIdent(this.type!==z.name);if(this.options.ecmaVersion>=8&&!a&&"async"===n.name&&!this.canInsertSemicolon()&&this.eat(z._function))return this.parseFunction(this.startNodeAt(s,r),!1,!1,!0);if(i&&!this.canInsertSemicolon()){if(this.eat(z.arrow))return this.parseArrowExpression(this.startNodeAt(s,r),[n],!1);if(this.options.ecmaVersion>=8&&"async"===n.name&&this.type===z.name&&!a)return n=this.parseIdent(),!this.canInsertSemicolon()&&this.eat(z.arrow)||this.unexpected(),this.parseArrowExpression(this.startNodeAt(s,r),[n],!0)}return n;case z.regexp:var o=this.value;return e=this.parseLiteral(o.value),e.regex={pattern:o.pattern,flags:o.flags},e;case z.num:case z.string:return this.parseLiteral(this.value);case z._null:case z._true:case z._false:return e=this.startNode(),e.value=this.type===z._null?null:this.type===z._true,e.raw=this.type.keyword,this.next(),this.finishNode(e,"Literal");case z.parenL:var h=this.start,p=this.parseParenAndDistinguishExpression(i);return t&&(t.parenthesizedAssign<0&&!this.isSimpleAssignTarget(p)&&(t.parenthesizedAssign=h),t.parenthesizedBind<0&&(t.parenthesizedBind=h)),p;case z.bracketL:return e=this.startNode(),this.next(),e.elements=this.parseExprList(z.bracketR,!0,!0,t),this.finishNode(e,"ArrayExpression");case z.braceL:return this.parseObj(!1,t);case z._function:return e=this.startNode(),this.next(),this.parseFunction(e,!1);case z._class:return this.parseClass(this.startNode(),!1);case z._new:return this.parseNew();case z.backQuote:return this.parseTemplate();default:this.unexpected()}},dt.parseLiteral=function(t){var e=this.startNode();return e.value=t,e.raw=this.input.slice(this.start,this.end),this.next(),this.finishNode(e,"Literal")},dt.parseParenExpression=function(){this.expect(z.parenL);var t=this.parseExpression();return this.expect(z.parenR),t},dt.parseParenAndDistinguishExpression=function(t){var e,i=this,s=this.start,r=this.startLoc,a=this.options.ecmaVersion>=8;if(this.options.ecmaVersion>=6){this.next();var n,o=this.start,h=this.startLoc,p=[],c=!0,u=!1,d=new l,f=this.yieldPos,m=this.awaitPos;for(this.yieldPos=0,this.awaitPos=0;this.type!==z.parenR;){if(c?c=!1:i.expect(z.comma),a&&i.afterTrailingComma(z.parenR,!0)){u=!0;break}if(i.type===z.ellipsis){n=i.start,p.push(i.parseParenItem(i.parseRestBinding())),i.type===z.comma&&i.raise(i.start,"Comma is not permitted after the rest element");break}p.push(i.parseMaybeAssign(!1,d,i.parseParenItem))}var x=this.start,g=this.startLoc;if(this.expect(z.parenR),t&&!this.canInsertSemicolon()&&this.eat(z.arrow))return this.checkPatternErrors(d,!1),this.checkYieldAwaitInDefaultParams(),this.yieldPos=f,this.awaitPos=m,this.parseParenArrowList(s,r,p);p.length&&!u||this.unexpected(this.lastTokStart),n&&this.unexpected(n),this.checkExpressionErrors(d,!0),this.yieldPos=f||this.yieldPos,this.awaitPos=m||this.awaitPos,p.length>1?(e=this.startNodeAt(o,h),e.expressions=p,this.finishNodeAt(e,"SequenceExpression",x,g)):e=p[0]}else e=this.parseParenExpression();if(this.options.preserveParens){var v=this.startNodeAt(s,r);return v.expression=e,this.finishNode(v,"ParenthesizedExpression")}return e},dt.parseParenItem=function(t){return t},dt.parseParenArrowList=function(t,e,i){return this.parseArrowExpression(this.startNodeAt(t,e),i)};var ft=[];dt.parseNew=function(){var t=this.startNode(),e=this.parseIdent(!0);if(this.options.ecmaVersion>=6&&this.eat(z.dot)){t.meta=e;var i=this.containsEsc;return t.property=this.parseIdent(!0),("target"!==t.property.name||i)&&this.raiseRecoverable(t.property.start,"The only valid meta property for new is new.target"),this.inFunction||this.raiseRecoverable(t.start,"new.target can only be used in functions"),this.finishNode(t,"MetaProperty")}var s=this.start,r=this.startLoc;return t.callee=this.parseSubscripts(this.parseExprAtom(),s,r,!0),this.eat(z.parenL)?t.arguments=this.parseExprList(z.parenR,this.options.ecmaVersion>=8,!1):t.arguments=ft,this.finishNode(t,"NewExpression")},dt.parseTemplateElement=function(t){var e=t.isTagged,i=this.startNode();return this.type===z.invalidTemplate?(e||this.raiseRecoverable(this.start,"Bad escape sequence in untagged template literal"),i.value={raw:this.value,cooked:null}):i.value={raw:this.input.slice(this.start,this.end).replace(/\r\n?/g,"\n"),cooked:this.value},this.next(),i.tail=this.type===z.backQuote,this.finishNode(i,"TemplateElement")},dt.parseTemplate=function(t){var e=this;void 0===t&&(t={});var i=t.isTagged;void 0===i&&(i=!1);var s=this.startNode();this.next(),s.expressions=[];var r=this.parseTemplateElement({isTagged:i});for(s.quasis=[r];!r.tail;)e.expect(z.dollarBraceL),s.expressions.push(e.parseExpression()),e.expect(z.braceR),s.quasis.push(r=e.parseTemplateElement({isTagged:i}));return this.next(),this.finishNode(s,"TemplateLiteral")},dt.isAsyncProp=function(t){return!t.computed&&"Identifier"===t.key.type&&"async"===t.key.name&&(this.type===z.name||this.type===z.num||this.type===z.string||this.type===z.bracketL||this.type.keyword||this.options.ecmaVersion>=9&&this.type===z.star)&&!Q.test(this.input.slice(this.lastTokEnd,this.start))},dt.parseObj=function(t,e){var i=this,s=this.startNode(),r=!0,a={};for(s.properties=[],this.next();!this.eat(z.braceR);){if(r)r=!1;else if(i.expect(z.comma),i.afterTrailingComma(z.braceR))break;var n=i.parseProperty(t,e);t||i.checkPropClash(n,a,e),s.properties.push(n)}return this.finishNode(s,t?"ObjectPattern":"ObjectExpression")},dt.parseProperty=function(t,e){var i,s,r,a,n=this.startNode();if(this.options.ecmaVersion>=9&&this.eat(z.ellipsis))return t?(n.argument=this.parseIdent(!1),this.type===z.comma&&this.raise(this.start,"Comma is not permitted after the rest element"),this.finishNode(n,"RestElement")):(this.type===z.parenL&&e&&(e.parenthesizedAssign<0&&(e.parenthesizedAssign=this.start),e.parenthesizedBind<0&&(e.parenthesizedBind=this.start)),n.argument=this.parseMaybeAssign(!1,e),this.type===z.comma&&e&&e.trailingComma<0&&(e.trailingComma=this.start),this.finishNode(n,"SpreadElement"));this.options.ecmaVersion>=6&&(n.method=!1,n.shorthand=!1,(t||e)&&(r=this.start,a=this.startLoc),t||(i=this.eat(z.star)));var o=this.containsEsc;return this.parsePropertyName(n),!t&&!o&&this.options.ecmaVersion>=8&&!i&&this.isAsyncProp(n)?(s=!0,i=this.options.ecmaVersion>=9&&this.eat(z.star),this.parsePropertyName(n,e)):s=!1,this.parsePropertyValue(n,t,i,s,r,a,e,o),this.finishNode(n,"Property")},dt.parsePropertyValue=function(t,e,i,s,r,a,n,o){if((i||s)&&this.type===z.colon&&this.unexpected(),this.eat(z.colon))t.value=e?this.parseMaybeDefault(this.start,this.startLoc):this.parseMaybeAssign(!1,n),t.kind="init";else if(this.options.ecmaVersion>=6&&this.type===z.parenL)e&&this.unexpected(),t.kind="init",t.method=!0,t.value=this.parseMethod(i,s);else if(e||o||!(this.options.ecmaVersion>=5)||t.computed||"Identifier"!==t.key.type||"get"!==t.key.name&&"set"!==t.key.name||this.type==z.comma||this.type==z.braceR)this.options.ecmaVersion>=6&&!t.computed&&"Identifier"===t.key.type?(this.checkUnreserved(t.key),t.kind="init",e?t.value=this.parseMaybeDefault(r,a,t.key):this.type===z.eq&&n?(n.shorthandAssign<0&&(n.shorthandAssign=this.start),t.value=this.parseMaybeDefault(r,a,t.key)):t.value=t.key,t.shorthand=!0):this.unexpected();else{(i||s)&&this.unexpected(),t.kind=t.key.name,this.parsePropertyName(t),t.value=this.parseMethod(!1);var h="get"===t.kind?0:1;if(t.value.params.length!==h){var p=t.value.start;"get"===t.kind?this.raiseRecoverable(p,"getter should have no params"):this.raiseRecoverable(p,"setter should have exactly one param")}else"set"===t.kind&&"RestElement"===t.value.params[0].type&&this.raiseRecoverable(t.value.params[0].start,"Setter cannot use rest params")}},dt.parsePropertyName=function(t){if(this.options.ecmaVersion>=6){if(this.eat(z.bracketL))return t.computed=!0,t.key=this.parseMaybeAssign(),this.expect(z.bracketR),t.key;t.computed=!1}return t.key=this.type===z.num||this.type===z.string?this.parseExprAtom():this.parseIdent(!0)},dt.initFunction=function(t){t.id=null,this.options.ecmaVersion>=6&&(t.generator=!1,t.expression=!1),this.options.ecmaVersion>=8&&(t.async=!1)},dt.parseMethod=function(t,e){var i=this.startNode(),s=this.inGenerator,r=this.inAsync,a=this.yieldPos,n=this.awaitPos,o=this.inFunction;return this.initFunction(i),this.options.ecmaVersion>=6&&(i.generator=t),this.options.ecmaVersion>=8&&(i.async=!!e),this.inGenerator=i.generator,this.inAsync=i.async,this.yieldPos=0,this.awaitPos=0,this.inFunction=!0,this.enterFunctionScope(),this.expect(z.parenL),i.params=this.parseBindingList(z.parenR,!1,this.options.ecmaVersion>=8),this.checkYieldAwaitInDefaultParams(),this.parseFunctionBody(i,!1),this.inGenerator=s,this.inAsync=r,this.yieldPos=a,this.awaitPos=n,this.inFunction=o,this.finishNode(i,"FunctionExpression")},dt.parseArrowExpression=function(t,e,i){var s=this.inGenerator,r=this.inAsync,a=this.yieldPos,n=this.awaitPos,o=this.inFunction;return this.enterFunctionScope(),this.initFunction(t),this.options.ecmaVersion>=8&&(t.async=!!i),this.inGenerator=!1,this.inAsync=t.async,this.yieldPos=0,this.awaitPos=0,this.inFunction=!0,t.params=this.toAssignableList(e,!0),this.parseFunctionBody(t,!0),this.inGenerator=s,this.inAsync=r,this.yieldPos=a,this.awaitPos=n,this.inFunction=o,this.finishNode(t,"ArrowFunctionExpression")},dt.parseFunctionBody=function(t,e){var i=e&&this.type!==z.braceL,s=this.strict,r=!1;if(i)t.body=this.parseMaybeAssign(),t.expression=!0,this.checkParams(t,!1);else{var a=this.options.ecmaVersion>=7&&!this.isSimpleParamList(t.params);s&&!a||(r=this.strictDirective(this.end))&&a&&this.raiseRecoverable(t.start,"Illegal 'use strict' directive in function with non-simple parameter list");var n=this.labels;this.labels=[],r&&(this.strict=!0),this.checkParams(t,!s&&!r&&!e&&this.isSimpleParamList(t.params)),t.body=this.parseBlock(!1),t.expression=!1,this.adaptDirectivePrologue(t.body.body),this.labels=n}this.exitFunctionScope(),this.strict&&t.id&&this.checkLVal(t.id,"none"),this.strict=s},dt.isSimpleParamList=function(t){for(var e=0,i=t;e<i.length;e+=1){if("Identifier"!==i[e].type)return!1}return!0},dt.checkParams=function(t,e){for(var i=this,s={},r=0,a=t.params;r<a.length;r+=1){var n=a[r];i.checkLVal(n,"var",e?null:s)}},dt.parseExprList=function(t,e,i,s){for(var r=this,a=[],n=!0;!this.eat(t);){if(n)n=!1;else if(r.expect(z.comma),e&&r.afterTrailingComma(t))break;var o=void 0;i&&r.type===z.comma?o=null:r.type===z.ellipsis?(o=r.parseSpread(s),s&&r.type===z.comma&&s.trailingComma<0&&(s.trailingComma=r.start)):o=r.parseMaybeAssign(!1,s),a.push(o)}return a},dt.checkUnreserved=function(t){var e=t.start,i=t.end,s=t.name;if(this.inGenerator&&"yield"===s&&this.raiseRecoverable(e,"Can not use 'yield' as identifier inside a generator"),this.inAsync&&"await"===s&&this.raiseRecoverable(e,"Can not use 'await' as identifier inside an async function"),this.isKeyword(s)&&this.raise(e,"Unexpected keyword '"+s+"'"),!(this.options.ecmaVersion<6&&-1!=this.input.slice(e,i).indexOf("\\"))){(this.strict?this.reservedWordsStrict:this.reservedWords).test(s)&&(this.inAsync||"await"!==s||this.raiseRecoverable(e,"Can not use keyword 'await' outside an async function"),this.raiseRecoverable(e,"The keyword '"+s+"' is reserved"))}},dt.parseIdent=function(t,e){var i=this.startNode();return t&&"never"==this.options.allowReserved&&(t=!1),this.type===z.name?i.name=this.value:this.type.keyword?(i.name=this.type.keyword,"class"!==i.name&&"function"!==i.name||this.lastTokEnd===this.lastTokStart+1&&46===this.input.charCodeAt(this.lastTokStart)||this.context.pop()):this.unexpected(),this.next(),this.finishNode(i,"Identifier"),t||this.checkUnreserved(i),i},dt.parseYield=function(){this.yieldPos||(this.yieldPos=this.start);var t=this.startNode();return this.next(),this.type==z.semi||this.canInsertSemicolon()||this.type!=z.star&&!this.type.startsExpr?(t.delegate=!1,t.argument=null):(t.delegate=this.eat(z.star),t.argument=this.parseMaybeAssign()),this.finishNode(t,"YieldExpression")},dt.parseAwait=function(){this.awaitPos||(this.awaitPos=this.start);var t=this.startNode();return this.next(),t.argument=this.parseMaybeUnary(null,!0),this.finishNode(t,"AwaitExpression")};var mt=at.prototype;mt.raise=function(t,e){var i=h(this.input,t);e+=" ("+i.line+":"+i.column+")";var s=new SyntaxError(e);throw s.pos=t,s.loc=i,s.raisedAt=this.pos,s},mt.raiseRecoverable=mt.raise,mt.curPosition=function(){if(this.options.locations)return new et(this.curLine,this.pos-this.lineStart)};var xt=at.prototype,gt=Object.assign||function(t){for(var e=[],i=arguments.length-1;i-- >0;)e[i]=arguments[i+1];for(var s=0,r=e;s<r.length;s+=1){var a=r[s];for(var n in a)o(a,n)&&(t[n]=a[n])}return t};xt.enterFunctionScope=function(){this.scopeStack.push({var:{},lexical:{},childVar:{},parentLexical:{}})},xt.exitFunctionScope=function(){this.scopeStack.pop()},xt.enterLexicalScope=function(){var t=this.scopeStack[this.scopeStack.length-1],e={var:{},lexical:{},childVar:{},parentLexical:{}};this.scopeStack.push(e),gt(e.parentLexical,t.lexical,t.parentLexical)},xt.exitLexicalScope=function(){var t=this.scopeStack.pop(),e=this.scopeStack[this.scopeStack.length-1];gt(e.childVar,t.var,t.childVar)},xt.canDeclareVarName=function(t){var e=this.scopeStack[this.scopeStack.length-1];return!o(e.lexical,t)&&!o(e.parentLexical,t)},xt.canDeclareLexicalName=function(t){var e=this.scopeStack[this.scopeStack.length-1];return!o(e.lexical,t)&&!o(e.var,t)&&!o(e.childVar,t)},xt.declareVarName=function(t){this.scopeStack[this.scopeStack.length-1].var[t]=!0},xt.declareLexicalName=function(t){this.scopeStack[this.scopeStack.length-1].lexical[t]=!0};var vt=function(t,e,i){this.type="",this.start=e,this.end=0,t.options.locations&&(this.loc=new it(t,i)),t.options.directSourceFile&&(this.sourceFile=t.options.directSourceFile),t.options.ranges&&(this.range=[e,0])},yt=at.prototype;yt.startNode=function(){return new vt(this,this.start,this.startLoc)},yt.startNodeAt=function(t,e){return new vt(this,t,e)},yt.finishNode=function(t,e){return d.call(this,t,e,this.lastTokEnd,this.lastTokEndLoc)},yt.finishNodeAt=function(t,e,i,s){return d.call(this,t,e,i,s)};var _t=function(t,e,i,s,r){this.token=t,this.isExpr=!!e,this.preserveSpace=!!i,this.override=s,this.generator=!!r},bt={b_stat:new _t("{",!1),b_expr:new _t("{",!0),b_tmpl:new _t("${",!1),p_stat:new _t("(",!1),p_expr:new _t("(",!0),q_tmpl:new _t("`",!0,!0,function(t){return t.tryReadTemplateToken()}),f_stat:new _t("function",!1),f_expr:new _t("function",!0),f_expr_gen:new _t("function",!0,!1,null,!0),f_gen:new _t("function",!1,!1,null,!0)},kt=at.prototype;kt.initialContext=function(){return[bt.b_stat]},kt.braceIsBlock=function(t){var e=this.curContext();return e===bt.f_expr||e===bt.f_stat||(t!==z.colon||e!==bt.b_stat&&e!==bt.b_expr?t===z._return||t==z.name&&this.exprAllowed?Q.test(this.input.slice(this.lastTokEnd,this.start)):t===z._else||t===z.semi||t===z.eof||t===z.parenR||t==z.arrow||(t==z.braceL?e===bt.b_stat:t!=z._var&&t!=z.name&&!this.exprAllowed):!e.isExpr)},kt.inGeneratorContext=function(){for(var t=this,e=this.context.length-1;e>=1;e--){var i=t.context[e];if("function"===i.token)return i.generator}return!1},kt.updateContext=function(t){var e,i=this.type;i.keyword&&t==z.dot?this.exprAllowed=!1:(e=i.updateContext)?e.call(this,t):this.exprAllowed=i.beforeExpr},z.parenR.updateContext=z.braceR.updateContext=function(){if(1==this.context.length)return void(this.exprAllowed=!0);var t=this.context.pop();t===bt.b_stat&&"function"===this.curContext().token&&(t=this.context.pop()),this.exprAllowed=!t.isExpr},z.braceL.updateContext=function(t){this.context.push(this.braceIsBlock(t)?bt.b_stat:bt.b_expr),this.exprAllowed=!0},z.dollarBraceL.updateContext=function(){this.context.push(bt.b_tmpl),this.exprAllowed=!0},z.parenL.updateContext=function(t){var e=t===z._if||t===z._for||t===z._with||t===z._while;this.context.push(e?bt.p_stat:bt.p_expr),this.exprAllowed=!0},z.incDec.updateContext=function(){},z._function.updateContext=z._class.updateContext=function(t){t.beforeExpr&&t!==z.semi&&t!==z._else&&(t!==z.colon&&t!==z.braceL||this.curContext()!==bt.b_stat)?this.context.push(bt.f_expr):this.context.push(bt.f_stat),this.exprAllowed=!1},z.backQuote.updateContext=function(){this.curContext()===bt.q_tmpl?this.context.pop():this.context.push(bt.q_tmpl),this.exprAllowed=!1},z.star.updateContext=function(t){if(t==z._function){var e=this.context.length-1;this.context[e]===bt.f_expr?this.context[e]=bt.f_expr_gen:this.context[e]=bt.f_gen}this.exprAllowed=!0},z.name.updateContext=function(t){var e=!1;this.options.ecmaVersion>=6&&("of"==this.value&&!this.exprAllowed||"yield"==this.value&&this.inGeneratorContext())&&(e=!0),this.exprAllowed=e};var Ct={$LONE:["ASCII","ASCII_Hex_Digit","AHex","Alphabetic","Alpha","Any","Assigned","Bidi_Control","Bidi_C","Bidi_Mirrored","Bidi_M","Case_Ignorable","CI","Cased","Changes_When_Casefolded","CWCF","Changes_When_Casemapped","CWCM","Changes_When_Lowercased","CWL","Changes_When_NFKC_Casefolded","CWKCF","Changes_When_Titlecased","CWT","Changes_When_Uppercased","CWU","Dash","Default_Ignorable_Code_Point","DI","Deprecated","Dep","Diacritic","Dia","Emoji","Emoji_Component","Emoji_Modifier","Emoji_Modifier_Base","Emoji_Presentation","Extender","Ext","Grapheme_Base","Gr_Base","Grapheme_Extend","Gr_Ext","Hex_Digit","Hex","IDS_Binary_Operator","IDSB","IDS_Trinary_Operator","IDST","ID_Continue","IDC","ID_Start","IDS","Ideographic","Ideo","Join_Control","Join_C","Logical_Order_Exception","LOE","Lowercase","Lower","Math","Noncharacter_Code_Point","NChar","Pattern_Syntax","Pat_Syn","Pattern_White_Space","Pat_WS","Quotation_Mark","QMark","Radical","Regional_Indicator","RI","Sentence_Terminal","STerm","Soft_Dotted","SD","Terminal_Punctuation","Term","Unified_Ideograph","UIdeo","Uppercase","Upper","Variation_Selector","VS","White_Space","space","XID_Continue","XIDC","XID_Start","XIDS"],General_Category:["Cased_Letter","LC","Close_Punctuation","Pe","Connector_Punctuation","Pc","Control","Cc","cntrl","Currency_Symbol","Sc","Dash_Punctuation","Pd","Decimal_Number","Nd","digit","Enclosing_Mark","Me","Final_Punctuation","Pf","Format","Cf","Initial_Punctuation","Pi","Letter","L","Letter_Number","Nl","Line_Separator","Zl","Lowercase_Letter","Ll","Mark","M","Combining_Mark","Math_Symbol","Sm","Modifier_Letter","Lm","Modifier_Symbol","Sk","Nonspacing_Mark","Mn","Number","N","Open_Punctuation","Ps","Other","C","Other_Letter","Lo","Other_Number","No","Other_Punctuation","Po","Other_Symbol","So","Paragraph_Separator","Zp","Private_Use","Co","Punctuation","P","punct","Separator","Z","Space_Separator","Zs","Spacing_Mark","Mc","Surrogate","Cs","Symbol","S","Titlecase_Letter","Lt","Unassigned","Cn","Uppercase_Letter","Lu"],Script:["Adlam","Adlm","Ahom","Anatolian_Hieroglyphs","Hluw","Arabic","Arab","Armenian","Armn","Avestan","Avst","Balinese","Bali","Bamum","Bamu","Bassa_Vah","Bass","Batak","Batk","Bengali","Beng","Bhaiksuki","Bhks","Bopomofo","Bopo","Brahmi","Brah","Braille","Brai","Buginese","Bugi","Buhid","Buhd","Canadian_Aboriginal","Cans","Carian","Cari","Caucasian_Albanian","Aghb","Chakma","Cakm","Cham","Cherokee","Cher","Common","Zyyy","Coptic","Copt","Qaac","Cuneiform","Xsux","Cypriot","Cprt","Cyrillic","Cyrl","Deseret","Dsrt","Devanagari","Deva","Duployan","Dupl","Egyptian_Hieroglyphs","Egyp","Elbasan","Elba","Ethiopic","Ethi","Georgian","Geor","Glagolitic","Glag","Gothic","Goth","Grantha","Gran","Greek","Grek","Gujarati","Gujr","Gurmukhi","Guru","Han","Hani","Hangul","Hang","Hanunoo","Hano","Hatran","Hatr","Hebrew","Hebr","Hiragana","Hira","Imperial_Aramaic","Armi","Inherited","Zinh","Qaai","Inscriptional_Pahlavi","Phli","Inscriptional_Parthian","Prti","Javanese","Java","Kaithi","Kthi","Kannada","Knda","Katakana","Kana","Kayah_Li","Kali","Kharoshthi","Khar","Khmer","Khmr","Khojki","Khoj","Khudawadi","Sind","Lao","Laoo","Latin","Latn","Lepcha","Lepc","Limbu","Limb","Linear_A","Lina","Linear_B","Linb","Lisu","Lycian","Lyci","Lydian","Lydi","Mahajani","Mahj","Malayalam","Mlym","Mandaic","Mand","Manichaean","Mani","Marchen","Marc","Masaram_Gondi","Gonm","Meetei_Mayek","Mtei","Mende_Kikakui","Mend","Meroitic_Cursive","Merc","Meroitic_Hieroglyphs","Mero","Miao","Plrd","Modi","Mongolian","Mong","Mro","Mroo","Multani","Mult","Myanmar","Mymr","Nabataean","Nbat","New_Tai_Lue","Talu","Newa","Nko","Nkoo","Nushu","Nshu","Ogham","Ogam","Ol_Chiki","Olck","Old_Hungarian","Hung","Old_Italic","Ital","Old_North_Arabian","Narb","Old_Permic","Perm","Old_Persian","Xpeo","Old_South_Arabian","Sarb","Old_Turkic","Orkh","Oriya","Orya","Osage","Osge","Osmanya","Osma","Pahawh_Hmong","Hmng","Palmyrene","Palm","Pau_Cin_Hau","Pauc","Phags_Pa","Phag","Phoenician","Phnx","Psalter_Pahlavi","Phlp","Rejang","Rjng","Runic","Runr","Samaritan","Samr","Saurashtra","Saur","Sharada","Shrd","Shavian","Shaw","Siddham","Sidd","SignWriting","Sgnw","Sinhala","Sinh","Sora_Sompeng","Sora","Soyombo","Soyo","Sundanese","Sund","Syloti_Nagri","Sylo","Syriac","Syrc","Tagalog","Tglg","Tagbanwa","Tagb","Tai_Le","Tale","Tai_Tham","Lana","Tai_Viet","Tavt","Takri","Takr","Tamil","Taml","Tangut","Tang","Telugu","Telu","Thaana","Thaa","Thai","Tibetan","Tibt","Tifinagh","Tfng","Tirhuta","Tirh","Ugaritic","Ugar","Vai","Vaii","Warang_Citi","Wara","Yi","Yiii","Zanabazar_Square","Zanb"]};Array.prototype.push.apply(Ct.$LONE,Ct.General_Category),Ct.gc=Ct.General_Category,Ct.sc=Ct.Script_Extensions=Ct.scx=Ct.Script;var St=at.prototype,Et=function(t){this.parser=t,this.validFlags="gim"+(t.options.ecmaVersion>=6?"uy":"")+(t.options.ecmaVersion>=9?"s":""),this.source="",this.flags="",this.start=0,this.switchU=!1,this.switchN=!1,this.pos=0,this.lastIntValue=0,this.lastStringValue="",this.lastAssertionIsQuantifiable=!1,this.numCapturingParens=0,this.maxBackReference=0,this.groupNames=[],this.backReferenceNames=[]};Et.prototype.reset=function(t,e,i){var s=-1!==i.indexOf("u");this.start=0|t,this.source=e+"",this.flags=i,this.switchU=s&&this.parser.options.ecmaVersion>=6,this.switchN=s&&this.parser.options.ecmaVersion>=9},Et.prototype.raise=function(t){this.parser.raiseRecoverable(this.start,"Invalid regular expression: /"+this.source+"/: "+t)},Et.prototype.at=function(t){var e=this.source,i=e.length;if(t>=i)return-1;var s=e.charCodeAt(t);return!this.switchU||s<=55295||s>=57344||t+1>=i?s:(s<<10)+e.charCodeAt(t+1)-56613888},Et.prototype.nextIndex=function(t){var e=this.source,i=e.length;if(t>=i)return i;var s=e.charCodeAt(t);return!this.switchU||s<=55295||s>=57344||t+1>=i?t+1:t+2},Et.prototype.current=function(){return this.at(this.pos)},Et.prototype.lookahead=function(){return this.at(this.nextIndex(this.pos))},Et.prototype.advance=function(){this.pos=this.nextIndex(this.pos)},Et.prototype.eat=function(t){return this.current()===t&&(this.advance(),!0)},St.validateRegExpFlags=function(t){for(var e=this,i=t.validFlags,s=t.flags,r=0;r<s.length;r++){var a=s.charAt(r)
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e=this;for(this.regexp_alternative(t);t.eat(124);)e.regexp_alternative(t);this.regexp_eatQuantifier(t,!0)&&t.raise("Nothing to repeat"),t.eat(123)&&t.raise("Lone quantifier brackets")},St.regexp_alternative=function(t){for(;t.pos<t.source.length&&this.regexp_eatTerm(t););},St.regexp_eatTerm=function(t){return this.regexp_eatAssertion(t)?(t.lastAssertionIsQuantifiable&&this.regexp_eatQuantifier(t)&&t.switchU&&t.raise("Invalid quantifier"),!0):!(t.switchU?!this.regexp_eatAtom(t):!this.regexp_eatExtendedAtom(t))&&(this.regexp_eatQuantifier(t),!0)},St.regexp_eatAssertion=function(t){var e=t.pos;if(t.lastAssertionIsQuantifiable=!1,t.eat(94)||t.eat(36))return!0;if(t.eat(92)){if(t.eat(66)||t.eat(98))return!0;t.pos=e}if(t.eat(40)&&t.eat(63)){var i=!1;if(this.options.ecmaVersion>=9&&(i=t.eat(60)),t.eat(61)||t.eat(33))return this.regexp_disjunction(t),t.eat(41)||t.raise("Unterminated group"),t.lastAssertionIsQuantifiable=!i,!0}return t.pos=e,!1},St.regexp_eatQuantifier=function(t,e){return void 0===e&&(e=!1),!!this.regexp_eatQuantifierPrefix(t,e)&&(t.eat(63),!0)},St.regexp_eatQuantifierPrefix=function(t,e){return t.eat(42)||t.eat(43)||t.eat(63)||this.regexp_eatBracedQuantifier(t,e)},St.regexp_eatBracedQuantifier=function(t,e){var i=t.pos;if(t.eat(123)){var s=0,r=-1;if(this.regexp_eatDecimalDigits(t)&&(s=t.lastIntValue,t.eat(44)&&this.regexp_eatDecimalDigits(t)&&(r=t.lastIntValue),t.eat(125)))return-1!==r&&r<s&&!e&&t.raise("numbers out of order in {} quantifier"),!0;t.switchU&&!e&&t.raise("Incomplete quantifier"),t.pos=i}return!1},St.regexp_eatAtom=function(t){return this.regexp_eatPatternCharacters(t)||t.eat(46)||this.regexp_eatReverseSolidusAtomEscape(t)||this.regexp_eatCharacterClass(t)||this.regexp_eatUncapturingGroup(t)||this.regexp_eatCapturingGroup(t)},St.regexp_eatReverseSolidusAtomEscape=function(t){var e=t.pos;if(t.eat(92)){if(this.regexp_eatAtomEscape(t))return!0;t.pos=e}return!1},St.regexp_eatUncapturingGroup=function(t){var e=t.pos;if(t.eat(40)){if(t.eat(63)&&t.eat(58)){if(this.regexp_disjunction(t),t.eat(41))return!0;t.raise("Unterminated group")}t.pos=e}return!1},St.regexp_eatCapturingGroup=function(t){if(t.eat(40)){if(this.options.ecmaVersion>=9?this.regexp_groupSpecifier(t):63===t.current()&&t.raise("Invalid group"),this.regexp_disjunction(t),t.eat(41))return t.numCapturingParens+=1,!0;t.raise("Unterminated group")}return!1},St.regexp_eatExtendedAtom=function(t){return t.eat(46)||this.regexp_eatReverseSolidusAtomEscape(t)||this.regexp_eatCharacterClass(t)||this.regexp_eatUncapturingGroup(t)||this.regexp_eatCapturingGroup(t)||this.regexp_eatInvalidBracedQuantifier(t)||this.regexp_eatExtendedPatternCharacter(t)},St.regexp_eatInvalidBracedQuantifier=function(t){return this.regexp_eatBracedQuantifier(t,!0)&&t.raise("Nothing to repeat"),!1},St.regexp_eatSyntaxCharacter=function(t){var e=t.current();return!!m(e)&&(t.lastIntValue=e,t.advance(),!0)},St.regexp_eatPatternCharacters=function(t){for(var e=t.pos,i=0;-1!==(i=t.current())&&!m(i);)t.advance();return t.pos!==e},St.regexp_eatExtendedPatternCharacter=function(t){var e=t.current();return!(-1===e||36===e||e>=40&&e<=43||46===e||63===e||91===e||94===e||124===e)&&(t.advance(),!0)},St.regexp_groupSpecifier=function(t){if(t.eat(63)){if(this.regexp_eatGroupName(t))return-1!==t.groupNames.indexOf(t.lastStringValue)&&t.raise("Duplicate capture group name"),void t.groupNames.push(t.lastStringValue);t.raise("Invalid group")}},St.regexp_eatGroupName=function(t){if(t.lastStringValue="",t.eat(60)){if(this.regexp_eatRegExpIdentifierName(t)&&t.eat(62))return!0;t.raise("Invalid capture group name")}return!1},St.regexp_eatRegExpIdentifierName=function(t){if(t.lastStringValue="",this.regexp_eatRegExpIdentifierStart(t)){for(t.lastStringValue+=f(t.lastIntValue);this.regexp_eatRegExpIdentifierPart(t);)t.lastStringValue+=f(t.lastIntValue);return!0}return!1},St.regexp_eatRegExpIdentifierStart=function(t){var e=t.pos,i=t.current();return t.advance(),92===i&&this.regexp_eatRegExpUnicodeEscapeSequence(t)&&(i=t.lastIntValue),x(i)?(t.lastIntValue=i,!0):(t.pos=e,!1)},St.regexp_eatRegExpIdentifierPart=function(t){var e=t.pos,i=t.current();return t.advance(),92===i&&this.regexp_eatRegExpUnicodeEscapeSequence(t)&&(i=t.lastIntValue),g(i)?(t.lastIntValue=i,!0):(t.pos=e,!1)},St.regexp_eatAtomEscape=function(t){return!!(this.regexp_eatBackReference(t)||this.regexp_eatCharacterClassEscape(t)||this.regexp_eatCharacterEscape(t)||t.switchN&&this.regexp_eatKGroupName(t))||(t.switchU&&(99===t.current()&&t.raise("Invalid unicode escape"),t.raise("Invalid escape")),!1)},St.regexp_eatBackReference=function(t){var e=t.pos;if(this.regexp_eatDecimalEscape(t)){var i=t.lastIntValue;if(t.switchU)return i>t.maxBackReference&&(t.maxBackReference=i),!0;if(i<=t.numCapturingParens)return!0;t.pos=e}return!1},St.regexp_eatKGroupName=function(t){if(t.eat(107)){if(this.regexp_eatGroupName(t))return t.backReferenceNames.push(t.lastStringValue),!0;t.raise("Invalid named reference")}return!1},St.regexp_eatCharacterEscape=function(t){return this.regexp_eatControlEscape(t)||this.regexp_eatCControlLetter(t)||this.regexp_eatZero(t)||this.regexp_eatHexEscapeSequence(t)||this.regexp_eatRegExpUnicodeEscapeSequence(t)||!t.switchU&&this.regexp_eatLegacyOctalEscapeSequence(t)||this.regexp_eatIdentityEscape(t)},St.regexp_eatCControlLetter=function(t){var e=t.pos;if(t.eat(99)){if(this.regexp_eatControlLetter(t))return!0;t.pos=e}return!1},St.regexp_eatZero=function(t){return 48===t.current()&&!C(t.lookahead())&&(t.lastIntValue=0,t.advance(),!0)},St.regexp_eatControlEscape=function(t){var e=t.current();return 116===e?(t.lastIntValue=9,t.advance(),!0):110===e?(t.lastIntValue=10,t.advance(),!0):118===e?(t.lastIntValue=11,t.advance(),!0):102===e?(t.lastIntValue=12,t.advance(),!0):114===e&&(t.lastIntValue=13,t.advance(),!0)},St.regexp_eatControlLetter=function(t){var e=t.current();return!!v(e)&&(t.lastIntValue=e%32,t.advance(),!0)},St.regexp_eatRegExpUnicodeEscapeSequence=function(t){var e=t.pos;if(t.eat(117)){if(this.regexp_eatFixedHexDigits(t,4)){var i=t.lastIntValue;if(t.switchU&&i>=55296&&i<=56319){var s=t.pos;if(t.eat(92)&&t.eat(117)&&this.regexp_eatFixedHexDigits(t,4)){var r=t.lastIntValue;if(r>=56320&&r<=57343)return t.lastIntValue=1024*(i-55296)+(r-56320)+65536,!0}t.pos=s,t.lastIntValue=i}return!0}if(t.switchU&&t.eat(123)&&this.regexp_eatHexDigits(t)&&t.eat(125)&&y(t.lastIntValue))return!0;t.switchU&&t.raise("Invalid unicode escape"),t.pos=e}return!1},St.regexp_eatIdentityEscape=function(t){if(t.switchU)return!!this.regexp_eatSyntaxCharacter(t)||!!t.eat(47)&&(t.lastIntValue=47,!0);var e=t.current();return!(99===e||t.switchN&&107===e)&&(t.lastIntValue=e,t.advance(),!0)},St.regexp_eatDecimalEscape=function(t){t.lastIntValue=0;var e=t.current();if(e>=49&&e<=57){do{t.lastIntValue=10*t.lastIntValue+(e-48),t.advance()}while((e=t.current())>=48&&e<=57);return!0}return!1},St.regexp_eatCharacterClassEscape=function(t){var e=t.current();if(_(e))return t.lastIntValue=-1,t.advance(),!0;if(t.switchU&&this.options.ecmaVersion>=9&&(80===e||112===e)){if(t.lastIntValue=-1,t.advance(),t.eat(123)&&this.regexp_eatUnicodePropertyValueExpression(t)&&t.eat(125))return!0;t.raise("Invalid property name")}return!1},St.regexp_eatUnicodePropertyValueExpression=function(t){var e=t.pos;if(this.regexp_eatUnicodePropertyName(t)&&t.eat(61)){var i=t.lastStringValue;if(this.regexp_eatUnicodePropertyValue(t)){var s=t.lastStringValue;return this.regexp_validateUnicodePropertyNameAndValue(t,i,s),!0}}if(t.pos=e,this.regexp_eatLoneUnicodePropertyNameOrValue(t)){var r=t.lastStringValue;return this.regexp_validateUnicodePropertyNameOrValue(t,r),!0}return!1},St.regexp_validateUnicodePropertyNameAndValue=function(t,e,i){Ct.hasOwnProperty(e)&&-1!==Ct[e].indexOf(i)||t.raise("Invalid property name")},St.regexp_validateUnicodePropertyNameOrValue=function(t,e){-1===Ct.$LONE.indexOf(e)&&t.raise("Invalid property name")},St.regexp_eatUnicodePropertyName=function(t){var e=0;for(t.lastStringValue="";b(e=t.current());)t.lastStringValue+=f(e),t.advance();return""!==t.lastStringValue},St.regexp_eatUnicodePropertyValue=function(t){var e=0;for(t.lastStringValue="";k(e=t.current());)t.lastStringValue+=f(e),t.advance();return""!==t.lastStringValue},St.regexp_eatLoneUnicodePropertyNameOrValue=function(t){return this.regexp_eatUnicodePropertyValue(t)},St.regexp_eatCharacterClass=function(t){if(t.eat(91)){if(t.eat(94),this.regexp_classRanges(t),t.eat(93))return!0;t.raise("Unterminated character class")}return!1},St.regexp_classRanges=function(t){for(var e=this;this.regexp_eatClassAtom(t);){var i=t.lastIntValue;if(t.eat(45)&&e.regexp_eatClassAtom(t)){var s=t.lastIntValue;!t.switchU||-1!==i&&-1!==s||t.raise("Invalid character class"),-1!==i&&-1!==s&&i>s&&t.raise("Range out of order in character class")}}},St.regexp_eatClassAtom=function(t){var e=t.pos;if(t.eat(92)){if(this.regexp_eatClassEscape(t))return!0;if(t.switchU){var i=t.current();(99===i||w(i))&&t.raise("Invalid class escape"),t.raise("Invalid escape")}t.pos=e}var s=t.current();return 93!==s&&(t.lastIntValue=s,t.advance(),!0)},St.regexp_eatClassEscape=function(t){var e=t.pos;if(t.eat(98))return t.lastIntValue=8,!0;if(t.switchU&&t.eat(45))return t.lastIntValue=45,!0;if(!t.switchU&&t.eat(99)){if(this.regexp_eatClassControlLetter(t))return!0;t.pos=e}return this.regexp_eatCharacterClassEscape(t)||this.regexp_eatCharacterEscape(t)},St.regexp_eatClassControlLetter=function(t){var e=t.current();return!(!C(e)&&95!==e)&&(t.lastIntValue=e%32,t.advance(),!0)},St.regexp_eatHexEscapeSequence=function(t){var e=t.pos;if(t.eat(120)){if(this.regexp_eatFixedHexDigits(t,2))return!0;t.switchU&&t.raise("Invalid escape"),t.pos=e}return!1},St.regexp_eatDecimalDigits=function(t){var e=t.pos,i=0;for(t.lastIntValue=0;C(i=t.current());)t.lastIntValue=10*t.lastIntValue+(i-48),t.advance();return t.pos!==e},St.regexp_eatHexDigits=function(t){var e=t.pos,i=0;for(t.lastIntValue=0;S(i=t.current());)t.lastIntValue=16*t.lastIntValue+E(i),t.advance();return t.pos!==e},St.regexp_eatLegacyOctalEscapeSequence=function(t){if(this.regexp_eatOctalDigit(t)){var e=t.lastIntValue;if(this.regexp_eatOctalDigit(t)){var i=t.lastIntValue;e<=3&&this.regexp_eatOctalDigit(t)?t.lastIntValue=64*e+8*i+t.lastIntValue:t.lastIntValue=8*e+i}else t.lastIntValue=e;return!0}return!1},St.regexp_eatOctalDigit=function(t){var e=t.current();return w(e)?(t.lastIntValue=e-48,t.advance(),!0):(t.lastIntValue=0,!1)},St.regexp_eatFixedHexDigits=function(t,e){var i=t.pos;t.lastIntValue=0;for(var s=0;s<e;++s){var r=t.current();if(!S(r))return t.pos=i,!1;t.lastIntValue=16*t.lastIntValue+E(r),t.advance()}return!0};var wt=function(t){this.type=t.type,this.value=t.value,this.start=t.start,this.end=t.end,t.options.locations&&(this.loc=new it(t,t.startLoc,t.endLoc)),t.options.ranges&&(this.range=[t.start,t.end])},At=at.prototype;At.next=function(){this.options.onToken&&this.options.onToken(new wt(this)),this.lastTokEnd=this.end,this.lastTokStart=this.start,this.lastTokEndLoc=this.endLoc,this.lastTokStartLoc=this.startLoc,this.nextToken()},At.getToken=function(){return this.next(),new wt(this)},"undefined"!=typeof Symbol&&(At[Symbol.iterator]=function(){var t=this;return{next:function(){var e=t.getToken();return{done:e.type===z.eof,value:e}}}}),At.curContext=function(){return this.context[this.context.length-1]},At.nextToken=function(){var t=this.curContext();return t&&t.preserveSpace||this.skipSpace(),this.start=this.pos,this.options.locations&&(this.startLoc=this.curPosition()),this.pos>=this.input.length?this.finishToken(z.eof):t.override?t.override(this):void this.readToken(this.fullCharCodeAtPos())},At.readToken=function(t){return i(t,this.options.ecmaVersion>=6)||92===t?this.readWord():this.getTokenFromCode(t)},At.fullCharCodeAtPos=function(){var t=this.input.charCodeAt(this.pos);return t<=55295||t>=57344?t:(t<<10)+this.input.charCodeAt(this.pos+1)-56613888},At.skipBlockComment=function(){var t=this,e=this.options.onComment&&this.curPosition(),i=this.pos,s=this.input.indexOf("*/",this.pos+=2);if(-1===s&&this.raise(this.pos-2,"Unterminated comment"),this.pos=s+2,this.options.locations){K.lastIndex=i;for(var r;(r=K.exec(this.input))&&r.index<this.pos;)++t.curLine,t.lineStart=r.index+r[0].length}this.options.onComment&&this.options.onComment(!0,this.input.slice(i+2,s),i,this.pos,e,this.curPosition())},At.skipLineComment=function(t){for(var e=this,i=this.pos,s=this.options.onComment&&this.curPosition(),r=this.input.charCodeAt(this.pos+=t);this.pos<this.input.length&&!n(r);)r=e.input.charCodeAt(++e.pos);this.options.onComment&&this.options.onComment(!1,this.input.slice(i+t,this.pos),i,this.pos,s,this.curPosition())},At.skipSpace=function(){var t=this;t:for(;this.pos<this.input.length;){var e=t.input.charCodeAt(t.pos);switch(e){case 32:case 160:++t.pos;break;case 13:10===t.input.charCodeAt(t.pos+1)&&++t.pos;case 10:case 8232:case 8233:++t.pos,t.options.locations&&(++t.curLine,t.lineStart=t.pos);break;case 47:switch(t.input.charCodeAt(t.pos+1)){case 42:t.skipBlockComment();break;case 47:t.skipLineComment(2);break;default:break t}break;default:if(!(e>8&&e<14||e>=5760&&X.test(String.fromCharCode(e))))break t;++t.pos}}},At.finishToken=function(t,e){this.end=this.pos,this.options.locations&&(this.endLoc=this.curPosition());var i=this.type;this.type=t,this.value=e,this.updateContext(i)},At.readToken_dot=function(){var t=this.input.charCodeAt(this.pos+1);if(t>=48&&t<=57)return this.readNumber(!0);var e=this.input.charCodeAt(this.pos+2);return this.options.ecmaVersion>=6&&46===t&&46===e?(this.pos+=3,this.finishToken(z.ellipsis)):(++this.pos,this.finishToken(z.dot))},At.readToken_slash=function(){var t=this.input.charCodeAt(this.pos+1);return this.exprAllowed?(++this.pos,this.readRegexp()):61===t?this.finishOp(z.assign,2):this.finishOp(z.slash,1)},At.readToken_mult_modulo_exp=function(t){var e=this.input.charCodeAt(this.pos+1),i=1,s=42===t?z.star:z.modulo;return this.options.ecmaVersion>=7&&42==t&&42===e&&(++i,s=z.starstar,e=this.input.charCodeAt(this.pos+2)),61===e?this.finishOp(z.assign,i+1):this.finishOp(s,i)},At.readToken_pipe_amp=function(t){var e=this.input.charCodeAt(this.pos+1);return e===t?this.finishOp(124===t?z.logicalOR:z.logicalAND,2):61===e?this.finishOp(z.assign,2):this.finishOp(124===t?z.bitwiseOR:z.bitwiseAND,1)},At.readToken_caret=function(){return 61===this.input.charCodeAt(this.pos+1)?this.finishOp(z.assign,2):this.finishOp(z.bitwiseXOR,1)},At.readToken_plus_min=function(t){var e=this.input.charCodeAt(this.pos+1);return e===t?45!=e||this.inModule||62!=this.input.charCodeAt(this.pos+2)||0!==this.lastTokEnd&&!Q.test(this.input.slice(this.lastTokEnd,this.pos))?this.finishOp(z.incDec,2):(this.skipLineComment(3),this.skipSpace(),this.nextToken()):61===e?this.finishOp(z.assign,2):this.finishOp(z.plusMin,1)},At.readToken_lt_gt=function(t){var e=this.input.charCodeAt(this.pos+1),i=1;return e===t?(i=62===t&&62===this.input.charCodeAt(this.pos+2)?3:2,61===this.input.charCodeAt(this.pos+i)?this.finishOp(z.assign,i+1):this.finishOp(z.bitShift,i)):33!=e||60!=t||this.inModule||45!=this.input.charCodeAt(this.pos+2)||45!=this.input.charCodeAt(this.pos+3)?(61===e&&(i=2),this.finishOp(z.relational,i)):(this.skipLineComment(4),this.skipSpace(),this.nextToken())},At.readToken_eq_excl=function(t){var e=this.input.charCodeAt(this.pos+1);return 61===e?this.finishOp(z.equality,61===this.input.charCodeAt(this.pos+2)?3:2):61===t&&62===e&&this.options.ecmaVersion>=6?(this.pos+=2,this.finishToken(z.arrow)):this.finishOp(61===t?z.eq:z.prefix,1)},At.getTokenFromCode=function(t){switch(t){case 46:return this.readToken_dot();case 40:return++this.pos,this.finishToken(z.parenL);case 41:return++this.pos,this.finishToken(z.parenR);case 59:return++this.pos,this.finishToken(z.semi);case 44:return++this.pos,this.finishToken(z.comma);case 91:return++this.pos,this.finishToken(z.bracketL);case 93:return++this.pos,this.finishToken(z.bracketR);case 123:return++this.pos,this.finishToken(z.braceL);case 125:return++this.pos,this.finishToken(z.braceR);case 58:return++this.pos,this.finishToken(z.colon);case 63:return++this.pos,this.finishToken(z.question);case 96:if(this.options.ecmaVersion<6)break;return++this.pos,this.finishToken(z.backQuote);case 48:var e=this.input.charCodeAt(this.pos+1);if(120===e||88===e)return this.readRadixNumber(16);if(this.options.ecmaVersion>=6){if(111===e||79===e)return this.readRadixNumber(8);if(98===e||66===e)return this.readRadixNumber(2)}case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:return this.readNumber(!1);case 34:case 39:return this.readString(t);case 47:return this.readToken_slash();case 37:case 42:return this.readToken_mult_modulo_exp(t);case 124:case 38:return this.readToken_pipe_amp(t);case 94:return this.readToken_caret();case 43:case 45:return this.readToken_plus_min(t);case 60:case 62:return this.readToken_lt_gt(t);case 61:case 33:return this.readToken_eq_excl(t);case 126:return this.finishOp(z.prefix,1)}this.raise(this.pos,"Unexpected character '"+A(t)+"'")},At.finishOp=function(t,e){var i=this.input.slice(this.pos,this.pos+e);return this.pos+=e,this.finishToken(t,i)},At.readRegexp=function(){for(var t,e,i=this,s=this.pos;;){i.pos>=i.input.length&&i.raise(s,"Unterminated regular expression");var r=i.input.charAt(i.pos);if(Q.test(r)&&i.raise(s,"Unterminated regular expression"),t)t=!1;else{if("["===r)e=!0;else if("]"===r&&e)e=!1;else if("/"===r&&!e)break;t="\\"===r}++i.pos}var a=this.input.slice(s,this.pos);++this.pos;var n=this.pos,o=this.readWord1();this.containsEsc&&this.unexpected(n);var h=this.regexpState||(this.regexpState=new Et(this));h.reset(s,a,o),this.validateRegExpFlags(h),this.validateRegExpPattern(h);var p=null;try{p=new RegExp(a,o)}catch(t){}return this.finishToken(z.regexp,{pattern:a,flags:o,value:p})},At.readInt=function(t,e){for(var i=this,s=this.pos,r=0,a=0,n=null==e?1/0:e;a<n;++a){var o=i.input.charCodeAt(i.pos),h=void 0;if((h=o>=97?o-97+10:o>=65?o-65+10:o>=48&&o<=57?o-48:1/0)>=t)break;++i.pos,r=r*t+h}return this.pos===s||null!=e&&this.pos-s!==e?null:r},At.readRadixNumber=function(t){this.pos+=2;var e=this.readInt(t);return null==e&&this.raise(this.start+2,"Expected number in radix "+t),i(this.fullCharCodeAtPos())&&this.raise(this.pos,"Identifier directly after number"),this.finishToken(z.num,e)},At.readNumber=function(t){var e=this.pos;t||null!==this.readInt(10)||this.raise(e,"Invalid number");var s=this.pos-e>=2&&48===this.input.charCodeAt(e);s&&this.strict&&this.raise(e,"Invalid number"),s&&/[89]/.test(this.input.slice(e,this.pos))&&(s=!1);var r=this.input.charCodeAt(this.pos);46!==r||s||(++this.pos,this.readInt(10),r=this.input.charCodeAt(this.pos)),69!==r&&101!==r||s||(r=this.input.charCodeAt(++this.pos),43!==r&&45!==r||++this.pos,null===this.readInt(10)&&this.raise(e,"Invalid number")),i(this.fullCharCodeAtPos())&&this.raise(this.pos,"Identifier directly after number");var a=this.input.slice(e,this.pos),n=s?parseInt(a,8):parseFloat(a);return this.finishToken(z.num,n)},At.readCodePoint=function(){var t,e=this.input.charCodeAt(this.pos);if(123===e){this.options.ecmaVersion<6&&this.unexpected();var i=++this.pos;t=this.readHexChar(this.input.indexOf("}",this.pos)-this.pos),++this.pos,t>1114111&&this.invalidStringToken(i,"Code point out of bounds")}else t=this.readHexChar(4);return t},At.readString=function(t){for(var e=this,i="",s=++this.pos;;){e.pos>=e.input.length&&e.raise(e.start,"Unterminated string constant");var r=e.input.charCodeAt(e.pos);if(r===t)break;92===r?(i+=e.input.slice(s,e.pos),i+=e.readEscapedChar(!1),s=e.pos):(n(r)&&e.raise(e.start,"Unterminated string constant"),++e.pos)}return i+=this.input.slice(s,this.pos++),this.finishToken(z.string,i)};var It={};At.tryReadTemplateToken=function(){this.inTemplateElement=!0;try{this.readTmplToken()}catch(t){if(t!==It)throw t;this.readInvalidTemplateToken()}this.inTemplateElement=!1},At.invalidStringToken=function(t,e){if(this.inTemplateElement&&this.options.ecmaVersion>=9)throw It;this.raise(t,e)},At.readTmplToken=function(){for(var t=this,e="",i=this.pos;;){t.pos>=t.input.length&&t.raise(t.start,"Unterminated template");var s=t.input.charCodeAt(t.pos);if(96===s||36===s&&123===t.input.charCodeAt(t.pos+1))return t.pos!==t.start||t.type!==z.template&&t.type!==z.invalidTemplate?(e+=t.input.slice(i,t.pos),t.finishToken(z.template,e)):36===s?(t.pos+=2,t.finishToken(z.dollarBraceL)):(++t.pos,t.finishToken(z.backQuote));if(92===s)e+=t.input.slice(i,t.pos),e+=t.readEscapedChar(!0),i=t.pos;else if(n(s)){switch(e+=t.input.slice(i,t.pos),++t.pos,s){case 13:10===t.input.charCodeAt(t.pos)&&++t.pos;case 10:e+="\n";break;default:e+=String.fromCharCode(s)}t.options.locations&&(++t.curLine,t.lineStart=t.pos),i=t.pos}else++t.pos}},At.readInvalidTemplateToken=function(){for(var t=this;this.pos<this.input.length;this.pos++)switch(t.input[t.pos]){case"\\":++t.pos;break;case"$":if("{"!==t.input[t.pos+1])break;case"`":return t.finishToken(z.invalidTemplate,t.input.slice(t.start,t.pos))}this.raise(this.start,"Unterminated template")},At.readEscapedChar=function(t){var e=this.input.charCodeAt(++this.pos);switch(++this.pos,e){case 110:return"\n";case 114:return"\r";case 120:return String.fromCharCode(this.readHexChar(2));case 117:return A(this.readCodePoint());case 116:return"\t";case 98:return"\b";case 118:return"\v";case 102:return"\f";case 13:10===this.input.charCodeAt(this.pos)&&++this.pos;case 10:return this.options.locations&&(this.lineStart=this.pos,++this.curLine),"";default:if(e>=48&&e<=55){var i=this.input.substr(this.pos-1,3).match(/^[0-7]+/)[0],s=parseInt(i,8);return s>255&&(i=i.slice(0,-1),s=parseInt(i,8)),this.pos+=i.length-1,e=this.input.charCodeAt(this.pos),"0"===i&&56!=e&&57!=e||!this.strict&&!t||this.invalidStringToken(this.pos-1-i.length,t?"Octal literal in template string":"Octal literal in strict mode"),String.fromCharCode(s)}return String.fromCharCode(e)}},At.readHexChar=function(t){var e=this.pos,i=this.readInt(16,t);return null===i&&this.invalidStringToken(e,"Bad character escape sequence"),i},At.readWord1=function(){var t=this;this.containsEsc=!1;for(var e="",r=!0,a=this.pos,n=this.options.ecmaVersion>=6;this.pos<this.input.length;){var o=t.fullCharCodeAtPos();if(s(o,n))t.pos+=o<=65535?1:2;else{if(92!==o)break;t.containsEsc=!0,e+=t.input.slice(a,t.pos);var h=t.pos;117!=t.input.charCodeAt(++t.pos)&&t.invalidStringToken(t.pos,"Expecting Unicode escape sequence \\uXXXX"),++t.pos;var p=t.readCodePoint();(r?i:s)(p,n)||t.invalidStringToken(h,"Invalid Unicode escape"),e+=A(p),a=t.pos}r=!1}return e+this.input.slice(a,this.pos)},At.readWord=function(){var t=this.readWord1(),e=z.name;return this.keywords.test(t)&&(this.containsEsc&&this.raiseRecoverable(this.start,"Escape sequence in keyword "+t),e=j[t]),this.finishToken(e,t)};t.version="5.5.3",t.parse=I,t.parseExpressionAt=P,t.tokenizer=L,t.addLooseExports=N,t.Parser=at,t.plugins=rt,t.defaultOptions=st,t.Position=et,t.SourceLocation=it,t.getLineInfo=h,t.Node=vt,t.TokenType=q,t.tokTypes=z,t.keywordTypes=j,t.TokContext=_t,t.tokContexts=bt,t.isIdentifierChar=s,t.isIdentifierStart=i,t.Token=wt,t.isNewLine=n,t.lineBreak=Q,t.lineBreakG=K,t.nonASCIIwhitespace=X,Object.defineProperty(t,"__esModule",{value:!0})});
-},{}],46:[function(require,module,exports){
+},{}],49:[function(require,module,exports){
 "use strict";function placeHoldersCount(o){var r=o.length;if(r%4>0)throw new Error("Invalid string. Length must be a multiple of 4");return"="===o[r-2]?2:"="===o[r-1]?1:0}function byteLength(o){return 3*o.length/4-placeHoldersCount(o)}function toByteArray(o){var r,e,t,u,n,p=o.length;u=placeHoldersCount(o),n=new Arr(3*p/4-u),e=u>0?p-4:p;var a=0;for(r=0;r<e;r+=4)t=revLookup[o.charCodeAt(r)]<<18|revLookup[o.charCodeAt(r+1)]<<12|revLookup[o.charCodeAt(r+2)]<<6|revLookup[o.charCodeAt(r+3)],n[a++]=t>>16&255,n[a++]=t>>8&255,n[a++]=255&t;return 2===u?(t=revLookup[o.charCodeAt(r)]<<2|revLookup[o.charCodeAt(r+1)]>>4,n[a++]=255&t):1===u&&(t=revLookup[o.charCodeAt(r)]<<10|revLookup[o.charCodeAt(r+1)]<<4|revLookup[o.charCodeAt(r+2)]>>2,n[a++]=t>>8&255,n[a++]=255&t),n}function tripletToBase64(o){return lookup[o>>18&63]+lookup[o>>12&63]+lookup[o>>6&63]+lookup[63&o]}function encodeChunk(o,r,e){for(var t,u=[],n=r;n<e;n+=3)t=(o[n]<<16&16711680)+(o[n+1]<<8&65280)+(255&o[n+2]),u.push(tripletToBase64(t));return u.join("")}function fromByteArray(o){for(var r,e=o.length,t=e%3,u="",n=[],p=0,a=e-t;p<a;p+=16383)n.push(encodeChunk(o,p,p+16383>a?a:p+16383));return 1===t?(r=o[e-1],u+=lookup[r>>2],u+=lookup[r<<4&63],u+="=="):2===t&&(r=(o[e-2]<<8)+o[e-1],u+=lookup[r>>10],u+=lookup[r>>4&63],u+=lookup[r<<2&63],u+="="),n.push(u),n.join("")}exports.byteLength=byteLength,exports.toByteArray=toByteArray,exports.fromByteArray=fromByteArray;for(var lookup=[],revLookup=[],Arr="undefined"!=typeof Uint8Array?Uint8Array:Array,code="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",i=0,len=code.length;i<len;++i)lookup[i]=code[i],revLookup[code.charCodeAt(i)]=i;revLookup["-".charCodeAt(0)]=62,revLookup["_".charCodeAt(0)]=63;
-},{}],47:[function(require,module,exports){
+},{}],50:[function(require,module,exports){
 
-},{}],48:[function(require,module,exports){
+},{}],51:[function(require,module,exports){
 (function (global){
 "use strict";function typedArraySupport(){try{var t=new Uint8Array(1);return t.__proto__={__proto__:Uint8Array.prototype,foo:function(){return 42}},42===t.foo()&&"function"==typeof t.subarray&&0===t.subarray(1,1).byteLength}catch(t){return!1}}function kMaxLength(){return Buffer.TYPED_ARRAY_SUPPORT?2147483647:1073741823}function createBuffer(t,e){if(kMaxLength()<e)throw new RangeError("Invalid typed array length");return Buffer.TYPED_ARRAY_SUPPORT?(t=new Uint8Array(e),t.__proto__=Buffer.prototype):(null===t&&(t=new Buffer(e)),t.length=e),t}function Buffer(t,e,r){if(!(Buffer.TYPED_ARRAY_SUPPORT||this instanceof Buffer))return new Buffer(t,e,r);if("number"==typeof t){if("string"==typeof e)throw new Error("If encoding is specified then the first argument must be a string");return allocUnsafe(this,t)}return from(this,t,e,r)}function from(t,e,r,n){if("number"==typeof e)throw new TypeError('"value" argument must not be a number');return"undefined"!=typeof ArrayBuffer&&e instanceof ArrayBuffer?fromArrayBuffer(t,e,r,n):"string"==typeof e?fromString(t,e,r):fromObject(t,e)}function assertSize(t){if("number"!=typeof t)throw new TypeError('"size" argument must be a number');if(t<0)throw new RangeError('"size" argument must not be negative')}function alloc(t,e,r,n){return assertSize(e),e<=0?createBuffer(t,e):void 0!==r?"string"==typeof n?createBuffer(t,e).fill(r,n):createBuffer(t,e).fill(r):createBuffer(t,e)}function allocUnsafe(t,e){if(assertSize(e),t=createBuffer(t,e<0?0:0|checked(e)),!Buffer.TYPED_ARRAY_SUPPORT)for(var r=0;r<e;++r)t[r]=0;return t}function fromString(t,e,r){if("string"==typeof r&&""!==r||(r="utf8"),!Buffer.isEncoding(r))throw new TypeError('"encoding" must be a valid string encoding');var n=0|byteLength(e,r);t=createBuffer(t,n);var f=t.write(e,r);return f!==n&&(t=t.slice(0,f)),t}function fromArrayLike(t,e){var r=e.length<0?0:0|checked(e.length);t=createBuffer(t,r);for(var n=0;n<r;n+=1)t[n]=255&e[n];return t}function fromArrayBuffer(t,e,r,n){if(e.byteLength,r<0||e.byteLength<r)throw new RangeError("'offset' is out of bounds");if(e.byteLength<r+(n||0))throw new RangeError("'length' is out of bounds");return e=void 0===r&&void 0===n?new Uint8Array(e):void 0===n?new Uint8Array(e,r):new Uint8Array(e,r,n),Buffer.TYPED_ARRAY_SUPPORT?(t=e,t.__proto__=Buffer.prototype):t=fromArrayLike(t,e),t}function fromObject(t,e){if(Buffer.isBuffer(e)){var r=0|checked(e.length);return t=createBuffer(t,r),0===t.length?t:(e.copy(t,0,0,r),t)}if(e){if("undefined"!=typeof ArrayBuffer&&e.buffer instanceof ArrayBuffer||"length"in e)return"number"!=typeof e.length||isnan(e.length)?createBuffer(t,0):fromArrayLike(t,e);if("Buffer"===e.type&&isArray(e.data))return fromArrayLike(t,e.data)}throw new TypeError("First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.")}function checked(t){if(t>=kMaxLength())throw new RangeError("Attempt to allocate Buffer larger than maximum size: 0x"+kMaxLength().toString(16)+" bytes");return 0|t}function SlowBuffer(t){return+t!=t&&(t=0),Buffer.alloc(+t)}function byteLength(t,e){if(Buffer.isBuffer(t))return t.length;if("undefined"!=typeof ArrayBuffer&&"function"==typeof ArrayBuffer.isView&&(ArrayBuffer.isView(t)||t instanceof ArrayBuffer))return t.byteLength;"string"!=typeof t&&(t=""+t);var r=t.length;if(0===r)return 0;for(var n=!1;;)switch(e){case"ascii":case"latin1":case"binary":return r;case"utf8":case"utf-8":case void 0:return utf8ToBytes(t).length;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return 2*r;case"hex":return r>>>1;case"base64":return base64ToBytes(t).length;default:if(n)return utf8ToBytes(t).length;e=(""+e).toLowerCase(),n=!0}}function slowToString(t,e,r){var n=!1;if((void 0===e||e<0)&&(e=0),e>this.length)return"";if((void 0===r||r>this.length)&&(r=this.length),r<=0)return"";if(r>>>=0,e>>>=0,r<=e)return"";for(t||(t="utf8");;)switch(t){case"hex":return hexSlice(this,e,r);case"utf8":case"utf-8":return utf8Slice(this,e,r);case"ascii":return asciiSlice(this,e,r);case"latin1":case"binary":return latin1Slice(this,e,r);case"base64":return base64Slice(this,e,r);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return utf16leSlice(this,e,r);default:if(n)throw new TypeError("Unknown encoding: "+t);t=(t+"").toLowerCase(),n=!0}}function swap(t,e,r){var n=t[e];t[e]=t[r],t[r]=n}function bidirectionalIndexOf(t,e,r,n,f){if(0===t.length)return-1;if("string"==typeof r?(n=r,r=0):r>2147483647?r=2147483647:r<-2147483648&&(r=-2147483648),r=+r,isNaN(r)&&(r=f?0:t.length-1),r<0&&(r=t.length+r),r>=t.length){if(f)return-1;r=t.length-1}else if(r<0){if(!f)return-1;r=0}if("string"==typeof e&&(e=Buffer.from(e,n)),Buffer.isBuffer(e))return 0===e.length?-1:arrayIndexOf(t,e,r,n,f);if("number"==typeof e)return e&=255,Buffer.TYPED_ARRAY_SUPPORT&&"function"==typeof Uint8Array.prototype.indexOf?f?Uint8Array.prototype.indexOf.call(t,e,r):Uint8Array.prototype.lastIndexOf.call(t,e,r):arrayIndexOf(t,[e],r,n,f);throw new TypeError("val must be string, number or Buffer")}function arrayIndexOf(t,e,r,n,f){function i(t,e){return 1===o?t[e]:t.readUInt16BE(e*o)}var o=1,u=t.length,s=e.length;if(void 0!==n&&("ucs2"===(n=String(n).toLowerCase())||"ucs-2"===n||"utf16le"===n||"utf-16le"===n)){if(t.length<2||e.length<2)return-1;o=2,u/=2,s/=2,r/=2}var a;if(f){var h=-1;for(a=r;a<u;a++)if(i(t,a)===i(e,-1===h?0:a-h)){if(-1===h&&(h=a),a-h+1===s)return h*o}else-1!==h&&(a-=a-h),h=-1}else for(r+s>u&&(r=u-s),a=r;a>=0;a--){for(var c=!0,l=0;l<s;l++)if(i(t,a+l)!==i(e,l)){c=!1;break}if(c)return a}return-1}function hexWrite(t,e,r,n){r=Number(r)||0;var f=t.length-r;n?(n=Number(n))>f&&(n=f):n=f;var i=e.length;if(i%2!=0)throw new TypeError("Invalid hex string");n>i/2&&(n=i/2);for(var o=0;o<n;++o){var u=parseInt(e.substr(2*o,2),16);if(isNaN(u))return o;t[r+o]=u}return o}function utf8Write(t,e,r,n){return blitBuffer(utf8ToBytes(e,t.length-r),t,r,n)}function asciiWrite(t,e,r,n){return blitBuffer(asciiToBytes(e),t,r,n)}function latin1Write(t,e,r,n){return asciiWrite(t,e,r,n)}function base64Write(t,e,r,n){return blitBuffer(base64ToBytes(e),t,r,n)}function ucs2Write(t,e,r,n){return blitBuffer(utf16leToBytes(e,t.length-r),t,r,n)}function base64Slice(t,e,r){return 0===e&&r===t.length?base64.fromByteArray(t):base64.fromByteArray(t.slice(e,r))}function utf8Slice(t,e,r){r=Math.min(t.length,r);for(var n=[],f=e;f<r;){var i=t[f],o=null,u=i>239?4:i>223?3:i>191?2:1;if(f+u<=r){var s,a,h,c;switch(u){case 1:i<128&&(o=i);break;case 2:s=t[f+1],128==(192&s)&&(c=(31&i)<<6|63&s)>127&&(o=c);break;case 3:s=t[f+1],a=t[f+2],128==(192&s)&&128==(192&a)&&(c=(15&i)<<12|(63&s)<<6|63&a)>2047&&(c<55296||c>57343)&&(o=c);break;case 4:s=t[f+1],a=t[f+2],h=t[f+3],128==(192&s)&&128==(192&a)&&128==(192&h)&&(c=(15&i)<<18|(63&s)<<12|(63&a)<<6|63&h)>65535&&c<1114112&&(o=c)}}null===o?(o=65533,u=1):o>65535&&(o-=65536,n.push(o>>>10&1023|55296),o=56320|1023&o),n.push(o),f+=u}return decodeCodePointsArray(n)}function decodeCodePointsArray(t){var e=t.length;if(e<=MAX_ARGUMENTS_LENGTH)return String.fromCharCode.apply(String,t);for(var r="",n=0;n<e;)r+=String.fromCharCode.apply(String,t.slice(n,n+=MAX_ARGUMENTS_LENGTH));return r}function asciiSlice(t,e,r){var n="";r=Math.min(t.length,r);for(var f=e;f<r;++f)n+=String.fromCharCode(127&t[f]);return n}function latin1Slice(t,e,r){var n="";r=Math.min(t.length,r);for(var f=e;f<r;++f)n+=String.fromCharCode(t[f]);return n}function hexSlice(t,e,r){var n=t.length;(!e||e<0)&&(e=0),(!r||r<0||r>n)&&(r=n);for(var f="",i=e;i<r;++i)f+=toHex(t[i]);return f}function utf16leSlice(t,e,r){for(var n=t.slice(e,r),f="",i=0;i<n.length;i+=2)f+=String.fromCharCode(n[i]+256*n[i+1]);return f}function checkOffset(t,e,r){if(t%1!=0||t<0)throw new RangeError("offset is not uint");if(t+e>r)throw new RangeError("Trying to access beyond buffer length")}function checkInt(t,e,r,n,f,i){if(!Buffer.isBuffer(t))throw new TypeError('"buffer" argument must be a Buffer instance');if(e>f||e<i)throw new RangeError('"value" argument is out of bounds');if(r+n>t.length)throw new RangeError("Index out of range")}function objectWriteUInt16(t,e,r,n){e<0&&(e=65535+e+1);for(var f=0,i=Math.min(t.length-r,2);f<i;++f)t[r+f]=(e&255<<8*(n?f:1-f))>>>8*(n?f:1-f)}function objectWriteUInt32(t,e,r,n){e<0&&(e=4294967295+e+1);for(var f=0,i=Math.min(t.length-r,4);f<i;++f)t[r+f]=e>>>8*(n?f:3-f)&255}function checkIEEE754(t,e,r,n,f,i){if(r+n>t.length)throw new RangeError("Index out of range");if(r<0)throw new RangeError("Index out of range")}function writeFloat(t,e,r,n,f){return f||checkIEEE754(t,e,r,4,3.4028234663852886e38,-3.4028234663852886e38),ieee754.write(t,e,r,n,23,4),r+4}function writeDouble(t,e,r,n,f){return f||checkIEEE754(t,e,r,8,1.7976931348623157e308,-1.7976931348623157e308),ieee754.write(t,e,r,n,52,8),r+8}function base64clean(t){if(t=stringtrim(t).replace(INVALID_BASE64_RE,""),t.length<2)return"";for(;t.length%4!=0;)t+="=";return t}function stringtrim(t){return t.trim?t.trim():t.replace(/^\s+|\s+$/g,"")}function toHex(t){return t<16?"0"+t.toString(16):t.toString(16)}function utf8ToBytes(t,e){e=e||1/0;for(var r,n=t.length,f=null,i=[],o=0;o<n;++o){if((r=t.charCodeAt(o))>55295&&r<57344){if(!f){if(r>56319){(e-=3)>-1&&i.push(239,191,189);continue}if(o+1===n){(e-=3)>-1&&i.push(239,191,189);continue}f=r;continue}if(r<56320){(e-=3)>-1&&i.push(239,191,189),f=r;continue}r=65536+(f-55296<<10|r-56320)}else f&&(e-=3)>-1&&i.push(239,191,189);if(f=null,r<128){if((e-=1)<0)break;i.push(r)}else if(r<2048){if((e-=2)<0)break;i.push(r>>6|192,63&r|128)}else if(r<65536){if((e-=3)<0)break;i.push(r>>12|224,r>>6&63|128,63&r|128)}else{if(!(r<1114112))throw new Error("Invalid code point");if((e-=4)<0)break;i.push(r>>18|240,r>>12&63|128,r>>6&63|128,63&r|128)}}return i}function asciiToBytes(t){for(var e=[],r=0;r<t.length;++r)e.push(255&t.charCodeAt(r));return e}function utf16leToBytes(t,e){for(var r,n,f,i=[],o=0;o<t.length&&!((e-=2)<0);++o)r=t.charCodeAt(o),n=r>>8,f=r%256,i.push(f),i.push(n);return i}function base64ToBytes(t){return base64.toByteArray(base64clean(t))}function blitBuffer(t,e,r,n){for(var f=0;f<n&&!(f+r>=e.length||f>=t.length);++f)e[f+r]=t[f];return f}function isnan(t){return t!==t}var base64=require("base64-js"),ieee754=require("ieee754"),isArray=require("isarray");exports.Buffer=Buffer,exports.SlowBuffer=SlowBuffer,exports.INSPECT_MAX_BYTES=50,Buffer.TYPED_ARRAY_SUPPORT=void 0!==global.TYPED_ARRAY_SUPPORT?global.TYPED_ARRAY_SUPPORT:typedArraySupport(),exports.kMaxLength=kMaxLength(),Buffer.poolSize=8192,Buffer._augment=function(t){return t.__proto__=Buffer.prototype,t},Buffer.from=function(t,e,r){return from(null,t,e,r)},Buffer.TYPED_ARRAY_SUPPORT&&(Buffer.prototype.__proto__=Uint8Array.prototype,Buffer.__proto__=Uint8Array,"undefined"!=typeof Symbol&&Symbol.species&&Buffer[Symbol.species]===Buffer&&Object.defineProperty(Buffer,Symbol.species,{value:null,configurable:!0})),Buffer.alloc=function(t,e,r){return alloc(null,t,e,r)},Buffer.allocUnsafe=function(t){return allocUnsafe(null,t)},Buffer.allocUnsafeSlow=function(t){return allocUnsafe(null,t)},Buffer.isBuffer=function(t){return!(null==t||!t._isBuffer)},Buffer.compare=function(t,e){if(!Buffer.isBuffer(t)||!Buffer.isBuffer(e))throw new TypeError("Arguments must be Buffers");if(t===e)return 0;for(var r=t.length,n=e.length,f=0,i=Math.min(r,n);f<i;++f)if(t[f]!==e[f]){r=t[f],n=e[f];break}return r<n?-1:n<r?1:0},Buffer.isEncoding=function(t){switch(String(t).toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"latin1":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return!0;default:return!1}},Buffer.concat=function(t,e){if(!isArray(t))throw new TypeError('"list" argument must be an Array of Buffers');if(0===t.length)return Buffer.alloc(0);var r;if(void 0===e)for(e=0,r=0;r<t.length;++r)e+=t[r].length;var n=Buffer.allocUnsafe(e),f=0;for(r=0;r<t.length;++r){var i=t[r];if(!Buffer.isBuffer(i))throw new TypeError('"list" argument must be an Array of Buffers');i.copy(n,f),f+=i.length}return n},Buffer.byteLength=byteLength,Buffer.prototype._isBuffer=!0,Buffer.prototype.swap16=function(){var t=this.length;if(t%2!=0)throw new RangeError("Buffer size must be a multiple of 16-bits");for(var e=0;e<t;e+=2)swap(this,e,e+1);return this},Buffer.prototype.swap32=function(){var t=this.length;if(t%4!=0)throw new RangeError("Buffer size must be a multiple of 32-bits");for(var e=0;e<t;e+=4)swap(this,e,e+3),swap(this,e+1,e+2);return this},Buffer.prototype.swap64=function(){var t=this.length;if(t%8!=0)throw new RangeError("Buffer size must be a multiple of 64-bits");for(var e=0;e<t;e+=8)swap(this,e,e+7),swap(this,e+1,e+6),swap(this,e+2,e+5),swap(this,e+3,e+4);return this},Buffer.prototype.toString=function(){var t=0|this.length;return 0===t?"":0===arguments.length?utf8Slice(this,0,t):slowToString.apply(this,arguments)},Buffer.prototype.equals=function(t){if(!Buffer.isBuffer(t))throw new TypeError("Argument must be a Buffer");return this===t||0===Buffer.compare(this,t)},Buffer.prototype.inspect=function(){var t="",e=exports.INSPECT_MAX_BYTES;return this.length>0&&(t=this.toString("hex",0,e).match(/.{2}/g).join(" "),this.length>e&&(t+=" ... ")),"<Buffer "+t+">"},Buffer.prototype.compare=function(t,e,r,n,f){if(!Buffer.isBuffer(t))throw new TypeError("Argument must be a Buffer");if(void 0===e&&(e=0),void 0===r&&(r=t?t.length:0),void 0===n&&(n=0),void 0===f&&(f=this.length),e<0||r>t.length||n<0||f>this.length)throw new RangeError("out of range index");if(n>=f&&e>=r)return 0;if(n>=f)return-1;if(e>=r)return 1;if(e>>>=0,r>>>=0,n>>>=0,f>>>=0,this===t)return 0;for(var i=f-n,o=r-e,u=Math.min(i,o),s=this.slice(n,f),a=t.slice(e,r),h=0;h<u;++h)if(s[h]!==a[h]){i=s[h],o=a[h];break}return i<o?-1:o<i?1:0},Buffer.prototype.includes=function(t,e,r){return-1!==this.indexOf(t,e,r)},Buffer.prototype.indexOf=function(t,e,r){return bidirectionalIndexOf(this,t,e,r,!0)},Buffer.prototype.lastIndexOf=function(t,e,r){return bidirectionalIndexOf(this,t,e,r,!1)},Buffer.prototype.write=function(t,e,r,n){if(void 0===e)n="utf8",r=this.length,e=0;else if(void 0===r&&"string"==typeof e)n=e,r=this.length,e=0;else{if(!isFinite(e))throw new Error("Buffer.write(string, encoding, offset[, length]) is no longer supported");e|=0,isFinite(r)?(r|=0,void 0===n&&(n="utf8")):(n=r,r=void 0)}var f=this.length-e;if((void 0===r||r>f)&&(r=f),t.length>0&&(r<0||e<0)||e>this.length)throw new RangeError("Attempt to write outside buffer bounds");n||(n="utf8");for(var i=!1;;)switch(n){case"hex":return hexWrite(this,t,e,r);case"utf8":case"utf-8":return utf8Write(this,t,e,r);case"ascii":return asciiWrite(this,t,e,r);case"latin1":case"binary":return latin1Write(this,t,e,r);case"base64":return base64Write(this,t,e,r);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return ucs2Write(this,t,e,r);default:if(i)throw new TypeError("Unknown encoding: "+n);n=(""+n).toLowerCase(),i=!0}},Buffer.prototype.toJSON=function(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};var MAX_ARGUMENTS_LENGTH=4096;Buffer.prototype.slice=function(t,e){var r=this.length;t=~~t,e=void 0===e?r:~~e,t<0?(t+=r)<0&&(t=0):t>r&&(t=r),e<0?(e+=r)<0&&(e=0):e>r&&(e=r),e<t&&(e=t);var n;if(Buffer.TYPED_ARRAY_SUPPORT)n=this.subarray(t,e),n.__proto__=Buffer.prototype;else{var f=e-t;n=new Buffer(f,void 0);for(var i=0;i<f;++i)n[i]=this[i+t]}return n},Buffer.prototype.readUIntLE=function(t,e,r){t|=0,e|=0,r||checkOffset(t,e,this.length);for(var n=this[t],f=1,i=0;++i<e&&(f*=256);)n+=this[t+i]*f;return n},Buffer.prototype.readUIntBE=function(t,e,r){t|=0,e|=0,r||checkOffset(t,e,this.length);for(var n=this[t+--e],f=1;e>0&&(f*=256);)n+=this[t+--e]*f;return n},Buffer.prototype.readUInt8=function(t,e){return e||checkOffset(t,1,this.length),this[t]},Buffer.prototype.readUInt16LE=function(t,e){return e||checkOffset(t,2,this.length),this[t]|this[t+1]<<8},Buffer.prototype.readUInt16BE=function(t,e){return e||checkOffset(t,2,this.length),this[t]<<8|this[t+1]},Buffer.prototype.readUInt32LE=function(t,e){return e||checkOffset(t,4,this.length),(this[t]|this[t+1]<<8|this[t+2]<<16)+16777216*this[t+3]},Buffer.prototype.readUInt32BE=function(t,e){return e||checkOffset(t,4,this.length),16777216*this[t]+(this[t+1]<<16|this[t+2]<<8|this[t+3])},Buffer.prototype.readIntLE=function(t,e,r){t|=0,e|=0,r||checkOffset(t,e,this.length);for(var n=this[t],f=1,i=0;++i<e&&(f*=256);)n+=this[t+i]*f;return f*=128,n>=f&&(n-=Math.pow(2,8*e)),n},Buffer.prototype.readIntBE=function(t,e,r){t|=0,e|=0,r||checkOffset(t,e,this.length);for(var n=e,f=1,i=this[t+--n];n>0&&(f*=256);)i+=this[t+--n]*f;return f*=128,i>=f&&(i-=Math.pow(2,8*e)),i},Buffer.prototype.readInt8=function(t,e){return e||checkOffset(t,1,this.length),128&this[t]?-1*(255-this[t]+1):this[t]},Buffer.prototype.readInt16LE=function(t,e){e||checkOffset(t,2,this.length);var r=this[t]|this[t+1]<<8;return 32768&r?4294901760|r:r},Buffer.prototype.readInt16BE=function(t,e){e||checkOffset(t,2,this.length);var r=this[t+1]|this[t]<<8;return 32768&r?4294901760|r:r},Buffer.prototype.readInt32LE=function(t,e){return e||checkOffset(t,4,this.length),this[t]|this[t+1]<<8|this[t+2]<<16|this[t+3]<<24},Buffer.prototype.readInt32BE=function(t,e){return e||checkOffset(t,4,this.length),this[t]<<24|this[t+1]<<16|this[t+2]<<8|this[t+3]},Buffer.prototype.readFloatLE=function(t,e){return e||checkOffset(t,4,this.length),ieee754.read(this,t,!0,23,4)},Buffer.prototype.readFloatBE=function(t,e){return e||checkOffset(t,4,this.length),ieee754.read(this,t,!1,23,4)},Buffer.prototype.readDoubleLE=function(t,e){return e||checkOffset(t,8,this.length),ieee754.read(this,t,!0,52,8)},Buffer.prototype.readDoubleBE=function(t,e){return e||checkOffset(t,8,this.length),ieee754.read(this,t,!1,52,8)},Buffer.prototype.writeUIntLE=function(t,e,r,n){if(t=+t,e|=0,r|=0,!n){checkInt(this,t,e,r,Math.pow(2,8*r)-1,0)}var f=1,i=0;for(this[e]=255&t;++i<r&&(f*=256);)this[e+i]=t/f&255;return e+r},Buffer.prototype.writeUIntBE=function(t,e,r,n){if(t=+t,e|=0,r|=0,!n){checkInt(this,t,e,r,Math.pow(2,8*r)-1,0)}var f=r-1,i=1;for(this[e+f]=255&t;--f>=0&&(i*=256);)this[e+f]=t/i&255;return e+r},Buffer.prototype.writeUInt8=function(t,e,r){return t=+t,e|=0,r||checkInt(this,t,e,1,255,0),Buffer.TYPED_ARRAY_SUPPORT||(t=Math.floor(t)),this[e]=255&t,e+1},Buffer.prototype.writeUInt16LE=function(t,e,r){return t=+t,e|=0,r||checkInt(this,t,e,2,65535,0),Buffer.TYPED_ARRAY_SUPPORT?(this[e]=255&t,this[e+1]=t>>>8):objectWriteUInt16(this,t,e,!0),e+2},Buffer.prototype.writeUInt16BE=function(t,e,r){return t=+t,e|=0,r||checkInt(this,t,e,2,65535,0),Buffer.TYPED_ARRAY_SUPPORT?(this[e]=t>>>8,this[e+1]=255&t):objectWriteUInt16(this,t,e,!1),e+2},Buffer.prototype.writeUInt32LE=function(t,e,r){return t=+t,e|=0,r||checkInt(this,t,e,4,4294967295,0),Buffer.TYPED_ARRAY_SUPPORT?(this[e+3]=t>>>24,this[e+2]=t>>>16,this[e+1]=t>>>8,this[e]=255&t):objectWriteUInt32(this,t,e,!0),e+4},Buffer.prototype.writeUInt32BE=function(t,e,r){return t=+t,e|=0,r||checkInt(this,t,e,4,4294967295,0),Buffer.TYPED_ARRAY_SUPPORT?(this[e]=t>>>24,this[e+1]=t>>>16,this[e+2]=t>>>8,this[e+3]=255&t):objectWriteUInt32(this,t,e,!1),e+4},Buffer.prototype.writeIntLE=function(t,e,r,n){if(t=+t,e|=0,!n){var f=Math.pow(2,8*r-1);checkInt(this,t,e,r,f-1,-f)}var i=0,o=1,u=0;for(this[e]=255&t;++i<r&&(o*=256);)t<0&&0===u&&0!==this[e+i-1]&&(u=1),this[e+i]=(t/o>>0)-u&255;return e+r},Buffer.prototype.writeIntBE=function(t,e,r,n){if(t=+t,e|=0,!n){var f=Math.pow(2,8*r-1);checkInt(this,t,e,r,f-1,-f)}var i=r-1,o=1,u=0;for(this[e+i]=255&t;--i>=0&&(o*=256);)t<0&&0===u&&0!==this[e+i+1]&&(u=1),this[e+i]=(t/o>>0)-u&255;return e+r},Buffer.prototype.writeInt8=function(t,e,r){return t=+t,e|=0,r||checkInt(this,t,e,1,127,-128),Buffer.TYPED_ARRAY_SUPPORT||(t=Math.floor(t)),t<0&&(t=255+t+1),this[e]=255&t,e+1},Buffer.prototype.writeInt16LE=function(t,e,r){return t=+t,e|=0,r||checkInt(this,t,e,2,32767,-32768),Buffer.TYPED_ARRAY_SUPPORT?(this[e]=255&t,this[e+1]=t>>>8):objectWriteUInt16(this,t,e,!0),e+2},Buffer.prototype.writeInt16BE=function(t,e,r){return t=+t,e|=0,r||checkInt(this,t,e,2,32767,-32768),Buffer.TYPED_ARRAY_SUPPORT?(this[e]=t>>>8,this[e+1]=255&t):objectWriteUInt16(this,t,e,!1),e+2},Buffer.prototype.writeInt32LE=function(t,e,r){return t=+t,e|=0,r||checkInt(this,t,e,4,2147483647,-2147483648),Buffer.TYPED_ARRAY_SUPPORT?(this[e]=255&t,this[e+1]=t>>>8,this[e+2]=t>>>16,this[e+3]=t>>>24):objectWriteUInt32(this,t,e,!0),e+4},Buffer.prototype.writeInt32BE=function(t,e,r){return t=+t,e|=0,r||checkInt(this,t,e,4,2147483647,-2147483648),t<0&&(t=4294967295+t+1),Buffer.TYPED_ARRAY_SUPPORT?(this[e]=t>>>24,this[e+1]=t>>>16,this[e+2]=t>>>8,this[e+3]=255&t):objectWriteUInt32(this,t,e,!1),e+4},Buffer.prototype.writeFloatLE=function(t,e,r){return writeFloat(this,t,e,!0,r)},Buffer.prototype.writeFloatBE=function(t,e,r){return writeFloat(this,t,e,!1,r)},Buffer.prototype.writeDoubleLE=function(t,e,r){return writeDouble(this,t,e,!0,r)},Buffer.prototype.writeDoubleBE=function(t,e,r){return writeDouble(this,t,e,!1,r)},Buffer.prototype.copy=function(t,e,r,n){if(r||(r=0),n||0===n||(n=this.length),e>=t.length&&(e=t.length),e||(e=0),n>0&&n<r&&(n=r),n===r)return 0;if(0===t.length||0===this.length)return 0;if(e<0)throw new RangeError("targetStart out of bounds");if(r<0||r>=this.length)throw new RangeError("sourceStart out of bounds");if(n<0)throw new RangeError("sourceEnd out of bounds");n>this.length&&(n=this.length),t.length-e<n-r&&(n=t.length-e+r);var f,i=n-r;if(this===t&&r<e&&e<n)for(f=i-1;f>=0;--f)t[f+e]=this[f+r];else if(i<1e3||!Buffer.TYPED_ARRAY_SUPPORT)for(f=0;f<i;++f)t[f+e]=this[f+r];else Uint8Array.prototype.set.call(t,this.subarray(r,r+i),e);return i},Buffer.prototype.fill=function(t,e,r,n){if("string"==typeof t){if("string"==typeof e?(n=e,e=0,r=this.length):"string"==typeof r&&(n=r,r=this.length),1===t.length){var f=t.charCodeAt(0);f<256&&(t=f)}if(void 0!==n&&"string"!=typeof n)throw new TypeError("encoding must be a string");if("string"==typeof n&&!Buffer.isEncoding(n))throw new TypeError("Unknown encoding: "+n)}else"number"==typeof t&&(t&=255);if(e<0||this.length<e||this.length<r)throw new RangeError("Out of range index");if(r<=e)return this;e>>>=0,r=void 0===r?this.length:r>>>0,t||(t=0);var i;if("number"==typeof t)for(i=e;i<r;++i)this[i]=t;else{var o=Buffer.isBuffer(t)?t:utf8ToBytes(new Buffer(t,n).toString()),u=o.length;for(i=0;i<r-e;++i)this[i+e]=o[i%u]}return this};var INVALID_BASE64_RE=/[^+\/0-9A-Za-z-_]/g;
 
 }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"base64-js":46,"ieee754":85,"isarray":49}],49:[function(require,module,exports){
+},{"base64-js":49,"ieee754":88,"isarray":52}],52:[function(require,module,exports){
 var toString={}.toString;module.exports=Array.isArray||function(r){return"[object Array]"==toString.call(r)};
-},{}],50:[function(require,module,exports){
+},{}],53:[function(require,module,exports){
 (function (Buffer){
 function isArray(r){return Array.isArray?Array.isArray(r):"[object Array]"===objectToString(r)}function isBoolean(r){return"boolean"==typeof r}function isNull(r){return null===r}function isNullOrUndefined(r){return null==r}function isNumber(r){return"number"==typeof r}function isString(r){return"string"==typeof r}function isSymbol(r){return"symbol"==typeof r}function isUndefined(r){return void 0===r}function isRegExp(r){return"[object RegExp]"===objectToString(r)}function isObject(r){return"object"==typeof r&&null!==r}function isDate(r){return"[object Date]"===objectToString(r)}function isError(r){return"[object Error]"===objectToString(r)||r instanceof Error}function isFunction(r){return"function"==typeof r}function isPrimitive(r){return null===r||"boolean"==typeof r||"number"==typeof r||"string"==typeof r||"symbol"==typeof r||void 0===r}function objectToString(r){return Object.prototype.toString.call(r)}exports.isArray=isArray,exports.isBoolean=isBoolean,exports.isNull=isNull,exports.isNullOrUndefined=isNullOrUndefined,exports.isNumber=isNumber,exports.isString=isString,exports.isSymbol=isSymbol,exports.isUndefined=isUndefined,exports.isRegExp=isRegExp,exports.isObject=isObject,exports.isDate=isDate,exports.isError=isError,exports.isFunction=isFunction,exports.isPrimitive=isPrimitive,exports.isBuffer=Buffer.isBuffer;
 
 }).call(this,{"isBuffer":require("../../is-buffer/index.js")})
-},{"../../is-buffer/index.js":87}],51:[function(require,module,exports){
+},{"../../is-buffer/index.js":90}],54:[function(require,module,exports){
 function EventEmitter(){this._events=this._events||{},this._maxListeners=this._maxListeners||void 0}function isFunction(e){return"function"==typeof e}function isNumber(e){return"number"==typeof e}function isObject(e){return"object"==typeof e&&null!==e}function isUndefined(e){return void 0===e}module.exports=EventEmitter,EventEmitter.EventEmitter=EventEmitter,EventEmitter.prototype._events=void 0,EventEmitter.prototype._maxListeners=void 0,EventEmitter.defaultMaxListeners=10,EventEmitter.prototype.setMaxListeners=function(e){if(!isNumber(e)||e<0||isNaN(e))throw TypeError("n must be a positive number");return this._maxListeners=e,this},EventEmitter.prototype.emit=function(e){var t,i,n,s,r,o;if(this._events||(this._events={}),"error"===e&&(!this._events.error||isObject(this._events.error)&&!this._events.error.length)){if((t=arguments[1])instanceof Error)throw t;var h=new Error('Uncaught, unspecified "error" event. ('+t+")");throw h.context=t,h}if(i=this._events[e],isUndefined(i))return!1;if(isFunction(i))switch(arguments.length){case 1:i.call(this);break;case 2:i.call(this,arguments[1]);break;case 3:i.call(this,arguments[1],arguments[2]);break;default:s=Array.prototype.slice.call(arguments,1),i.apply(this,s)}else if(isObject(i))for(s=Array.prototype.slice.call(arguments,1),o=i.slice(),n=o.length,r=0;r<n;r++)o[r].apply(this,s);return!0},EventEmitter.prototype.addListener=function(e,t){var i;if(!isFunction(t))throw TypeError("listener must be a function");return this._events||(this._events={}),this._events.newListener&&this.emit("newListener",e,isFunction(t.listener)?t.listener:t),this._events[e]?isObject(this._events[e])?this._events[e].push(t):this._events[e]=[this._events[e],t]:this._events[e]=t,isObject(this._events[e])&&!this._events[e].warned&&(i=isUndefined(this._maxListeners)?EventEmitter.defaultMaxListeners:this._maxListeners)&&i>0&&this._events[e].length>i&&(this._events[e].warned=!0,console.error("(node) warning: possible EventEmitter memory leak detected. %d listeners added. Use emitter.setMaxListeners() to increase limit.",this._events[e].length),"function"==typeof console.trace&&console.trace()),this},EventEmitter.prototype.on=EventEmitter.prototype.addListener,EventEmitter.prototype.once=function(e,t){function i(){this.removeListener(e,i),n||(n=!0,t.apply(this,arguments))}if(!isFunction(t))throw TypeError("listener must be a function");var n=!1;return i.listener=t,this.on(e,i),this},EventEmitter.prototype.removeListener=function(e,t){var i,n,s,r;if(!isFunction(t))throw TypeError("listener must be a function");if(!this._events||!this._events[e])return this;if(i=this._events[e],s=i.length,n=-1,i===t||isFunction(i.listener)&&i.listener===t)delete this._events[e],this._events.removeListener&&this.emit("removeListener",e,t);else if(isObject(i)){for(r=s;r-- >0;)if(i[r]===t||i[r].listener&&i[r].listener===t){n=r;break}if(n<0)return this;1===i.length?(i.length=0,delete this._events[e]):i.splice(n,1),this._events.removeListener&&this.emit("removeListener",e,t)}return this},EventEmitter.prototype.removeAllListeners=function(e){var t,i;if(!this._events)return this;if(!this._events.removeListener)return 0===arguments.length?this._events={}:this._events[e]&&delete this._events[e],this;if(0===arguments.length){for(t in this._events)"removeListener"!==t&&this.removeAllListeners(t);return this.removeAllListeners("removeListener"),this._events={},this}if(i=this._events[e],isFunction(i))this.removeListener(e,i);else if(i)for(;i.length;)this.removeListener(e,i[i.length-1]);return delete this._events[e],this},EventEmitter.prototype.listeners=function(e){return this._events&&this._events[e]?isFunction(this._events[e])?[this._events[e]]:this._events[e].slice():[]},EventEmitter.prototype.listenerCount=function(e){if(this._events){var t=this._events[e];if(isFunction(t))return 1;if(t)return t.length}return 0},EventEmitter.listenerCount=function(e,t){return e.listenerCount(t)};
-},{}],52:[function(require,module,exports){
+},{}],55:[function(require,module,exports){
 "use strict";function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function _inherits(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}var FunctionBuilderBase=require("../function-builder-base"),CPUFunctionNode=require("./function-node");module.exports=function(e){function t(){_classCallCheck(this,t);var e=_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return e.Node=CPUFunctionNode,e}return _inherits(t,e),t}(FunctionBuilderBase);
 
-},{"../function-builder-base":57,"./function-node":53}],53:[function(require,module,exports){
+},{"../function-builder-base":60,"./function-node":56}],56:[function(require,module,exports){
 "use strict";function _classCallCheck(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function _inherits(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}var _createClass=function(){function t(t,e){for(var s=0;s<e.length;s++){var n=e[s];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}return function(e,s,n){return s&&t(e.prototype,s),n&&t(e,n),e}}(),BaseFunctionNode=require("../function-node-base"),utils=require("../../core/utils");module.exports=function(t){function e(){return _classCallCheck(this,e),_possibleConstructorReturn(this,(e.__proto__||Object.getPrototypeOf(e)).apply(this,arguments))}return _inherits(e,t),_createClass(e,[{key:"generate",value:function(){return this.debug&&console.log(this),this.functionStringArray=this.astGeneric(this.getJsAST(),[],this),this.functionString=this.functionStringArray.join("").trim(),this.functionString}},{key:"getFunctionPrototypeString",value:function(){return this.webGlFunctionPrototypeString?this.webGlFunctionPrototypeString:this.webGlFunctionPrototypeString=this.generate()}},{key:"astGeneric",value:function(t,e,s){if(null===t)throw this.astErrorOutput("NULL ast",t,s);if(Array.isArray(t)){for(var n=0;n<t.length;n++)this.astGeneric(t[n],e,s);return e}switch(t.type){case"FunctionDeclaration":return this.astFunctionDeclaration(t,e,s);case"FunctionExpression":return this.astFunctionExpression(t,e,s);case"ReturnStatement":return this.astReturnStatement(t,e,s);case"Literal":return this.astLiteral(t,e,s);case"BinaryExpression":return this.astBinaryExpression(t,e,s);case"Identifier":return this.astIdentifierExpression(t,e,s);case"AssignmentExpression":return this.astAssignmentExpression(t,e,s);case"ExpressionStatement":return this.astExpressionStatement(t,e,s);case"EmptyStatement":return this.astEmptyStatement(t,e,s);case"BlockStatement":return this.astBlockStatement(t,e,s);case"IfStatement":return this.astIfStatement(t,e,s);case"BreakStatement":return this.astBreakStatement(t,e,s);case"ContinueStatement":return this.astContinueStatement(t,e,s);case"ForStatement":return this.astForStatement(t,e,s);case"WhileStatement":return this.astWhileStatement(t,e,s);case"VariableDeclaration":return this.astVariableDeclaration(t,e,s);case"VariableDeclarator":return this.astVariableDeclarator(t,e,s);case"ThisExpression":return this.astThisExpression(t,e,s);case"SequenceExpression":return this.astSequenceExpression(t,e,s);case"UnaryExpression":return this.astUnaryExpression(t,e,s);case"UpdateExpression":return this.astUpdateExpression(t,e,s);case"LogicalExpression":return this.astLogicalExpression(t,e,s);case"MemberExpression":return this.astMemberExpression(t,e,s);case"CallExpression":return this.astCallExpression(t,e,s);case"ArrayExpression":return this.astArrayExpression(t,e,s);case"DebuggerStatement":return this.astDebuggerStatement(t,e,s)}throw this.astErrorOutput("Unknown ast type : "+t.type,t,s)}},{key:"astFunctionDeclaration",value:function(t,e,s){return this.addFunction&&this.addFunction(null,utils.getAstString(this.jsFunctionString,t)),e}},{key:"astFunctionExpression",value:function(t,e,s){if(!s.isRootKernel){e.push("function"),s.kernalAst=t,e.push(" "),e.push(s.functionName),e.push("(");for(var n=0;n<s.paramNames.length;++n){var r=s.paramNames[n];n>0&&e.push(", "),e.push(" "),e.push("user_"),e.push(r)}e.push(") {\n")}for(var a=0;a<t.body.body.length;++a)this.astGeneric(t.body.body[a],e,s),e.push("\n");return s.isRootKernel||e.push("}\n"),e}},{key:"astReturnStatement",value:function(t,e,s){return s.isRootKernel?(e.push("kernelResult = "),this.astGeneric(t.argument,e,s),e.push(";")):s.isSubKernel?(e.push(s.functionName+"Result = "),this.astGeneric(t.argument,e,s),e.push(";"),e.push("return "+s.functionName+"Result;")):(e.push("return "),this.astGeneric(t.argument,e,s),e.push(";")),e}},{key:"astLiteral",value:function(t,e,s){if(isNaN(t.value))throw this.astErrorOutput("Non-numeric literal not supported : "+t.value,t,s);return e.push(t.value),e}},{key:"astBinaryExpression",value:function(t,e,s){return e.push("("),this.astGeneric(t.left,e,s),e.push(t.operator),this.astGeneric(t.right,e,s),e.push(")"),e}},{key:"astIdentifierExpression",value:function(t,e,s){if("Identifier"!==t.type)throw this.astErrorOutput("IdentifierExpression - not an Identifier",t,s);switch(t.name){case"gpu_threadX":e.push("threadId.x");break;case"gpu_threadY":e.push("threadId.y");break;case"gpu_threadZ":e.push("threadId.z");break;case"gpu_outputX":e.push("uOutputDim.x");break;case"gpu_outputY":e.push("uOutputDim.y");break;case"gpu_outputZ":e.push("uOutputDim.z");break;default:if(this.constants&&this.constants.hasOwnProperty(t.name))e.push("constants_"+t.name);else{var n=s.getUserParamName(t.name);null!==n?e.push("user_"+n):e.push("user_"+t.name)}}return e}},{key:"astForStatement",value:function(t,e,s){if("ForStatement"!==t.type)throw this.astErrorOutput("Invalid for statment",t,s);if(t.test&&"BinaryExpression"===t.test.type){if(("Identifier"===t.test.right.type||"Literal"===t.test.right.type)&&"<"===t.test.operator&&!1===this.isIdentifierConstant(t.test.right.name)){if(this.loopMaxIterations||(console.warn("Warning: loopMaxIterations is not set! Using default of 1000 which may result in unintended behavior."),console.warn("Set loopMaxIterations or use a for loop of fixed length to silence this message.")),e.push("for ("),this.astGeneric(t.init,e,s),";"!==e[e.length-1]&&e.push(";"),this.astGeneric(t.test.left,e,s),e.push(t.test.operator),e.push("LOOP_MAX"),e.push(";"),this.astGeneric(t.update,e,s),e.push(")"),e.push("{\n"),e.push("if ("),this.astGeneric(t.test.left,e,s),e.push(t.test.operator),this.astGeneric(t.test.right,e,s),e.push(") {\n"),"BlockStatement"===t.body.type)for(var n=0;n<t.body.body.length;n++)this.astGeneric(t.body.body[n],e,s);else this.astGeneric(t.body,e,s);return e.push("} else {\n"),e.push("break;\n"),e.push("}\n"),e.push("}\n"),e}if(t.init.declarations){var r=JSON.parse(JSON.stringify(t.init.declarations)),a=t.update.argument;if(!Array.isArray(r)||r.length<1)throw console.log(this.jsFunctionString),new Error("Error: Incompatible for loop declaration");if(r.length>1){for(var i=null,u=0;u<r.length;u++){var o=r[u];o.id.name===a.name?(i=o,r.splice(u,1)):(e.push("var "),this.astGeneric(o,e,s),e.push(";"))}e.push("for (let "),this.astGeneric(i,e,s),e.push(";")}else e.push("for ("),this.astGeneric(t.init,e,s);return this.astGeneric(t.test,e,s),e.push(";"),this.astGeneric(t.update,e,s),e.push(")"),this.astGeneric(t.body,e,s),e}}throw this.astErrorOutput("Invalid for statement",t,s)}},{key:"astWhileStatement",value:function(t,e,s){if("WhileStatement"!==t.type)throw this.astErrorOutput("Invalid while statment",t,s);return e.push("for (let i = 0; i < LOOP_MAX; i++) {"),e.push("if ("),this.astGeneric(t.test,e,s),e.push(") {\n"),this.astGeneric(t.body,e,s),e.push("} else {\n"),e.push("break;\n"),e.push("}\n"),e.push("}\n"),e}},{key:"astAssignmentExpression",value:function(t,e,s){return this.astGeneric(t.left,e,s),e.push(t.operator),this.astGeneric(t.right,e,s),e}},{key:"astEmptyStatement",value:function(t,e,s){return e}},{key:"astBlockStatement",value:function(t,e,s){e.push("{\n");for(var n=0;n<t.body.length;n++)this.astGeneric(t.body[n],e,s);return e.push("}\n"),e}},{key:"astExpressionStatement",value:function(t,e,s){return this.astGeneric(t.expression,e,s),e.push(";\n"),e}},{key:"astVariableDeclaration",value:function(t,e,s){e.push("var ");for(var n=0;n<t.declarations.length;n++)n>0&&e.push(","),this.astGeneric(t.declarations[n],e,s);return e.push(";"),e}},{key:"astVariableDeclarator",value:function(t,e,s){return this.astGeneric(t.id,e,s),null!==t.init&&(e.push("="),this.astGeneric(t.init,e,s)),e}},{key:"astIfStatement",value:function(t,e,s){return e.push("if ("),this.astGeneric(t.test,e,s),e.push(")"),"BlockStatement"===t.consequent.type?this.astGeneric(t.consequent,e,s):(e.push(" {\n"),this.astGeneric(t.consequent,e,s),e.push("\n}\n")),t.alternate&&(e.push("else "),"BlockStatement"===t.alternate.type?this.astGeneric(t.alternate,e,s):(e.push(" {\n"),this.astGeneric(t.alternate,e,s),e.push("\n}\n"))),e}},{key:"astBreakStatement",value:function(t,e,s){return e.push("break;\n"),e}},{key:"astContinueStatement",value:function(t,e,s){return e.push("continue;\n"),e}},{key:"astLogicalExpression",value:function(t,e,s){return e.push("("),this.astGeneric(t.left,e,s),e.push(t.operator),this.astGeneric(t.right,e,s),e.push(")"),e}},{key:"astUpdateExpression",value:function(t,e,s){return t.prefix?(e.push(t.operator),this.astGeneric(t.argument,e,s)):(this.astGeneric(t.argument,e,s),e.push(t.operator)),e}},{key:"astUnaryExpression",value:function(t,e,s){return t.prefix?(e.push(t.operator),this.astGeneric(t.argument,e,s)):(this.astGeneric(t.argument,e,s),e.push(t.operator)),e}},{key:"astThisExpression",value:function(t,e,s){return e.push("_this"),e}},{key:"astMemberExpression",value:function(t,e,s){if(t.computed)if("Identifier"===t.object.type)this.astGeneric(t.object,e,s),e.push("["),this.astGeneric(t.property,e,s),e.push("]");else{this.astGeneric(t.object,e,s);var n=e.pop();e.push("]["),this.astGeneric(t.property,e,s),e.push(n)}else{var r=this.astMemberExpressionUnroll(t);switch("Identifier"===t.property.type&&t.computed&&(r="user_"+r),0===r.indexOf("this")&&(r="_"+r),r){case"_this.output.x":e.push(this.output[0]);break;case"_this.output.y":e.push(this.output[1]);break;case"_this.output.z":e.push(this.output[2]);break;default:e.push(r)}}return e}},{key:"astSequenceExpression",value:function(t,e,s){for(var n=0;n<t.expressions.length;n++)n>0&&e.push(","),this.astGeneric(t.expressions,e,s);return e}},{key:"astCallExpression",value:function(t,e,s){if(t.callee){var n=this.astMemberExpressionUnroll(t.callee);s.calledFunctions.indexOf(n)<0&&s.calledFunctions.push(n),s.hasOwnProperty("funcName")||(s.calledFunctionsArguments[n]=[]);var r=[];s.calledFunctionsArguments[n].push(r),e.push(n),e.push("(");for(var a=0;a<t.arguments.length;++a){var i=t.arguments[a];if(a>0&&e.push(", "),this.astGeneric(i,e,s),"Identifier"===i.type){var u=s.paramNames.indexOf(i.name);-1===u?r.push(null):r.push({name:i.name,type:s.paramTypes[u]})}else r.push(null)}return e.push(")"),e}throw this.astErrorOutput("Unknown CallExpression",t,s)}},{key:"astArrayExpression",value:function(t,e,s){var n=t.elements.length;e.push("new Float32Array(");for(var r=0;r<n;++r){r>0&&e.push(", ");var a=t.elements[r];this.astGeneric(a,e,s)}return e.push(")"),e}},{key:"astDebuggerStatement",value:function(t,e,s){return e.push("debugger;"),e}}],[{key:"astFunctionPrototype",value:function(t,e,s){if(s.isRootKernel||s.isSubKernel)return e;e.push(s.returnType),e.push(" "),e.push(s.functionName),e.push("(");for(var n=0;n<s.paramNames.length;++n)n>0&&e.push(", "),e.push(s.paramTypes[n]),e.push(" "),e.push("user_"),e.push(s.paramNames[n]);return e.push(");\n"),e}}]),e}(BaseFunctionNode);
 
-},{"../../core/utils":83,"../function-node-base":58}],54:[function(require,module,exports){
+},{"../../core/utils":86,"../function-node-base":61}],57:[function(require,module,exports){
 "use strict";function removeFnNoise(n){return/^function /.test(n)&&(n=n.substring(9)),n.replace(/[_]typeof/g,"typeof")}function removeNoise(n){return n.replace(/[_]typeof/g,"typeof")}var utils=require("../../core/utils"),kernelRunShortcut=require("../kernel-run-shortcut");module.exports=function(n,t){return"() => {\n    "+kernelRunShortcut.toString()+";\n    const utils = {\n      allPropertiesOf: "+removeNoise(utils.allPropertiesOf.toString())+",\n      clone: "+removeNoise(utils.clone.toString())+"\n    };\n    const Utils = utils;\n    class "+(t||"Kernel")+" {\n      constructor() {        \n        this.argumentsLength = 0;\n        this._canvas = null;\n        this._webGl = null;\n        this.built = false;\n        this.program = null;\n        this.paramNames = "+JSON.stringify(n.paramNames)+";\n        this.paramTypes = "+JSON.stringify(n.paramTypes)+";\n        this.texSize = "+JSON.stringify(n.texSize)+";\n        this.output = "+JSON.stringify(n.output)+";\n        this._kernelString = `"+n._kernelString+"`;\n        this.output = "+JSON.stringify(n.output)+";\n\t\t    this.run = function() {\n          this.run = null;\n          this.build();\n          return this.run.apply(this, arguments);\n        }.bind(this);\n        this.thread = {\n          x: 0,\n          y: 0,\n          z: 0\n        };\n      }\n      setCanvas(canvas) { this._canvas = canvas; return this; }\n      setWebGl(webGl) { this._webGl = webGl; return this; }\n      "+removeFnNoise(n.build.toString())+"\n      "+removeFnNoise(n.setupParams.toString())+"\n      run () { "+n.kernelString+" }\n      getKernelString() { return this._kernelString; }\n    };\n    return kernelRunShortcut(new Kernel());\n  };"};
 
-},{"../../core/utils":83,"../kernel-run-shortcut":60}],55:[function(require,module,exports){
+},{"../../core/utils":86,"../kernel-run-shortcut":63}],58:[function(require,module,exports){
 "use strict";function _classCallCheck(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function _inherits(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}var _createClass=function(){function t(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,n,r){return n&&t(e.prototype,n),r&&t(e,r),e}}(),KernelBase=require("../kernel-base"),utils=require("../../core/utils"),kernelString=require("./kernel-string");module.exports=function(t){function e(t,n){_classCallCheck(this,e);var r=_possibleConstructorReturn(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,n));return r._fnBody=utils.getFunctionBodyFromString(t),r._fn=null,r.run=null,r._canvasCtx=null,r._imageData=null,r._colorData=null,r._kernelString=null,r.thread={x:0,y:0,z:0},r.run=function(){return this.run=null,this.build.apply(this,arguments),this.run.apply(this,arguments)}.bind(r),r}return _inherits(e,t),_createClass(e,[{key:"validateOptions",value:function(){if(!this.output||0===this.output.length){if(1!==arguments.length)throw"Auto dimensions only supported for kernels with only one input";var t=utils.getArgumentType(arguments[0]);if("Array"===t)this.output=utils.getDimensions(t);else{if("Texture"!==t)throw"Auto dimensions not supported for input type: "+t;this.output=arguments[0].output}}}},{key:"build",value:function(){this.setupParams(arguments);for(var t=this.threadDim=utils.clone(this.output);t.length<3;)t.push(1);if(this.graphical){var e=this.getCanvas();e.width=t[0],e.height=t[1],this._canvasCtx=e.getContext("2d"),this._imageData=this._canvasCtx.createImageData(t[0],t[1]),this._colorData=new Uint8ClampedArray(t[0]*t[1]*4)}var n=this.getKernelString();this.debug&&(console.log("Options:"),console.dir(this),console.log("Function output:"),console.log(n)),this.kernelString=n,this.run=new Function([],n).bind(this)()}},{key:"color",value:function(t,e,n,r){void 0===r&&(r=1),t=Math.floor(255*t),e=Math.floor(255*e),n=Math.floor(255*n),r=Math.floor(255*r);var i=this.output[0],s=this.output[1],u=this.thread.x,a=s-this.thread.y-1,l=u+a*i;this._colorData[4*l+0]=t,this._colorData[4*l+1]=e,this._colorData[4*l+2]=n,this._colorData[4*l+3]=r}},{key:"getKernelString",value:function(){var t=this;if(null!==this._kernelString)return this._kernelString;for(var e=this.functionBuilder,n=this.threadDim||(this.threadDim=utils.clone(this.output));n.length<3;)n.push(1);if(e.addKernel(this.fnString,{prototypeOnly:!1,constants:this.constants,output:this.output,debug:this.debug,loopMaxIterations:this.loopMaxIterations},this.paramNames,this.paramTypes),e.addFunctions(this.functions,{constants:this.constants,output:this.output}),null!==this.subKernels){this.subKernelOutputTextures=[],this.subKernelOutputVariableNames=[];for(var r=0;r<this.subKernels.length;r++){var i=this.subKernels[r];e.addSubKernel(i,{prototypeOnly:!1,constants:this.constants,output:this.output,debug:this.debug,loopMaxIterations:this.loopMaxIterations}),this.subKernelOutputVariableNames.push(i.name+"Result")}}else if(null!==this.subKernelProperties){this.subKernelOutputVariableNames=[];var s=0;for(var u in this.subKernelProperties)if(this.subKernelProperties.hasOwnProperty(u)){var a=this.subKernelProperties[u];e.addSubKernel(a),this.subKernelOutputVariableNames.push(a.name+"Result"),s++}}var l=e.getPrototypes(),o=null;return l.length>1?l=l.filter(function(t){return/^function/.test(t)?t:(o=t,!1)}):o=l.shift(),this._kernelString="\n\t\tvar LOOP_MAX = "+this._getLoopMaxString()+";\n\t\tvar _this = this;\n  "+(null===this.subKernelOutputVariableNames?"":this.subKernelOutputVariableNames.map(function(t){return"  var "+t+" = null;\n"}).join(""))+"\n    return function ("+this.paramNames.map(function(t){return"user_"+t}).join(", ")+") {\n    var ret = new Array("+n[2]+");\n  "+(null===this.subKernelOutputVariableNames?"":this.subKernelOutputVariableNames.map(function(t){return"  "+t+"Z = new Array("+n[2]+");\n"}).join(""))+"\n    for (this.thread.z = 0; this.thread.z < "+n[2]+"; this.thread.z++) {\n      ret[this.thread.z] = new Array("+n[1]+");\n  "+(null===this.subKernelOutputVariableNames?"":this.subKernelOutputVariableNames.map(function(t){return"    "+t+"Z[this.thread.z] = new Array("+n[1]+");\n"}).join(""))+"\n      for (this.thread.y = 0; this.thread.y < "+n[1]+"; this.thread.y++) {\n        ret[this.thread.z][this.thread.y] = new Array("+n[0]+");\n  "+(null===this.subKernelOutputVariableNames?"":this.subKernelOutputVariableNames.map(function(t){return"      "+t+"Z[this.thread.z][this.thread.y] = new Array("+n[0]+");\n"}).join(""))+"\n        for (this.thread.x = 0; this.thread.x < "+n[0]+"; this.thread.x++) {\n          var kernelResult;\n          "+o+"\n          ret[this.thread.z][this.thread.y][this.thread.x] = kernelResult;\n"+(null===this.subKernelOutputVariableNames?"":this.subKernelOutputVariableNames.map(function(t){return"        "+t+"Z[this.thread.z][this.thread.y][this.thread.x] = "+t+";\n"}).join(""))+"\n          }\n        }\n      }\n      \n      if (this.graphical) {\n        this._imageData.data.set(this._colorData);\n        this._canvasCtx.putImageData(this._imageData, 0, 0);\n        return;\n      }\n      \n      if (this.output.length === 1) {\n        ret = ret[0][0];\n"+(null===this.subKernelOutputVariableNames?"":this.subKernelOutputVariableNames.map(function(t){return"    "+t+" = "+t+"Z[0][0];\n"}).join(""))+"\n      \n    } else if (this.output.length === 2) {\n      ret = ret[0];\n      "+(null===this.subKernelOutputVariableNames?"":this.subKernelOutputVariableNames.map(function(t){return"    "+t+" = "+t+"Z[0];\n"}).join(""))+"\n    }\n    \n    "+(null===this.subKernelOutputVariableNames?"return ret;\n":null!==this.subKernels?"var result = [\n        "+this.subKernelOutputVariableNames.map(function(t){return""+t}).join(",\n")+"\n      ];\n      result.result = ret;\n      return result;\n":"return {\n        result: ret,\n        "+Object.keys(this.subKernelProperties).map(function(e,n){return e+": "+t.subKernelOutputVariableNames[n]}).join(",\n")+"\n      };")+"\n    "+(l.length>0?l.join("\n"):"")+"\n    }.bind(this);"}},{key:"toString",value:function(){return kernelString(this)}},{key:"precompileKernelObj",value:function(t){return{threadDim:this.threadDim||(this.threadDim=utils.clone(this.output))}}},{key:"_getLoopMaxString",value:function(){return this.loopMaxIterations?" "+parseInt(this.loopMaxIterations)+";\n":" 1000;\n"}}],[{key:"compileKernel",value:function(t){for(var e=t.threadDim;e.length<3;)e.push(1)}}]),e}(KernelBase);
 
-},{"../../core/utils":83,"../kernel-base":59,"./kernel-string":54}],56:[function(require,module,exports){
+},{"../../core/utils":86,"../kernel-base":62,"./kernel-string":57}],59:[function(require,module,exports){
 "use strict";function _classCallCheck(e,r){if(!(e instanceof r))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(e,r){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!r||"object"!=typeof r&&"function"!=typeof r?e:r}function _inherits(e,r){if("function"!=typeof r&&null!==r)throw new TypeError("Super expression must either be null or a function, not "+typeof r);e.prototype=Object.create(r&&r.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),r&&(Object.setPrototypeOf?Object.setPrototypeOf(e,r):e.__proto__=r)}var _createClass=function(){function e(e,r){for(var t=0;t<r.length;t++){var n=r[t];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(r,t,n){return t&&e(r.prototype,t),n&&e(r,n),r}}(),utils=require("../../core/utils"),RunnerBase=require("../runner-base"),CPUKernel=require("./kernel"),CPUFunctionBuilder=require("./function-builder");module.exports=function(e){function r(e){_classCallCheck(this,r);var t=_possibleConstructorReturn(this,(r.__proto__||Object.getPrototypeOf(r)).call(this,new CPUFunctionBuilder,e));return t.Kernel=CPUKernel,t.kernel=null,t}return _inherits(r,e),_createClass(r,[{key:"getMode",value:function(){return"cpu"}}]),r}(RunnerBase);
 
-},{"../../core/utils":83,"../runner-base":61,"./function-builder":52,"./kernel":55}],57:[function(require,module,exports){
+},{"../../core/utils":86,"../runner-base":64,"./function-builder":55,"./kernel":58}],60:[function(require,module,exports){
 "use strict";function _classCallCheck(n,t){if(!(n instanceof t))throw new TypeError("Cannot call a class as a function")}var _createClass=function(){function n(n,t){for(var e=0;e<t.length;e++){var i=t[e];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(n,i.key,i)}}return function(t,e,i){return e&&n(t.prototype,e),i&&n(t,i),t}}();module.exports=function(){function n(t){_classCallCheck(this,n),this.nodeMap={},this.nativeFunctions={},this.gpu=t,this.rootKernel=null,this.Node=null}return _createClass(n,[{key:"addNativeFunction",value:function(n,t){this.nativeFunctions[n]=t}},{key:"addFunction",value:function(n,t,e,i,o){this.addFunctionNode(new this.Node(n,t,e,i,o).setAddFunction(this.addFunction.bind(this)))}},{key:"addFunctions",value:function(n,t){if(n)if(Array.isArray(n))for(var e=0;e<n.length;e++)this.addFunction(null,n[e],t);else for(var i in n)this.addFunction(i,n[i],t)}},{key:"addNativeFunctions",value:function(n){for(var t in n)n.hasOwnProperty(t)&&this.addNativeFunction(t,n[t])}},{key:"addFunctionNode",value:function(n){this.nodeMap[n.functionName]=n,n.isRootKernel&&(this.rootKernel=n)}},{key:"traceFunctionCalls",value:function(n,t,e){n=n||"kernel",t=t||[];var i=this.nodeMap[n];if(i){var o=t.indexOf(n);if(-1===o){t.push(n),e&&(i.parent=e),i.getFunctionString();for(var r=0;r<i.calledFunctions.length;++r)this.traceFunctionCalls(i.calledFunctions[r],t,i)}else{var a=t.splice(o,1)[0];t.push(a)}}return this.nativeFunctions[n]&&(t.indexOf(n)>=0||t.push(n)),t}},{key:"addKernel",value:function(n,t,e,i){var o=new this.Node("kernel",n,t,i);return o.setAddFunction(this.addFunction.bind(this)),o.paramNames=e,o.paramTypes=i,o.isRootKernel=!0,this.addFunctionNode(o),o}},{key:"addSubKernel",value:function(n,t,e,i){var o=new this.Node(null,n,t,e,i);return o.setAddFunction(this.addFunction.bind(this)),o.isSubKernel=!0,this.addFunctionNode(o),o}},{key:"getPrototypeString",value:function(n){return this.getPrototypes(n).join("\n")}},{key:"getPrototypes",value:function(n){return this.rootKernel.generate(),n?this.getPrototypesFromFunctionNames(this.traceFunctionCalls(n,[]).reverse()):this.getPrototypesFromFunctionNames(Object.keys(this.nodeMap))}},{key:"getStringFromFunctionNames",value:function(n){for(var t=[],e=0;e<n.length;++e){this.nodeMap[n[e]]&&t.push(this.nodeMap[n[e]].getFunctionString())}return t.join("\n")}},{key:"getPrototypesFromFunctionNames",value:function(n,t){for(var e=[],i=0;i<n.length;++i){var o=n[i],r=this.nodeMap[o];r?e.push(r.getFunctionPrototypeString(t)):this.nativeFunctions[o]&&e.push(this.nativeFunctions[o])}return e}},{key:"getPrototypeStringFromFunctionNames",value:function(n,t){return this.getPrototypesFromFunctionNames(n,t).toString()}},{key:"getString",value:function(n,t){return void 0===t&&(t={}),n?this.getStringFromFunctionNames(this.traceFunctionCalls(n,[],t).reverse(),t):this.getStringFromFunctionNames(Object.keys(this.nodeMap),t)}}]),n}();
 
-},{}],58:[function(require,module,exports){
+},{}],61:[function(require,module,exports){
 "use strict";function _classCallCheck(t,n){if(!(t instanceof n))throw new TypeError("Cannot call a class as a function")}var _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t},_createClass=function(){function t(t,n){for(var e=0;e<n.length;e++){var r=n[e];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(n,e,r){return e&&t(n.prototype,e),r&&t(n,r),n}}(),utils=require("../core/utils"),acorn=require("acorn");module.exports=function(){function BaseFunctionNode(t,n,e,r,i){if(_classCallCheck(this,BaseFunctionNode),this.calledFunctions=[],this.calledFunctionsArguments={},this.initVariables=[],this.readVariables=[],this.writeVariables=[],this.addFunction=null,this.isRootKernel=!1,this.isSubKernel=!1,this.parent=null,this.debug=null,this.prototypeOnly=null,this.constants=null,this.output=null,e&&(e.hasOwnProperty("debug")&&(this.debug=e.debug),e.hasOwnProperty("prototypeOnly")&&(this.prototypeOnly=e.prototypeOnly),e.hasOwnProperty("constants")&&(this.constants=e.constants),e.hasOwnProperty("output")&&(this.output=e.output),e.hasOwnProperty("loopMaxIterations")&&(this.loopMaxIterations=e.loopMaxIterations)),!n)throw"jsFunction, parameter is missing";if(this.jsFunctionString=n.toString(),!utils.isFunctionString(this.jsFunctionString))throw console.error("jsFunction, to string conversion check failed: not a function?",this.jsFunctionString),"jsFunction, to string conversion check failed: not a function?";if(utils.isFunction(n)?this.jsFunction=n:this.jsFunction=null,this.functionName=t||n&&n.name||utils.getFunctionNameFromString(this.jsFunctionString),!this.functionName)throw"jsFunction, missing name argument or value";if(this.paramNames=utils.getParamNamesFromString(this.jsFunctionString),r){if(Array.isArray(r)){if(r.length!==this.paramNames.length)throw"Invalid argument type array length, against function length -> ("+r.length+","+this.paramNames.length+")";this.paramTypes=r}else if("object"===(void 0===r?"undefined":_typeof(r))){var s=Object.keys(r);if(r.hasOwnProperty("returns")&&(this.returnType=r.returns,s.splice(s.indexOf("returns"),1)),s.length>0&&s.length!==this.paramNames.length)throw"Invalid argument type array length, against function length -> ("+s.length+","+this.paramNames.length+")";this.paramTypes=this.paramNames.map(function(t){return r.hasOwnProperty(t)?r[t]:"float"})}}else this.paramTypes=[];this.returnType||(this.returnType=i||"float")}return _createClass(BaseFunctionNode,[{key:"isIdentifierConstant",value:function(t){return!!this.constants&&this.constants.hasOwnProperty(t)}},{key:"setAddFunction",value:function(t){return this.addFunction=t,this}},{key:"getJsFunction",value:function getJsFunction(){if(this.jsFunction)return this.jsFunction;if(this.jsFunctionString)return this.jsFunction=eval(this.jsFunctionString),this.jsFunction;throw"Missing jsFunction, and jsFunctionString parameter"}},{key:"astMemberExpressionUnroll",value:function(t,n){if("Identifier"===t.type)return t.name;if("ThisExpression"===t.type)return"this";if("MemberExpression"===t.type&&t.object&&t.property)return t.object.hasOwnProperty("name")&&"_"===t.object.name[0]?this.astMemberExpressionUnroll(t.property,n):this.astMemberExpressionUnroll(t.object,n)+"."+this.astMemberExpressionUnroll(t.property,n);if(t.hasOwnProperty("expressions")){var e=t.expressions[0];if("Literal"===e.type&&0===e.value&&2===t.expressions.length)return this.astMemberExpressionUnroll(t.expressions[1])}throw this.astErrorOutput("Unknown CallExpression_unroll",t,n)}},{key:"getJsAST",value:function(t){if(this.jsFunctionAST)return this.jsFunctionAST;if(null===(t=t||acorn))throw"Missing JS to AST parser";var n=t.parse("var "+this.functionName+" = "+this.jsFunctionString+";",{locations:!0});if(null===n)throw"Failed to parse JS code";var e=n.body[0].declarations[0].init;return this.jsFunctionAST=e,e}},{key:"getFunctionString",value:function(){return this.generate(),this.functionString}},{key:"setFunctionString",value:function(t){this.functionString=t}},{key:"getParamType",value:function(t){var n=this.paramNames.indexOf(t);if(-1===n)return null;if(!this.parent)return null;if(this.paramTypes[n])return this.paramTypes[n];for(var e=this.parent.calledFunctionsArguments[this.functionName],r=0;r<e.length;r++){var i=e[r];if(null!==i[n])return this.paramTypes[n]=i[n].type}return null}},{key:"getUserParamName",value:function(t){var n=this.paramNames.indexOf(t);if(-1===n)return null;if(!this.parent)return null;for(var e=this.parent.calledFunctionsArguments[this.functionName],r=0;r<e.length;r++){var i=e[r];if(null!==i[n])return i[n].name}return null}},{key:"generate",value:function(t){throw new Error("generate not defined on BaseFunctionNode")}},{key:"astErrorOutput",value:function(t,n,e){return console.error(utils.getAstString(this.jsFunctionString,n)),console.error(t,n,e),t}},{key:"astDebuggerStatement",value:function(t,n,e){return n}}]),BaseFunctionNode}();
 
-},{"../core/utils":83,"acorn":45}],59:[function(require,module,exports){
+},{"../core/utils":86,"acorn":48}],62:[function(require,module,exports){
 "use strict";function _classCallCheck(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}var _createClass=function(){function t(t,e){for(var n=0;n<e.length;n++){var u=e[n];u.enumerable=u.enumerable||!1,u.configurable=!0,"value"in u&&(u.writable=!0),Object.defineProperty(t,u.key,u)}}return function(e,n,u){return n&&t(e.prototype,n),u&&t(e,u),e}}(),utils=require("../core/utils");module.exports=function(){function t(e,n){_classCallCheck(this,t),this.paramNames=utils.getParamNamesFromString(e),this.fnString=e,this.output=null,this.debug=!1,this.graphical=!1,this.loopMaxIterations=0,this.constants=null,this.wraparound=null,this.hardcodeConstants=null,this.outputToTexture=null,this.outputImmutable=null,this.texSize=null,this._canvas=null,this._webGl=null,this.threadDim=null,this.floatTextures=null,this.floatOutput=null,this.floatOutputForce=null,this.addFunction=null,this.functions=null,this.nativeFunctions=null,this.subKernels=null,this.subKernelProperties=null,this.subKernelNames=null,this.subKernelOutputVariableNames=null,this.functionBuilder=null,this.paramTypes=null;for(var u in n)n.hasOwnProperty(u)&&this.hasOwnProperty(u)&&(this[u]=n[u]);n.hasOwnProperty("canvas")&&(this._canvas=n.canvas),n.hasOwnProperty("output")&&this.setOutput(n.output),this._canvas||(this._canvas=utils.initCanvas())}return _createClass(t,[{key:"build",value:function(){throw new Error('"build" not defined on Base')}},{key:"setupParams",value:function(t){for(var e=this.paramTypes=[],n=0;n<t.length;n++){var u=t[n],s=utils.getArgumentType(u);e.push(s)}}},{key:"setAddFunction",value:function(t){return this.addFunction=t,this}},{key:"setFunctions",value:function(t){return this.functions=t,this}},{key:"setOutput",value:function(t){return t.hasOwnProperty("x")?t.hasOwnProperty("y")?t.hasOwnProperty("z")?this.output=[t.x,t.y,t.z]:this.output=[t.x,t.y]:this.output=[t.x]:this.output=t,this}},{key:"setDebug",value:function(t){return this.debug=t,this}},{key:"setGraphical",value:function(t){return this.graphical=t,this}},{key:"setLoopMaxIterations",value:function(t){return this.loopMaxIterations=t,this}},{key:"setConstants",value:function(t){return this.constants=t,this}},{key:"setWraparound",value:function(t){return console.warn("Wraparound mode is not supported and undocumented."),this.wraparound=t,this}},{key:"setHardcodeConstants",value:function(t){return this.hardcodeConstants=t,this}},{key:"setOutputToTexture",value:function(t){return this.outputToTexture=t,this}},{key:"setOutputImmutable",value:function(t){return this.outputImmutable=t,this}},{key:"setFloatTextures",value:function(t){return this.floatTextures=t,this}},{key:"setFloatOutput",value:function(t){return this.floatOutput=t,this}},{key:"setFloatOutputForce",value:function(t){return this.floatOutputForce=t,this}},{key:"setCanvas",value:function(t){return this._canvas=t,this}},{key:"setWebGl",value:function(t){return this._webGl=t,this}},{key:"getCanvas",value:function(){return this._canvas}},{key:"getWebGl",value:function(){return this._webGl}},{key:"validateOptions",value:function(){throw new Error("validateOptions not defined")}},{key:"exec",value:function(){return this.execute.apply(this,arguments)}},{key:"execute",value:function(){var t=this,e=1===arguments.length?[arguments[0]]:Array.apply(null,arguments);return utils.newPromise(function(n,u){try{n(t.run.apply(t,e))}catch(t){u(t)}})}},{key:"addSubKernel",value:function(t){return null===this.subKernels&&(this.subKernels=[],this.subKernelNames=[]),this.subKernels.push(t),this.subKernelNames.push(utils.getFunctionNameFromString(t)),this}},{key:"addSubKernelProperty",value:function(t,e){if(null===this.subKernelProperties&&(this.subKernelProperties={},this.subKernelNames=[]),this.subKernelProperties.hasOwnProperty(t))throw new Error("cannot add sub kernel "+t+", already defined");return this.subKernelProperties[t]=e,this.subKernelNames.push(utils.getFunctionNameFromString(e)),this}},{key:"addNativeFunction",value:function(t,e){this.functionBuilder.addNativeFunction(t,e)}}]),t}();
 
-},{"../core/utils":83}],60:[function(require,module,exports){
+},{"../core/utils":86}],63:[function(require,module,exports){
 "use strict";var utils=require("../core/utils");module.exports=function(t){var n=function(){return t.run.apply(t,arguments)};return utils.allPropertiesOf(t).forEach(function(e){"_"===e[0]&&"_"===e[1]||("function"==typeof t[e]?n[e]="add"===e.substring(0,3)||"set"===e.substring(0,3)?function(){return t[e].apply(t,arguments),n}:t[e].bind(t):(n.__defineGetter__(e,function(){return t[e]}),n.__defineSetter__(e,function(n){t[e]=n})))}),n.kernel=t,n};
 
-},{"../core/utils":83}],61:[function(require,module,exports){
+},{"../core/utils":86}],64:[function(require,module,exports){
 "use strict";function _classCallCheck(e,n){if(!(e instanceof n))throw new TypeError("Cannot call a class as a function")}var _createClass=function(){function e(e,n){for(var t=0;t<n.length;t++){var r=n[t];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}return function(n,t,r){return t&&e(n.prototype,t),r&&e(n,r),n}}(),utils=require("../core/utils"),kernelRunShortcut=require("./kernel-run-shortcut");module.exports=function(){function e(n,t){_classCallCheck(this,e),t=t||{},this.kernel=t.kernel,this.canvas=t.canvas,this.webGl=t.webGl,this.fn=null,this.functionBuilder=n,this.fnString=null,this.endianness=utils.systemEndianness()}return _createClass(e,[{key:"textureToArray",value:function(e){return this.createKernel(function(e){return e[this.thread.z][this.thread.y][this.thread.x]})(e)}},{key:"deleteTexture",value:function(e){this.webGl.deleteTexture(e.texture)}},{key:"buildPromiseKernel",value:function(){throw new Error("not yet implemented")}},{key:"getMode",value:function(){throw new Error('"mode" not implemented on BaseRunner')}},{key:"buildKernel",value:function(e,n){n=Object.assign({},n||{});var t=e.toString();return n.functionBuilder||(n.functionBuilder=this.functionBuilder),n.canvas||(n.canvas=this.canvas),n.webGl||(n.webGl=this.webgl),kernelRunShortcut(new this.Kernel(t,n))}}]),e}();
 
-},{"../core/utils":83,"./kernel-run-shortcut":60}],62:[function(require,module,exports){
+},{"../core/utils":86,"./kernel-run-shortcut":63}],65:[function(require,module,exports){
 "use strict";function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function _inherits(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}function _round(e){return Math.floor(e+.5)}var _createClass=function(){function e(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}return function(t,n,r){return n&&e(t.prototype,n),r&&e(t,r),t}}(),FunctionBuilderBase=require("../function-builder-base"),WebGLFunctionNode=require("./function-node");module.exports=function(e){function t(){_classCallCheck(this,t);var e=_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return e.Node=WebGLFunctionNode,e}return _inherits(t,e),_createClass(t,[{key:"polyfillStandardFunctions",value:function(){this.addFunction("round",_round)}}],[{key:"round",value:function(e){return _round(e)}}]),t}(FunctionBuilderBase);
 
-},{"../function-builder-base":57,"./function-node":63}],63:[function(require,module,exports){
+},{"../function-builder-base":60,"./function-node":66}],66:[function(require,module,exports){
 "use strict";function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function _inherits(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}function isIdentifierKernelParam(e,t,s){return-1!==s.paramNames.indexOf(e)}function ensureIndentifierType(e,t,s,r){var n=s.loc.start;if(!isIdentifierKernelParam(e,r)&&"float"!==t)throw new Error("Error unexpected identifier "+e+" on line "+n.line);if(r.paramTypes[r.paramNames.indexOf(e)]!==t)throw new Error("Error unexpected identifier "+e+" on line "+n.line)}function webGlRegexOptimize(e){return e.replace(DECODE32_ENCODE32,"((").replace(ENCODE32_DECODE32,"((")}var _createClass=function(){function e(e,t){for(var s=0;s<t.length;s++){var r=t[s];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}return function(t,s,r){return s&&e(t.prototype,s),r&&e(t,r),t}}(),FunctionNodeBase=require("../function-node-base"),utils=require("../../core/utils"),jsMathPrefix="Math.",localPrefix="this.",constantsPrefix="this.constants.",DECODE32_ENCODE32=/decode32\(\s+encode32\(/g,ENCODE32_DECODE32=/encode32\(\s+decode32\(/g;module.exports=function(e){function t(){return _classCallCheck(this,t),_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).apply(this,arguments))}return _inherits(t,e),_createClass(t,[{key:"generate",value:function(){return this.debug&&console.log(this),this.prototypeOnly?t.astFunctionPrototype(this.getJsAST(),[],this).join("").trim():(this.functionStringArray=this.astGeneric(this.getJsAST(),[],this),this.functionString=webGlRegexOptimize(this.functionStringArray.join("").trim()),this.functionString)}},{key:"astGeneric",value:function(e,t,s){if(null===e)throw this.astErrorOutput("NULL ast",e,s);if(Array.isArray(e)){for(var r=0;r<e.length;r++)this.astGeneric(e[r],t,s);return t}switch(e.type){case"FunctionDeclaration":return this.astFunctionDeclaration(e,t,s);case"FunctionExpression":return this.astFunctionExpression(e,t,s);case"ReturnStatement":return this.astReturnStatement(e,t,s);case"Literal":return this.astLiteral(e,t,s);case"BinaryExpression":return this.astBinaryExpression(e,t,s);case"Identifier":return this.astIdentifierExpression(e,t,s);case"AssignmentExpression":return this.astAssignmentExpression(e,t,s);case"ExpressionStatement":return this.astExpressionStatement(e,t,s);case"EmptyStatement":return this.astEmptyStatement(e,t,s);case"BlockStatement":return this.astBlockStatement(e,t,s);case"IfStatement":return this.astIfStatement(e,t,s);case"BreakStatement":return this.astBreakStatement(e,t,s);case"ContinueStatement":return this.astContinueStatement(e,t,s);case"ForStatement":return this.astForStatement(e,t,s);case"WhileStatement":return this.astWhileStatement(e,t,s);case"VariableDeclaration":return this.astVariableDeclaration(e,t,s);case"VariableDeclarator":return this.astVariableDeclarator(e,t,s);case"ThisExpression":return this.astThisExpression(e,t,s);case"SequenceExpression":return this.astSequenceExpression(e,t,s);case"UnaryExpression":return this.astUnaryExpression(e,t,s);case"UpdateExpression":return this.astUpdateExpression(e,t,s);case"LogicalExpression":return this.astLogicalExpression(e,t,s);case"MemberExpression":return this.astMemberExpression(e,t,s);case"CallExpression":return this.astCallExpression(e,t,s);case"ArrayExpression":return this.astArrayExpression(e,t,s);case"DebuggerStatement":return this.astDebuggerStatement(e,t,s)}throw this.astErrorOutput("Unknown ast type : "+e.type,e,s)}},{key:"astFunctionDeclaration",value:function(e,t,s){return this.addFunction&&this.addFunction(null,utils.getAstString(this.jsFunctionString,e)),t}},{key:"astFunctionExpression",value:function(e,t,s){if(s.isRootKernel?(t.push("void"),s.kernalAst=e):t.push(s.returnType),t.push(" "),t.push(s.functionName),t.push("("),!s.isRootKernel)for(var r=0;r<s.paramNames.length;++r){var n=s.paramNames[r];r>0&&t.push(", ");var i=s.getParamType(n);switch(i){case"Texture":case"Input":case"Array":t.push("sampler2D");break;default:t.push("float")}t.push(" "),t.push("user_"),t.push(n)}t.push(") {\n");for(var a=0;a<e.body.body.length;++a)this.astGeneric(e.body.body[a],t,s),t.push("\n");return t.push("}\n"),t}},{key:"astReturnStatement",value:function(e,t,s){return s.isRootKernel?(t.push("kernelResult = "),this.astGeneric(e.argument,t,s),t.push(";"),t.push("return;")):s.isSubKernel?(t.push(s.functionName+"Result = "),this.astGeneric(e.argument,t,s),t.push(";"),t.push("return "+s.functionName+"Result;")):(t.push("return "),this.astGeneric(e.argument,t,s),t.push(";")),t}},{key:"astLiteral",value:function(e,t,s){if(isNaN(e.value))throw this.astErrorOutput("Non-numeric literal not supported : "+e.value,e,s);return t.push(e.value),Number.isInteger(e.value)&&t.push(".0"),t}},{key:"astBinaryExpression",value:function(e,t,s){return t.push("("),"%"===e.operator?(t.push("mod("),this.astGeneric(e.left,t,s),t.push(","),this.astGeneric(e.right,t,s),t.push(")")):"==="===e.operator?(this.astGeneric(e.left,t,s),t.push("=="),this.astGeneric(e.right,t,s)):"!=="===e.operator?(this.astGeneric(e.left,t,s),t.push("!="),this.astGeneric(e.right,t,s)):(this.astGeneric(e.left,t,s),t.push(e.operator),this.astGeneric(e.right,t,s)),t.push(")"),t}},{key:"astIdentifierExpression",value:function(e,t,s){if("Identifier"!==e.type)throw this.astErrorOutput("IdentifierExpression - not an Identifier",e,s);switch(e.name){case"gpu_threadX":t.push("threadId.x");break;case"gpu_threadY":t.push("threadId.y");break;case"gpu_threadZ":t.push("threadId.z");break;case"gpu_outputX":t.push("uOutputDim.x");break;case"gpu_outputY":t.push("uOutputDim.y");break;case"gpu_outputZ":t.push("uOutputDim.z");break;default:if(this.constants&&this.constants.hasOwnProperty(e.name))t.push("constants_"+e.name);else{var r=s.getUserParamName(e.name);null!==r?t.push("user_"+r):t.push("user_"+e.name)}}return t}},{key:"astForStatement",value:function(e,t,s){if("ForStatement"!==e.type)throw this.astErrorOutput("Invalid for statment",e,s);if(e.test&&"BinaryExpression"===e.test.type){if("Identifier"===e.test.right.type&&"<"===e.test.operator&&!1===this.isIdentifierConstant(e.test.right.name)){if(this.loopMaxIterations||(console.warn("Warning: loopMaxIterations is not set! Using default of 1000 which may result in unintended behavior."),console.warn("Set loopMaxIterations or use a for loop of fixed length to silence this message.")),t.push("for ("),this.astGeneric(e.init,t,s),this.astGeneric(e.test.left,t,s),t.push(e.test.operator),t.push("LOOP_MAX"),t.push(";"),this.astGeneric(e.update,t,s),t.push(")"),t.push("{\n"),t.push("if ("),this.astGeneric(e.test.left,t,s),t.push(e.test.operator),this.astGeneric(e.test.right,t,s),t.push(") {\n"),"BlockStatement"===e.body.type)for(var r=0;r<e.body.body.length;r++)this.astGeneric(e.body.body[r],t,s);else this.astGeneric(e.body,t,s);return t.push("} else {\n"),t.push("break;\n"),t.push("}\n"),t.push("}\n"),t}var n=JSON.parse(JSON.stringify(e.init.declarations)),i=e.update.argument;if(!Array.isArray(n)||n.length<1)throw console.log(this.jsFunctionString),new Error("Error: Incompatible for loop declaration");if(n.length>1){for(var a=null,u=0;u<n.length;u++){var o=n[u];o.id.name===i.name?(a=o,n.splice(u,1)):(t.push("float "),this.astGeneric(o,t,s),t.push(";"))}t.push("for (float "),this.astGeneric(a,t,s),t.push(";")}else t.push("for ("),this.astGeneric(e.init,t,s);return this.astGeneric(e.test,t,s),t.push(";"),this.astGeneric(e.update,t,s),t.push(")"),this.astGeneric(e.body,t,s),t}throw this.astErrorOutput("Invalid for statement",e,s)}},{key:"astWhileStatement",value:function(e,t,s){if("WhileStatement"!==e.type)throw this.astErrorOutput("Invalid while statment",e,s);return t.push("for (float i = 0.0; i < LOOP_MAX; i++) {"),t.push("if ("),this.astGeneric(e.test,t,s),t.push(") {\n"),this.astGeneric(e.body,t,s),t.push("} else {\n"),t.push("break;\n"),t.push("}\n"),t.push("}\n"),t}},{key:"astAssignmentExpression",value:function(e,t,s){if("%="!==e.operator)return this.astGeneric(e.left,t,s),t.push(e.operator),this.astGeneric(e.right,t,s),t;this.astGeneric(e.left,t,s),t.push("="),t.push("mod("),this.astGeneric(e.left,t,s),t.push(","),this.astGeneric(e.right,t,s),t.push(")")}},{key:"astEmptyStatement",value:function(e,t,s){return t}},{key:"astBlockStatement",value:function(e,t,s){t.push("{\n");for(var r=0;r<e.body.length;r++)this.astGeneric(e.body[r],t,s);return t.push("}\n"),t}},{key:"astExpressionStatement",value:function(e,t,s){return this.astGeneric(e.expression,t,s),t.push(";\n"),t}},{key:"astVariableDeclaration",value:function(e,t,s){t.push("float ");for(var r=0;r<e.declarations.length;r++)r>0&&t.push(","),this.astGeneric(e.declarations[r],t,s);return t.push(";"),t}},{key:"astVariableDeclarator",value:function(e,t,s){return this.astGeneric(e.id,t,s),null!==e.init&&(t.push("="),this.astGeneric(e.init,t,s)),t}},{key:"astIfStatement",value:function(e,t,s){return t.push("if ("),this.astGeneric(e.test,t,s),t.push(")"),"BlockStatement"===e.consequent.type?this.astGeneric(e.consequent,t,s):(t.push(" {\n"),this.astGeneric(e.consequent,t,s),t.push("\n}\n")),e.alternate&&(t.push("else "),"BlockStatement"===e.alternate.type?this.astGeneric(e.alternate,t,s):(t.push(" {\n"),this.astGeneric(e.alternate,t,s),t.push("\n}\n"))),t}},{key:"astBreakStatement",value:function(e,t,s){return t.push("break;\n"),t}},{key:"astContinueStatement",value:function(e,t,s){return t.push("continue;\n"),t}},{key:"astLogicalExpression",value:function(e,t,s){return t.push("("),this.astGeneric(e.left,t,s),t.push(e.operator),this.astGeneric(e.right,t,s),t.push(")"),t}},{key:"astUpdateExpression",value:function(e,t,s){return e.prefix?(t.push(e.operator),this.astGeneric(e.argument,t,s)):(this.astGeneric(e.argument,t,s),t.push(e.operator)),t}},{key:"astUnaryExpression",value:function(e,t,s){return e.prefix?(t.push(e.operator),this.astGeneric(e.argument,t,s)):(this.astGeneric(e.argument,t,s),t.push(e.operator)),t}},{key:"astThisExpression",value:function(e,t,s){return t.push("this"),t}},{key:"astMemberExpression",value:function(e,t,s){if(e.computed)if("Identifier"===e.object.type){var r=e.object.name,n=(s.functionName,!1);if(s.paramNames){var i=s.paramNames.indexOf(r);i>=0&&"float"===s.paramTypes[i]&&(n=!0)}n?(this.astGeneric(e.object,t,s),t.push("[int("),this.astGeneric(e.property,t,s),t.push(")]")):(t.push("get("),this.astGeneric(e.object,t,s),t.push(", vec2("),this.astGeneric(e.object,t,s),t.push("Size[0],"),this.astGeneric(e.object,t,s),t.push("Size[1]), vec3("),this.astGeneric(e.object,t,s),t.push("Dim[0],"),this.astGeneric(e.object,t,s),t.push("Dim[1],"),this.astGeneric(e.object,t,s),t.push("Dim[2]"),t.push("), "),this.astGeneric(e.property,t,s),t.push(")"))}else{this.astGeneric(e.object,t,s);var a=t.pop();t.push(","),this.astGeneric(e.property,t,s),t.push(a)}else{var u=this.astMemberExpressionUnroll(e),o=u.toLowerCase();switch(0===u.indexOf(constantsPrefix)&&(u="constants_"+u.slice(constantsPrefix.length)),o){case"this.thread.x":t.push("threadId.x");break;case"this.thread.y":t.push("threadId.y");break;case"this.thread.z":t.push("threadId.z");break;case"this.output.x":t.push(this.output[0]+".0");break;case"this.output.y":t.push(this.output[1]+".0");break;case"this.output.z":t.push(this.output[2]+".0");break;default:t.push(u)}}return t}},{key:"astSequenceExpression",value:function(e,t,s){for(var r=0;r<e.expressions.length;r++)r>0&&t.push(","),this.astGeneric(e.expressions,t,s);return t}},{key:"astCallExpression",value:function(e,t,s){if(e.callee){var r=this.astMemberExpressionUnroll(e.callee);0===r.indexOf(jsMathPrefix)&&(r=r.slice(jsMathPrefix.length)),0===r.indexOf(localPrefix)&&(r=r.slice(localPrefix.length)),"atan2"===r&&(r="atan"),s.calledFunctions.indexOf(r)<0&&s.calledFunctions.push(r),s.hasOwnProperty("funcName")||(s.calledFunctionsArguments[r]=[]);var n=[];s.calledFunctionsArguments[r].push(n),t.push(r),t.push("(");for(var i=0;i<e.arguments.length;++i){var a=e.arguments[i];if(i>0&&t.push(", "),this.astGeneric(a,t,s),"Identifier"===a.type){var u=s.paramNames.indexOf(a.name);-1===u?n.push(null):n.push({name:a.name,type:s.paramTypes[u]})}else n.push(null)}return t.push(")"),t}throw this.astErrorOutput("Unknown CallExpression",e,s)}},{key:"astArrayExpression",value:function(e,t,s){var r=e.elements.length;t.push("float["+r+"](");for(var n=0;n<r;++n){n>0&&t.push(", ");var i=e.elements[n];this.astGeneric(i,t,s)}return t.push(")"),t}},{key:"getFunctionPrototypeString",value:function(){return this.webGlFunctionPrototypeString?this.webGlFunctionPrototypeString:this.webGlFunctionPrototypeString=this.generate()}},{key:"build",value:function(){return this.getFunctionPrototypeString().length>0}}],[{key:"astFunctionPrototype",value:function(e,t,s){if(s.isRootKernel||s.isSubKernel)return t;t.push(s.returnType),t.push(" "),t.push(s.functionName),t.push("(");for(var r=0;r<s.paramNames.length;++r)r>0&&t.push(", "),t.push(s.paramTypes[r]),t.push(" "),t.push("user_"),t.push(s.paramNames[r]);return t.push(");\n"),t}}]),t}(FunctionNodeBase);
 
-},{"../../core/utils":83,"../function-node-base":58}],64:[function(require,module,exports){
+},{"../../core/utils":86,"../function-node-base":61}],67:[function(require,module,exports){
 "use strict";function removeFnNoise(t){return/^function /.test(t)&&(t=t.substring(9)),t.replace(/[_]typeof/g,"typeof")}function removeNoise(t){return t.replace(/[_]typeof/g,"typeof")}var utils=require("../../core/utils"),kernelRunShortcut=require("../kernel-run-shortcut");module.exports=function(t,e){return"() => {\n    "+kernelRunShortcut.toString()+";\n    const utils = {\n      allPropertiesOf: "+removeNoise(utils.allPropertiesOf.toString())+",\n      clone: "+removeNoise(utils.clone.toString())+",\n      splitArray: "+removeNoise(utils.splitArray.toString())+",\n      getArgumentType: "+removeNoise(utils.getArgumentType.toString())+",\n      getDimensions: "+removeNoise(utils.getDimensions.toString())+",\n      dimToTexSize: "+removeNoise(utils.dimToTexSize.toString())+",\n      flattenTo: "+removeNoise(utils.flattenTo.toString())+",\n      flatten2dArrayTo: "+removeNoise(utils.flatten2dArrayTo.toString())+",\n      flatten3dArrayTo: "+removeNoise(utils.flatten3dArrayTo.toString())+",\n      systemEndianness: '"+removeNoise(utils.systemEndianness())+"',\n      initWebGl: "+removeNoise(utils.initWebGl.toString())+",\n      isArray: "+removeNoise(utils.isArray.toString())+"\n    };\n    const Utils = utils;\n    const canvases = [];\n    const maxTexSizes = {};\n    class "+(e||"Kernel")+" {\n      constructor() {\n        this.maxTexSize = null;\n        this.argumentsLength = 0;\n        this._canvas = null;\n        this._webGl = null;\n        this.built = false;\n        this.program = null;\n        this.paramNames = "+JSON.stringify(t.paramNames)+";\n        this.paramTypes = "+JSON.stringify(t.paramTypes)+";\n        this.texSize = "+JSON.stringify(t.texSize)+";\n        this.output = "+JSON.stringify(t.output)+";\n        this.compiledFragShaderString = `"+t.compiledFragShaderString+"`;\n\t\t    this.compiledVertShaderString = `"+t.compiledVertShaderString+"`;\n\t\t    this.programUniformLocationCache = {};\n\t\t    this.textureCache = {};\n\t\t    this.subKernelOutputTextures = null;\n\t\t    this.subKernelOutputVariableNames = null;\n\t\t    this.uniform1fCache = {};\n\t\t    this.uniform1iCache = {};\n\t\t    this.uniform2fCache = {};\n\t\t    this.uniform2fvCache = {};\n\t\t    this.uniform3fvCache = {};\n      }\n      "+removeFnNoise(t._getFragShaderString.toString())+"\n      "+removeFnNoise(t._getVertShaderString.toString())+"\n      validateOptions() {}\n      setupParams() {}\n      setCanvas(canvas) { this._canvas = canvas; return this; }\n      setWebGl(webGl) { this._webGl = webGl; return this; }\n      "+removeFnNoise(t.getUniformLocation.toString())+"\n      "+removeFnNoise(t.setupParams.toString())+"\n      "+removeFnNoise(t.build.toString())+"\n\t\t  "+removeFnNoise(t.run.toString())+"\n\t\t  "+removeFnNoise(t._addArgument.toString())+"\n\t\t  "+removeFnNoise(t.getArgumentTexture.toString())+"\n\t\t  "+removeFnNoise(t.getTextureCache.toString())+"\n\t\t  "+removeFnNoise(t.getOutputTexture.toString())+"\n\t\t  "+removeFnNoise(t.renderOutput.toString())+"\n\t\t  "+removeFnNoise(t.updateMaxTexSize.toString())+"\n\t\t  "+removeFnNoise(t._setupOutputTexture.toString())+"\n\t\t  "+removeFnNoise(t.detachTextureCache.toString())+"\n\t\t  "+removeFnNoise(t.setUniform1f.toString())+"\n\t\t  "+removeFnNoise(t.setUniform1i.toString())+"\n\t\t  "+removeFnNoise(t.setUniform2f.toString())+"\n\t\t  "+removeFnNoise(t.setUniform2fv.toString())+"\n\t\t  "+removeFnNoise(t.setUniform3fv.toString())+" \n    };\n    return kernelRunShortcut(new Kernel());\n  };"};
 
-},{"../../core/utils":83,"../kernel-run-shortcut":60}],65:[function(require,module,exports){
+},{"../../core/utils":86,"../kernel-run-shortcut":63}],68:[function(require,module,exports){
 "use strict";function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function _inherits(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}var _createClass=function(){function e(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}return function(t,r,i){return r&&e(t.prototype,r),i&&e(t,i),t}}(),KernelBase=require("../kernel-base"),utils=require("../../core/utils"),Texture=require("../../core/texture"),fragShaderString=require("./shader-frag"),vertShaderString=require("./shader-vert"),kernelString=require("./kernel-string"),canvases=[],maxTexSizes={};module.exports=function(e){function t(e,r){_classCallCheck(this,t);var i=_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).call(this,e,r));return i.textureCache={},i.threadDim={},i.programUniformLocationCache={},i.framebuffer=null,i.buffer=null,i.program=null,i.outputToTexture=r.outputToTexture,i.endianness=utils.systemEndianness(),i.subKernelOutputTextures=null,i.subKernelOutputVariableNames=null,i.argumentsLength=0,i.compiledFragShaderString=null,i.compiledVertShaderString=null,i.drawBuffersMap=null,i.outputTexture=null,i.maxTexSize=null,i.uniform1fCache={},i.uniform1iCache={},i.uniform2fCache={},i.uniform2fvCache={},i.uniform3fvCache={},i._webGl||(i._webGl=i.initWebGl()),i}return _inherits(t,e),_createClass(t,[{key:"initWebGl",value:function(){return utils.initWebGl(this.getCanvas())}},{key:"validateOptions",value:function(){var e=utils.isFloatReadPixelsSupported();if(!0===this.floatTextures&&!utils.OES_texture_float)throw new Error("Float textures are not supported on this browser");if(!0===this.floatOutput&&!0!==this.floatOutputForce&&!e)throw new Error("Float texture outputs are not supported on this browser");if(void 0===this.floatTextures&&utils.OES_texture_float&&(this.floatTextures=!0,this.floatOutput=e),!this.output||0===this.output.length){if(1!==arguments.length)throw new Error("Auto output only supported for kernels with only one input");var t=utils.getArgumentType(arguments[0]);if("Array"===t)this.output=utils.getDimensions(t);else{if("Texture"!==t)throw new Error("Auto output not supported for input type: "+t);this.output=arguments[0].output}}if(this.texSize=utils.dimToTexSize({floatTextures:this.floatTextures,floatOutput:this.floatOutput},this.output,!0),this.graphical){if(2!==this.output.length)throw new Error("Output must have 2 dimensions on graphical mode");this.floatOutput&&(this.floatOutput=!1,console.warn("Cannot use graphical mode and float output at the same time")),this.texSize=utils.clone(this.output)}else void 0===this.floatOutput&&utils.OES_texture_float&&(this.floatOutput=!0)}},{key:"updateMaxTexSize",value:function(){var e=this.texSize,t=this._canvas;if(null===this.maxTexSize){var r=canvases.indexOf(t);-1===r&&(r=canvases.length,canvases.push(t),maxTexSizes[r]=[e[0],e[1]]),this.maxTexSize=maxTexSizes[r]}this.maxTexSize[0]<e[0]&&(this.maxTexSize[0]=e[0]),this.maxTexSize[1]<e[1]&&(this.maxTexSize[1]=e[1])}},{key:"build",value:function(){this.validateOptions(),this.setupParams(arguments),this.updateMaxTexSize();var e=this.texSize,t=this._webGl,r=this._canvas;t.enable(t.SCISSOR_TEST),t.viewport(0,0,this.maxTexSize[0],this.maxTexSize[1]),r.width=this.maxTexSize[0],r.height=this.maxTexSize[1];for(var i=this.threadDim=utils.clone(this.output);i.length<3;)i.push(1);this.functionBuilder&&this._addKernels();var n=this._getVertShaderString(arguments),u=t.createShader(t.VERTEX_SHADER);t.shaderSource(u,n),t.compileShader(u);var s=this._getFragShaderString(arguments),a=t.createShader(t.FRAGMENT_SHADER);if(t.shaderSource(a,s),t.compileShader(a),!t.getShaderParameter(u,t.COMPILE_STATUS))throw console.log(n),console.error("An error occurred compiling the shaders: "+t.getShaderInfoLog(u)),new Error("Error compiling vertex shader");if(!t.getShaderParameter(a,t.COMPILE_STATUS))throw console.log(s),console.error("An error occurred compiling the shaders: "+t.getShaderInfoLog(a)),new Error("Error compiling fragment shader");this.debug&&(console.log("Options:"),console.dir(this),console.log("GLSL Shader Output:"),console.log(s));var o=this.program=t.createProgram();t.attachShader(o,u),t.attachShader(o,a),t.linkProgram(o),this.framebuffer=t.createFramebuffer(),this.framebuffer.width=e[0],this.framebuffer.height=e[1];var h=new Float32Array([-1,-1,1,-1,-1,1,1,1]),l=new Float32Array([0,0,1,0,0,1,1,1]),f=h.byteLength,T=this.buffer;T?t.bindBuffer(t.ARRAY_BUFFER,T):(T=this.buffer=t.createBuffer(),t.bindBuffer(t.ARRAY_BUFFER,T),t.bufferData(t.ARRAY_BUFFER,h.byteLength+l.byteLength,t.STATIC_DRAW)),t.bufferSubData(t.ARRAY_BUFFER,0,h),t.bufferSubData(t.ARRAY_BUFFER,f,l);var p=t.getAttribLocation(this.program,"aPos");t.enableVertexAttribArray(p),t.vertexAttribPointer(p,2,t.FLOAT,t.FALSE,0,0);var g=t.getAttribLocation(this.program,"aTexCoord");t.enableVertexAttribArray(g),t.vertexAttribPointer(g,2,t.FLOAT,t.FALSE,0,f),t.bindFramebuffer(t.FRAMEBUFFER,this.framebuffer),this.outputImmutable||(this._setupOutputTexture(),null!==this.subKernelOutputVariableNames&&this.subKernelOutputVariableNames.length>0&&this._setupSubOutputTextures(this.subKernelOutputVariableNames.length))}},{key:"run",value:function(){null===this.program&&this.build.apply(this,arguments);var e=this.paramNames,t=this.paramTypes,r=this.texSize,i=this._webGl;i.useProgram(this.program),i.scissor(0,0,r[0],r[1]),this.hardcodeConstants||(this.setUniform3fv("uOutputDim",this.threadDim),this.setUniform2fv("uTexSize",r)),this.setUniform2f("ratio",r[0]/this.maxTexSize[0],r[1]/this.maxTexSize[1]),this.argumentsLength=0;for(var n=0;n<e.length;n++)this._addArgument(arguments[n],t[n],e[n]);if(this.graphical)return i.bindRenderbuffer(i.RENDERBUFFER,null),i.bindFramebuffer(i.FRAMEBUFFER,null),void i.drawArrays(i.TRIANGLE_STRIP,0,4);i.bindFramebuffer(i.FRAMEBUFFER,this.framebuffer),this.outputImmutable&&this._setupOutputTexture();var u=this.outputTexture;if(null!==this.subKernelOutputVariableNames&&(this.outputImmutable&&(this.subKernelOutputTextures=[],this._setupSubOutputTextures(this.subKernelOutputVariableNames.length)),this.drawBuffers.drawBuffersWEBGL(this.drawBuffersMap)),i.drawArrays(i.TRIANGLE_STRIP,0,4),null!==this.subKernelOutputTextures){if(null!==this.subKernels){var s=[];s.result=this.renderOutput(u);for(var a=0;a<this.subKernels.length;a++)s.push(new Texture(this.subKernelOutputTextures[a],r,this.threadDim,this.output,this._webGl));return s}if(null!==this.subKernelProperties){var o={result:this.renderOutput(u)},h=0;for(var l in this.subKernelProperties)this.subKernelProperties.hasOwnProperty(l)&&(o[l]=new Texture(this.subKernelOutputTextures[h],r,this.threadDim,this.output,this._webGl),h++);return o}}return this.renderOutput(u)}},{key:"renderOutput",value:function(e){var t=this.texSize,r=this._webGl,i=this.threadDim,n=this.output;if(this.outputToTexture)return new Texture(e,t,this.threadDim,n,this._webGl);var u=void 0;if(this.floatOutput)u=new Float32Array(t[0]*t[1]*4),r.readPixels(0,0,t[0],t[1],r.RGBA,r.FLOAT,u);else{var s=new Uint8Array(t[0]*t[1]*4);r.readPixels(0,0,t[0],t[1],r.RGBA,r.UNSIGNED_BYTE,s),u=new Float32Array(s.buffer)}if(u=u.subarray(0,i[0]*i[1]*i[2]),1===n.length)return u;if(2===n.length)return utils.splitArray(u,n[0]);if(3===n.length){return utils.splitArray(u,n[0]*n[1]).map(function(e){return utils.splitArray(e,n[0])})}}},{key:"getOutputTexture",value:function(){return this.outputTexture}},{key:"_setupOutputTexture",value:function(){var e=this._webGl,t=this.texSize,r=this.outputTexture=this._webGl.createTexture();e.activeTexture(e.TEXTURE0+this.paramNames.length),e.bindTexture(e.TEXTURE_2D,r),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),this.floatOutput?e.texImage2D(e.TEXTURE_2D,0,e.RGBA,t[0],t[1],0,e.RGBA,e.FLOAT,null):e.texImage2D(e.TEXTURE_2D,0,e.RGBA,t[0],t[1],0,e.RGBA,e.UNSIGNED_BYTE,null),e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,r,0)}},{key:"_setupSubOutputTextures",value:function(e){for(var t=this._webGl,r=this.texSize,i=this.drawBuffersMap=[t.COLOR_ATTACHMENT0],n=this.subKernelOutputTextures=[],u=0;u<e;u++){var s=this._webGl.createTexture();n.push(s),i.push(t.COLOR_ATTACHMENT0+u+1),t.activeTexture(t.TEXTURE0+this.paramNames.length+u),t.bindTexture(t.TEXTURE_2D,s),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),this.floatOutput?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,r[0],r[1],0,t.RGBA,t.FLOAT,null):t.texImage2D(t.TEXTURE_2D,0,t.RGBA,r[0],r[1],0,t.RGBA,t.UNSIGNED_BYTE,null),t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+u+1,t.TEXTURE_2D,s,0)}}},{key:"getArgumentTexture",value:function(e){return this.getTextureCache("ARGUMENT_"+e)}},{key:"getTextureCache",value:function(e){return this.textureCache.hasOwnProperty(e)?this.textureCache[e]:this.textureCache[e]=this._webGl.createTexture()}},{key:"detachTextureCache",value:function(e){delete this.textureCache[e]}},{key:"setUniform1f",value:function(e,t){if(this.uniform1fCache.hasOwnProperty(e)){if(t===this.uniform1fCache[e])return}this.uniform1fCache[e]=t;var r=this.getUniformLocation(e);this._webGl.uniform1f(r,t)}},{key:"setUniform1i",value:function(e,t){if(this.uniform1iCache.hasOwnProperty(e)){if(t===this.uniform1iCache[e])return}this.uniform1iCache[e]=t;var r=this.getUniformLocation(e);this._webGl.uniform1i(r,t)}},{key:"setUniform2f",value:function(e,t,r){if(this.uniform2fCache.hasOwnProperty(e)){var i=this.uniform2fCache[e];if(t===i[0]&&r===i[1])return}this.uniform2fCache[e]=[t,r];var n=this.getUniformLocation(e);this._webGl.uniform2f(n,t,r)}},{key:"setUniform2fv",value:function(e,t){if(this.uniform2fvCache.hasOwnProperty(e)){var r=this.uniform2fvCache[e];if(t[0]===r[0]&&t[1]===r[1])return}this.uniform2fvCache[e]=t;var i=this.getUniformLocation(e);this._webGl.uniform2fv(i,t)}},{key:"setUniform3fv",value:function(e,t){if(this.uniform3fvCache.hasOwnProperty(e)){var r=this.uniform3fvCache[e];if(t[0]===r[0]&&t[1]===r[1]&&t[2]===r[2])return}this.uniform3fvCache[e]=t;var i=this.getUniformLocation(e);this._webGl.uniform3fv(i,t)}},{key:"getUniformLocation",value:function(e){return this.programUniformLocationCache.hasOwnProperty(e)?this.programUniformLocationCache[e]:this.programUniformLocationCache[e]=this._webGl.getUniformLocation(this.program,e)}},{key:"_getFragShaderArtifactMap",value:function(e){return{HEADER:this._getHeaderString(),LOOP_MAX:this._getLoopMaxString(),CONSTANTS:this._getConstantsString(),DECODE32_ENDIANNESS:this._getDecode32EndiannessString(),ENCODE32_ENDIANNESS:this._getEncode32EndiannessString(),GET_WRAPAROUND:this._getGetWraparoundString(),GET_TEXTURE_CHANNEL:this._getGetTextureChannelString(),GET_TEXTURE_INDEX:this._getGetTextureIndexString(),GET_RESULT:this._getGetResultString(),MAIN_PARAMS:this._getMainParamsString(e),MAIN_CONSTANTS:this._getMainConstantsString(),KERNEL:this._getKernelString(),MAIN_RESULT:this._getMainResultString()}}},{key:"_addArgument",value:function(e,t,r){var i=this._webGl,n=this.getArgumentTexture(r);switch(e instanceof Texture&&(t="Texture"),t){case"Array":var u=utils.getDimensions(e,!0),s=utils.dimToTexSize({floatTextures:this.floatTextures,floatOutput:this.floatOutput},u);i.activeTexture(i.TEXTURE0+this.argumentsLength),i.bindTexture(i.TEXTURE_2D,n),i.texParameteri(i.TEXTURE_2D,i.TEXTURE_WRAP_S,i.CLAMP_TO_EDGE),i.texParameteri(i.TEXTURE_2D,i.TEXTURE_WRAP_T,i.CLAMP_TO_EDGE),i.texParameteri(i.TEXTURE_2D,i.TEXTURE_MIN_FILTER,i.NEAREST),i.texParameteri(i.TEXTURE_2D,i.TEXTURE_MAG_FILTER,i.NEAREST);var a=s[0]*s[1];this.floatTextures&&(a*=4);var o=new Float32Array(a);utils.flattenTo(e,o);var h=void 0;this.floatTextures?i.texImage2D(i.TEXTURE_2D,0,i.RGBA,s[0],s[1],0,i.RGBA,i.FLOAT,o):(h=new Uint8Array(o.buffer),i.texImage2D(i.TEXTURE_2D,0,i.RGBA,s[0],s[1],0,i.RGBA,i.UNSIGNED_BYTE,h)),this.hardcodeConstants||(this.setUniform3fv("user_"+r+"Dim",u),this.setUniform2fv("user_"+r+"Size",s)),this.setUniform1i("user_"+r,this.argumentsLength);break;case"Number":this.setUniform1f("user_"+r,e);break;case"Input":var l=e,f=l.size,T=utils.dimToTexSize({floatTextures:this.floatTextures,floatOutput:this.floatOutput},f);i.activeTexture(i.TEXTURE0+this.argumentsLength),i.bindTexture(i.TEXTURE_2D,n),i.texParameteri(i.TEXTURE_2D,i.TEXTURE_WRAP_S,i.CLAMP_TO_EDGE),i.texParameteri(i.TEXTURE_2D,i.TEXTURE_WRAP_T,i.CLAMP_TO_EDGE),i.texParameteri(i.TEXTURE_2D,i.TEXTURE_MIN_FILTER,i.NEAREST),i.texParameteri(i.TEXTURE_2D,i.TEXTURE_MAG_FILTER,i.NEAREST);var p=T[0]*T[1],g=void 0;if(this.floatTextures?(p*=4,g=new Float32Array(p),g.set(l.value)):g=l.value,this.floatTextures)i.texImage2D(i.TEXTURE_2D,0,i.RGBA,T[0],T[1],0,i.RGBA,i.FLOAT,g);else{var c=new Uint8Array(g.buffer);i.texImage2D(i.TEXTURE_2D,0,i.RGBA,T[0],T[1],0,i.RGBA,i.UNSIGNED_BYTE,c)}this.hardcodeConstants||(this.setUniform3fv("user_"+r+"Dim",f),this.setUniform2fv("user_"+r+"Size",T)),this.setUniform1i("user_"+r,this.argumentsLength);break;case"Texture":var _=e,E=_.dimensions,m=_.size;i.activeTexture(i.TEXTURE0+this.argumentsLength),i.bindTexture(i.TEXTURE_2D,_.texture),this.setUniform3fv("user_"+r+"Dim",E),this.setUniform2fv("user_"+r+"Size",m),this.setUniform1i("user_"+r,this.argumentsLength);break;default:throw new Error("Input type not supported (WebGL): "+e)}this.argumentsLength++}},{key:"_getHeaderString",value:function(){return null!==this.subKernels||null!==this.subKernelProperties?"#extension GL_EXT_draw_buffers : require\n":""}},{key:"_getLoopMaxString",value:function(){return this.loopMaxIterations?" "+parseInt(this.loopMaxIterations)+".0;\n":" 1000.0;\n"}},{key:"_getConstantsString",value:function(){var e=[],t=this.threadDim,r=this.texSize;return this.hardcodeConstants?e.push("highp vec3 uOutputDim = vec3("+t[0]+","+t[1]+", "+t[2]+")","highp vec2 uTexSize = vec2("+r[0]+", "+r[1]+")"):e.push("uniform highp vec3 uOutputDim","uniform highp vec2 uTexSize"),this._linesToString(e)}},{key:"_getTextureCoordinate",value:function(){var e=this.subKernelOutputVariableNames;return null===e||e.length<1?"varying highp vec2 vTexCoord;\n":"out highp vec2 vTexCoord;\n"}},{key:"_getDecode32EndiannessString",value:function(){return"LE"===this.endianness?"":"  rgba.rgba = rgba.abgr;\n"}},{key:"_getEncode32EndiannessString",value:function(){return"LE"===this.endianness?"":"  rgba.rgba = rgba.abgr;\n"}},{key:"_getGetWraparoundString",value:function(){return this.wraparound?"  xyz = mod(xyz, texDim);\n":""}},{key:"_getGetTextureChannelString",value:function(){return this.floatTextures?this._linesToString(["  int channel = int(integerMod(index, 4.0))","  index = float(int(index) / 4)"]):""}},{key:"_getGetTextureIndexString",value:function(){return this.floatTextures?"  index = float(int(index)/4);\n":""}},{key:"_getGetResultString",value:function(){return this.floatTextures?this._linesToString(["  if (channel == 0) return texel.r","  if (channel == 1) return texel.g","  if (channel == 2) return texel.b","  if (channel == 3) return texel.a"]):"  return decode32(texel);\n"}},{key:"_getMainParamsString",value:function(e){for(var t=[],r=this.paramTypes,i=this.paramNames,n=0;n<i.length;n++){var u=e[n],s=i[n],a=r[n];if(this.hardcodeConstants)if("Array"===a||"Texture"===a){var o=utils.getDimensions(u,!0),h=utils.dimToTexSize({floatTextures:this.floatTextures,floatOutput:this.floatOutput},o);t.push("uniform highp sampler2D user_"+s,"highp vec2 user_"+s+"Size = vec2("+h[0]+".0, "+h[1]+".0)","highp vec3 user_"+s+"Dim = vec3("+o[0]+".0, "+o[1]+".0, "+o[2]+".0)")}else"Number"===a&&Number.isInteger(u)?t.push("highp float user_"+s+" = "+u+".0"):"Number"===a&&t.push("highp float user_"+s+" = "+u);else"Array"===a||"Texture"===a||"Input"===a?t.push("uniform highp sampler2D user_"+s,"uniform highp vec2 user_"+s+"Size","uniform highp vec3 user_"+s+"Dim"):"Number"===a&&t.push("uniform highp float user_"+s)}return this._linesToString(t)}},{key:"_getMainConstantsString",value:function(){var e=[];if(this.constants)for(var t in this.constants)if(this.constants.hasOwnProperty(t)){var r=parseFloat(this.constants[t]);Number.isInteger(r)?e.push("const float constants_"+t+" = "+parseInt(r)+".0"):e.push("const float constants_"+t+" = "+parseFloat(r))}return this._linesToString(e)}},{key:"_getKernelString",value:function(){var e=[],t=this.subKernelOutputVariableNames;if(null!==t){e.push("highp float kernelResult = 0.0");for(var r=0;r<t.length;r++)e.push("highp float "+t[r]+" = 0.0")}else e.push("highp float kernelResult = 0.0");return this._linesToString(e)+this.functionBuilder.getPrototypeString("kernel")}},{key:"_getMainResultString",value:function(){var e=this.subKernelOutputVariableNames,t=[];if(this.floatOutput&&t.push("  index *= 4.0"),this.graphical)t.push("  threadId = indexTo3D(index, uOutputDim)","  kernel()","  gl_FragColor = actualColor");else if(this.floatOutput)for(var r=["r","g","b","a"],i=0;i<r.length;++i){if(t.push("  threadId = indexTo3D(index, uOutputDim)"),t.push("  kernel()"),e){t.push("  gl_FragData[0]."+r[i]+" = kernelResult");for(var n=0;n<e.length;++n)t.push("  gl_FragData["+(n+1)+"]."+r[i]+" = "+e[n])}else t.push("  gl_FragColor."+r[i]+" = kernelResult");i<r.length-1&&t.push("  index += 1.0")}else if(null!==e){t.push("  threadId = indexTo3D(index, uOutputDim)"),t.push("  kernel()"),t.push("  gl_FragData[0] = encode32(kernelResult)");for(var u=0;u<e.length;u++)t.push("  gl_FragData["+(u+1)+"] = encode32("+e[u]+")")}else t.push("  threadId = indexTo3D(index, uOutputDim)","  kernel()","  gl_FragColor = encode32(kernelResult)");return this._linesToString(t)}},{key:"_linesToString",value:function(e){return e.length>0?e.join(";\n")+";\n":"\n"}},{key:"_replaceArtifacts",value:function(e,t){return e.replace(/[ ]*__([A-Z]+[0-9]*([_]?[A-Z])*)__;\n/g,function(e,r){if(t.hasOwnProperty(r))return t[r];throw"unhandled artifact "+r})}},{key:"_addKernels",value:function(){var e=this,t=this.functionBuilder,r=this._webGl;if(t.addFunctions(this.functions,{constants:this.constants,output:this.output}),t.addNativeFunctions(this.nativeFunctions),t.addKernel(this.fnString,{prototypeOnly:!1,constants:this.constants,output:this.output,debug:this.debug,loopMaxIterations:this.loopMaxIterations},this.paramNames,this.paramTypes),null!==this.subKernels){if(!(this.drawBuffers=r.getExtension("WEBGL_draw_buffers")))throw new Error("could not instantiate draw buffers extension");this.subKernelOutputVariableNames=[],this.subKernels.forEach(function(t){return e._addSubKernel(t)})}else if(null!==this.subKernelProperties){var i=this.drawBuffers=r.getExtension("WEBGL_draw_buffers");if(!i)throw new Error("could not instantiate draw buffers extension");this.subKernelOutputVariableNames=[],Object.keys(this.subKernelProperties).forEach(function(t){return e._addSubKernel(e.subKernelProperties[t])})}}},{key:"_addSubKernel",value:function(e){this.functionBuilder.addSubKernel(e,{prototypeOnly:!1,constants:this.constants,output:this.output,debug:this.debug,loopMaxIterations:this.loopMaxIterations}),this.subKernelOutputVariableNames.push(e.name+"Result")}},{key:"_getFragShaderString",value:function(e){return null!==this.compiledFragShaderString?this.compiledFragShaderString:this.compiledFragShaderString=this._replaceArtifacts(fragShaderString,this._getFragShaderArtifactMap(e))}},{key:"_getVertShaderString",value:function(e){return null!==this.compiledVertShaderString?this.compiledVertShaderString:this.compiledVertShaderString=vertShaderString}},{key:"toString",value:function(){return kernelString(this)}},{key:"addFunction",value:function(e){this.functionBuilder.addFunction(null,e)}}]),t}(KernelBase);
 
-},{"../../core/texture":81,"../../core/utils":83,"../kernel-base":59,"./kernel-string":64,"./shader-frag":67,"./shader-vert":68}],66:[function(require,module,exports){
+},{"../../core/texture":84,"../../core/utils":86,"../kernel-base":62,"./kernel-string":67,"./shader-frag":70,"./shader-vert":71}],69:[function(require,module,exports){
 "use strict";function _classCallCheck(e,r){if(!(e instanceof r))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(e,r){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!r||"object"!=typeof r&&"function"!=typeof r?e:r}function _inherits(e,r){if("function"!=typeof r&&null!==r)throw new TypeError("Super expression must either be null or a function, not "+typeof r);e.prototype=Object.create(r&&r.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),r&&(Object.setPrototypeOf?Object.setPrototypeOf(e,r):e.__proto__=r)}var _createClass=function(){function e(e,r){for(var t=0;t<r.length;t++){var n=r[t];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(r,t,n){return t&&e(r.prototype,t),n&&e(r,n),r}}(),RunnerBase=require("../runner-base"),WebGLKernel=require("./kernel"),utils=require("../../core/utils"),WebGLFunctionBuilder=require("./function-builder");module.exports=function(e){function r(e){_classCallCheck(this,r);var t=_possibleConstructorReturn(this,(r.__proto__||Object.getPrototypeOf(r)).call(this,new WebGLFunctionBuilder,e));return t.Kernel=WebGLKernel,t.kernel=null,t}return _inherits(r,e),_createClass(r,[{key:"getMode",value:function(){return"gpu"}}]),r}(RunnerBase);
 
-},{"../../core/utils":83,"../runner-base":61,"./function-builder":62,"./kernel":65}],67:[function(require,module,exports){
+},{"../../core/utils":86,"../runner-base":64,"./function-builder":65,"./kernel":68}],70:[function(require,module,exports){
 "use strict";module.exports="__HEADER__;\nprecision highp float;\nprecision highp int;\nprecision highp sampler2D;\n\nconst float LOOP_MAX = __LOOP_MAX__;\n#define EPSILON 0.0000001;\n\n__CONSTANTS__;\n\nvarying highp vec2 vTexCoord;\n\nvec4 round(vec4 x) {\n  return floor(x + 0.5);\n}\n\nhighp float round(highp float x) {\n  return floor(x + 0.5);\n}\n\nvec2 integerMod(vec2 x, float y) {\n  vec2 res = floor(mod(x, y));\n  return res * step(1.0 - floor(y), -res);\n}\n\nvec3 integerMod(vec3 x, float y) {\n  vec3 res = floor(mod(x, y));\n  return res * step(1.0 - floor(y), -res);\n}\n\nvec4 integerMod(vec4 x, vec4 y) {\n  vec4 res = floor(mod(x, y));\n  return res * step(1.0 - floor(y), -res);\n}\n\nhighp float integerMod(highp float x, highp float y) {\n  highp float res = floor(mod(x, y));\n  return res * (res > floor(y) - 1.0 ? 0.0 : 1.0);\n}\n\nhighp int integerMod(highp int x, highp int y) {\n  return int(integerMod(float(x), float(y)));\n}\n\n// Here be dragons!\n// DO NOT OPTIMIZE THIS CODE\n// YOU WILL BREAK SOMETHING ON SOMEBODY'S MACHINE\n// LEAVE IT AS IT IS, LEST YOU WASTE YOUR OWN TIME\nconst vec2 MAGIC_VEC = vec2(1.0, -256.0);\nconst vec4 SCALE_FACTOR = vec4(1.0, 256.0, 65536.0, 0.0);\nconst vec4 SCALE_FACTOR_INV = vec4(1.0, 0.00390625, 0.0000152587890625, 0.0); // 1, 1/256, 1/65536\nhighp float decode32(highp vec4 rgba) {\n  __DECODE32_ENDIANNESS__;\n  rgba *= 255.0;\n  vec2 gte128;\n  gte128.x = rgba.b >= 128.0 ? 1.0 : 0.0;\n  gte128.y = rgba.a >= 128.0 ? 1.0 : 0.0;\n  float exponent = 2.0 * rgba.a - 127.0 + dot(gte128, MAGIC_VEC);\n  float res = exp2(round(exponent));\n  rgba.b = rgba.b - 128.0 * gte128.x;\n  res = dot(rgba, SCALE_FACTOR) * exp2(round(exponent-23.0)) + res;\n  res *= gte128.y * -2.0 + 1.0;\n  return res;\n}\n\nhighp vec4 encode32(highp float f) {\n  highp float F = abs(f);\n  highp float sign = f < 0.0 ? 1.0 : 0.0;\n  highp float exponent = floor(log2(F));\n  highp float mantissa = (exp2(-exponent) * F);\n  // exponent += floor(log2(mantissa));\n  vec4 rgba = vec4(F * exp2(23.0-exponent)) * SCALE_FACTOR_INV;\n  rgba.rg = integerMod(rgba.rg, 256.0);\n  rgba.b = integerMod(rgba.b, 128.0);\n  rgba.a = exponent*0.5 + 63.5;\n  rgba.ba += vec2(integerMod(exponent+127.0, 2.0), sign) * 128.0;\n  rgba = floor(rgba);\n  rgba *= 0.003921569; // 1/255\n  __ENCODE32_ENDIANNESS__;\n  return rgba;\n}\n// Dragons end here\n\nhighp float index;\nhighp vec3 threadId;\n\nhighp vec3 indexTo3D(highp float idx, highp vec3 texDim) {\n  highp float z = floor(idx / (texDim.x * texDim.y));\n  idx -= z * texDim.x * texDim.y;\n  highp float y = floor(idx / texDim.x);\n  highp float x = integerMod(idx, texDim.x);\n  return vec3(x, y, z);\n}\n\nhighp float get(highp sampler2D tex, highp vec2 texSize, highp vec3 texDim, highp float z, highp float y, highp float x) {\n  highp vec3 xyz = vec3(x, y, z);\n  xyz = floor(xyz + 0.5);\n  __GET_WRAPAROUND__;\n  highp float index = round(xyz.x + texDim.x * (xyz.y + texDim.y * xyz.z));\n  __GET_TEXTURE_CHANNEL__;\n  highp float w = round(texSize.x);\n  vec2 st = vec2(integerMod(index, w), float(int(index) / int(w))) + 0.5;\n  __GET_TEXTURE_INDEX__;\n  highp vec4 texel = texture2D(tex, st / texSize);\n  __GET_RESULT__;\n}\n\nhighp float get(highp sampler2D tex, highp vec2 texSize, highp vec3 texDim, highp float y, highp float x) {\n  return get(tex, texSize, texDim, 0.0, y, x);\n}\n\nhighp float get(highp sampler2D tex, highp vec2 texSize, highp vec3 texDim, highp float x) {\n  return get(tex, texSize, texDim, 0.0, 0.0, x);\n}\n\nhighp vec4 actualColor;\nvoid color(float r, float g, float b, float a) {\n  actualColor = vec4(r,g,b,a);\n}\n\nvoid color(float r, float g, float b) {\n  color(r,g,b,1.0);\n}\n\n__MAIN_PARAMS__;\n__MAIN_CONSTANTS__;\n__KERNEL__;\n\nvoid main(void) {\n  index = floor(vTexCoord.s * float(uTexSize.x)) + floor(vTexCoord.t * float(uTexSize.y)) * uTexSize.x;\n  __MAIN_RESULT__;\n}";
 
-},{}],68:[function(require,module,exports){
+},{}],71:[function(require,module,exports){
 "use strict";module.exports="precision highp float;\nprecision highp int;\nprecision highp sampler2D;\n\nattribute highp vec2 aPos;\nattribute highp vec2 aTexCoord;\n\nvarying highp vec2 vTexCoord;\nuniform vec2 ratio;\n\nvoid main(void) {\n  gl_Position = vec4((aPos + vec2(1)) * ratio + vec2(-1), 0, 1);\n  vTexCoord = aTexCoord;\n}";
 
-},{}],69:[function(require,module,exports){
+},{}],72:[function(require,module,exports){
 "use strict";function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function _inherits(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}var _createClass=function(){function e(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}(),WebGLKernel=require("./kernel"),utils=require("../../core/utils");module.exports=function(e){function t(){return _classCallCheck(this,t),_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).apply(this,arguments))}return _inherits(t,e),_createClass(t,[{key:"validateOptions",value:function(){this.texSize=utils.dimToTexSize({floatTextures:this.floatTextures,floatOutput:this.floatOutput},this.output,!0)}}]),t}(WebGLKernel);
 
-},{"../../core/utils":83,"./kernel":65}],70:[function(require,module,exports){
+},{"../../core/utils":86,"./kernel":68}],73:[function(require,module,exports){
 "use strict";function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function _inherits(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}var FunctionBuilderBase=require("../function-builder-base"),WebGLFunctionNode=require("./function-node");module.exports=function(e){function t(){_classCallCheck(this,t);var e=_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return e.Node=WebGLFunctionNode,e}return _inherits(t,e),t}(FunctionBuilderBase);
 
-},{"../function-builder-base":57,"./function-node":71}],71:[function(require,module,exports){
-arguments[4][63][0].apply(exports,arguments)
-},{"../../core/utils":83,"../function-node-base":58,"dup":63}],72:[function(require,module,exports){
+},{"../function-builder-base":60,"./function-node":74}],74:[function(require,module,exports){
+arguments[4][66][0].apply(exports,arguments)
+},{"../../core/utils":86,"../function-node-base":61,"dup":66}],75:[function(require,module,exports){
 "use strict";function _classCallCheck(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function _inherits(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}var _createClass=function(){function t(t,e){for(var r=0;r<e.length;r++){var u=e[r];u.enumerable=u.enumerable||!1,u.configurable=!0,"value"in u&&(u.writable=!0),Object.defineProperty(t,u.key,u)}}return function(e,r,u){return r&&t(e.prototype,r),u&&t(e,u),e}}(),WebGLKernel=require("../web-gl/kernel"),utils=require("../../core/utils"),Texture=require("../../core/texture"),fragShaderString=require("./shader-frag"),vertShaderString=require("./shader-vert");module.exports=function(t){function e(){return _classCallCheck(this,e),_possibleConstructorReturn(this,(e.__proto__||Object.getPrototypeOf(e)).apply(this,arguments))}return _inherits(e,t),_createClass(e,[{key:"initWebGl",value:function(){return utils.initWebGl2(this.getCanvas())}},{key:"validateOptions",value:function(){var t=utils.isFloatReadPixelsSupportedWebGL2();if(!0===this.floatOutput&&!0!==this.floatOutputForce&&!t)throw new Error("Float texture outputs are not supported on this browser");if(void 0===this.floatTextures&&(this.floatTextures=!0,this.floatOutput=t),!this.output||0===this.output.length){if(1!==arguments.length)throw new Error("Auto output only supported for kernels with only one input");var e=utils.getArgumentType(arguments[0]);if("Array"===e)this.output=utils.getDimensions(e);else{if("Texture"!==e)throw new Error("Auto output not supported for input type: "+e);this.output=arguments[0].output}}if(this.texSize=utils.dimToTexSize({floatTextures:this.floatTextures,floatOutput:this.floatOutput},this.output,!0),this.graphical){if(2!==this.output.length)throw new Error("Output must have 2 dimensions on graphical mode");this.floatOutput&&(this.floatOutput=!1,console.warn("Cannot use graphical mode and float output at the same time")),this.texSize=utils.clone(this.output)}else void 0===this.floatOutput&&(this.floatOutput=!0);(this.floatOutput||this.floatOutputForce)&&this._webGl.getExtension("EXT_color_buffer_float")}},{key:"run",value:function(){null===this.program&&this.build.apply(this,arguments);var t=this.paramNames,e=this.paramTypes,r=this.texSize,u=this._webGl;u.useProgram(this.program),u.scissor(0,0,r[0],r[1]),this.hardcodeConstants||(this.setUniform3fv("uOutputDim",this.threadDim),this.setUniform2fv("uTexSize",r)),this.setUniform2f("ratio",r[0]/this.maxTexSize[0],r[1]/this.maxTexSize[1]),this.argumentsLength=0;for(var i=0;i<t.length;i++)this._addArgument(arguments[i],e[i],t[i]);if(this.graphical)return u.bindRenderbuffer(u.RENDERBUFFER,null),u.bindFramebuffer(u.FRAMEBUFFER,null),void u.drawArrays(u.TRIANGLE_STRIP,0,4);u.bindFramebuffer(u.FRAMEBUFFER,this.framebuffer),this.outputImmutable&&this._setupOutputTexture();var s=this.outputTexture;if(null!==this.subKernelOutputVariableNames&&(this.outputImmutable&&(this.subKernelOutputTextures=[],this._setupSubOutputTextures(this.subKernelOutputVariableNames.length)),u.drawBuffers(this.drawBuffersMap)),u.drawArrays(u.TRIANGLE_STRIP,0,4),null!==this.subKernelOutputTextures){if(null!==this.subKernels){var a=[];a.result=this.renderOutput(s);for(var n=0;n<this.subKernels.length;n++)a.push(new Texture(this.subKernelOutputTextures[n],r,this.threadDim,this.output,this._webGl));return a}if(null!==this.subKernelProperties){var o={result:this.renderOutput(s)},h=0;for(var l in this.subKernelProperties)this.subKernelProperties.hasOwnProperty(l)&&(o[l]=new Texture(this.subKernelOutputTextures[h],r,this.threadDim,this.output,this._webGl),h++);return o}}return this.renderOutput(s)}},{key:"getOutputTexture",value:function(){return this.outputTexture}},{key:"_setupOutputTexture",value:function(){var t=this._webGl,e=this.texSize,r=this.outputTexture=this._webGl.createTexture();t.activeTexture(t.TEXTURE0+this.paramNames.length),t.bindTexture(t.TEXTURE_2D,r),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),this.floatOutput?t.texImage2D(t.TEXTURE_2D,0,t.RGBA32F,e[0],e[1],0,t.RGBA,t.FLOAT,null):t.texImage2D(t.TEXTURE_2D,0,t.RGBA,e[0],e[1],0,t.RGBA,t.UNSIGNED_BYTE,null),t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,r,0)}},{key:"_setupSubOutputTextures",value:function(t){for(var e=this._webGl,r=this.texSize,u=this.drawBuffersMap=[e.COLOR_ATTACHMENT0],i=this.subKernelOutputTextures=[],s=0;s<t;s++){var a=this._webGl.createTexture();i.push(a),u.push(e.COLOR_ATTACHMENT0+s+1),e.activeTexture(e.TEXTURE0+this.paramNames.length+s),e.bindTexture(e.TEXTURE_2D,a),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),this.floatOutput?e.texImage2D(e.TEXTURE_2D,0,e.RGBA32F,r[0],r[1],0,e.RGBA,e.FLOAT,null):e.texImage2D(e.TEXTURE_2D,0,e.RGBA,r[0],r[1],0,e.RGBA,e.UNSIGNED_BYTE,null),e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0+s+1,e.TEXTURE_2D,a,0)}}},{key:"_addArgument",value:function(t,e,r){var u=this._webGl,i=this.getArgumentTexture(r);switch(t instanceof Texture&&(e="Texture"),e){case"Array":var s=utils.getDimensions(t,!0),a=utils.dimToTexSize({floatTextures:this.floatTextures,floatOutput:this.floatOutput},s);u.activeTexture(u.TEXTURE0+this.argumentsLength),u.bindTexture(u.TEXTURE_2D,i),u.texParameteri(u.TEXTURE_2D,u.TEXTURE_WRAP_S,u.CLAMP_TO_EDGE),u.texParameteri(u.TEXTURE_2D,u.TEXTURE_WRAP_T,u.CLAMP_TO_EDGE),u.texParameteri(u.TEXTURE_2D,u.TEXTURE_MIN_FILTER,u.NEAREST),u.texParameteri(u.TEXTURE_2D,u.TEXTURE_MAG_FILTER,u.NEAREST);var n=a[0]*a[1];this.floatTextures&&(n*=4);var o=new Float32Array(n);utils.flattenTo(t,o);var h=void 0;this.floatTextures?u.texImage2D(u.TEXTURE_2D,0,u.RGBA32F,a[0],a[1],0,u.RGBA,u.FLOAT,o):(h=new Uint8Array(o.buffer),u.texImage2D(u.TEXTURE_2D,0,u.RGBA,a[0],a[1],0,u.RGBA,u.UNSIGNED_BYTE,h)),this.hardcodeConstants||(this.setUniform3fv("user_"+r+"Dim",s),this.setUniform2fv("user_"+r+"Size",a)),this.setUniform1i("user_"+r,this.argumentsLength);break;case"Number":this.setUniform1f("user_"+r,t);break;case"Input":var l=t,T=l.size,p=utils.dimToTexSize({floatTextures:this.floatTextures,floatOutput:this.floatOutput},T);u.activeTexture(u.TEXTURE0+this.argumentsLength),u.bindTexture(u.TEXTURE_2D,i),u.texParameteri(u.TEXTURE_2D,u.TEXTURE_WRAP_S,u.CLAMP_TO_EDGE),u.texParameteri(u.TEXTURE_2D,u.TEXTURE_WRAP_T,u.CLAMP_TO_EDGE),u.texParameteri(u.TEXTURE_2D,u.TEXTURE_MIN_FILTER,u.NEAREST),u.texParameteri(u.TEXTURE_2D,u.TEXTURE_MAG_FILTER,u.NEAREST);var E=p[0]*p[1],f=void 0;if(this.floatTextures?(E*=4,f=new Float32Array(E),f.set(l.value)):f=l.value,this.floatTextures)u.texImage2D(u.TEXTURE_2D,0,u.RGBA32F,p[0],p[1],0,u.RGBA,u.FLOAT,f);else{var _=new Uint8Array(f.buffer);u.texImage2D(u.TEXTURE_2D,0,u.RGBA,p[0],p[1],0,u.RGBA,u.UNSIGNED_BYTE,_)}this.hardcodeConstants||(this.setUniform3fv("user_"+r+"Dim",T),this.setUniform2fv("user_"+r+"Size",p)),this.setUniform1i("user_"+r,this.argumentsLength);break;case"Texture":var d=t,R=d.dimensions,c=d.size;u.activeTexture(u.TEXTURE0+this.argumentsLength),u.bindTexture(u.TEXTURE_2D,d.texture),this.setUniform3fv("user_"+r+"Dim",R),this.setUniform2fv("user_"+r+"Size",c),this.setUniform1i("user_"+r,this.argumentsLength);break;default:throw new Error("Input type not supported (WebGL): "+t)}this.argumentsLength++}},{key:"_getHeaderString",value:function(){return""}},{key:"_getTextureCoordinate",value:function(){var t=this.subKernelOutputVariableNames;return null===t||t.length<1?"in highp vec2 vTexCoord;\n":"out highp vec2 vTexCoord;\n"}},{key:"_getKernelString",value:function(){var t=[],e=this.subKernelOutputVariableNames;if(null!==e){t.push("highp float kernelResult = 0.0"),t.push("layout(location = 0) out highp vec4 data0");for(var r=0;r<e.length;r++)t.push("highp float "+e[r]+" = 0.0","layout(location = "+(r+1)+") out highp vec4 data"+(r+1))}else t.push("out highp vec4 data0"),t.push("highp float kernelResult = 0.0");return this._linesToString(t)+this.functionBuilder.getPrototypeString("kernel")}},{key:"_getMainResultString",value:function(){var t=this.subKernelOutputVariableNames,e=[];if(this.floatOutput&&e.push("  index *= 4.0"),this.graphical)e.push("  threadId = indexTo3D(index, uOutputDim)","  kernel()","  data0 = actualColor");else if(this.floatOutput)for(var r=["r","g","b","a"],u=0;u<r.length;++u){if(e.push("  threadId = indexTo3D(index, uOutputDim)"),e.push("  kernel()"),t){e.push("  data0."+r[u]+" = kernelResult");for(var i=0;i<t.length;++i)e.push("  data"+(i+1)+"."+r[u]+" = "+t[i])}else e.push("  data0."+r[u]+" = kernelResult");u<r.length-1&&e.push("  index += 1.0")}else if(null!==t){e.push("  threadId = indexTo3D(index, uOutputDim)"),e.push("  kernel()"),e.push("  data0 = encode32(kernelResult)");for(var s=0;s<t.length;s++)e.push("  data"+(s+1)+" = encode32("+t[s]+")")}else e.push("  threadId = indexTo3D(index, uOutputDim)","  kernel()","  data0 = encode32(kernelResult)");return this._linesToString(e)}},{key:"_addKernels",value:function(){var t=this,e=this.functionBuilder;this._webGl;e.addFunctions(this.functions,{constants:this.constants,output:this.output}),e.addNativeFunctions(this.nativeFunctions),e.addKernel(this.fnString,{prototypeOnly:!1,constants:this.constants,output:this.output,debug:this.debug,loopMaxIterations:this.loopMaxIterations},this.paramNames,this.paramTypes),null!==this.subKernels?(this.subKernelOutputTextures=[],this.subKernelOutputVariableNames=[],this.subKernels.forEach(function(e){return t._addSubKernel(e)})):null!==this.subKernelProperties&&(this.subKernelOutputTextures=[],this.subKernelOutputVariableNames=[],Object.keys(this.subKernelProperties).forEach(function(e){return t._addSubKernel(t.subKernelProperties[e])}))}},{key:"_getFragShaderString",value:function(t){return null!==this.compiledFragShaderString?this.compiledFragShaderString:this.compiledFragShaderString=this._replaceArtifacts(fragShaderString,this._getFragShaderArtifactMap(t))}},{key:"_getVertShaderString",value:function(t){return null!==this.compiledVertShaderString?this.compiledVertShaderString:this.compiledVertShaderString=vertShaderString}}]),e}(WebGLKernel);
 
-},{"../../core/texture":81,"../../core/utils":83,"../web-gl/kernel":65,"./shader-frag":74,"./shader-vert":75}],73:[function(require,module,exports){
+},{"../../core/texture":84,"../../core/utils":86,"../web-gl/kernel":68,"./shader-frag":77,"./shader-vert":78}],76:[function(require,module,exports){
 "use strict";function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function _inherits(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}var WebGLRunner=require("../web-gl/runner"),WebGL2FunctionBuilder=require("./function-builder"),WebGL2Kernel=require("./kernel");module.exports=function(e){function t(e){_classCallCheck(this,t);var r=_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).call(this,new WebGL2FunctionBuilder,e));return r.Kernel=WebGL2Kernel,r.kernel=null,r}return _inherits(t,e),t}(WebGLRunner);
 
-},{"../web-gl/runner":66,"./function-builder":70,"./kernel":72}],74:[function(require,module,exports){
+},{"../web-gl/runner":69,"./function-builder":73,"./kernel":75}],77:[function(require,module,exports){
 "use strict";module.exports="#version 300 es\n__HEADER__;\nprecision highp float;\nprecision highp int;\nprecision highp sampler2D;\n\nconst float LOOP_MAX = __LOOP_MAX__;\n#define EPSILON 0.0000001;\n\n__CONSTANTS__;\n\nin highp vec2 vTexCoord;\n\nvec2 integerMod(vec2 x, float y) {\n  vec2 res = floor(mod(x, y));\n  return res * step(1.0 - floor(y), -res);\n}\n\nvec3 integerMod(vec3 x, float y) {\n  vec3 res = floor(mod(x, y));\n  return res * step(1.0 - floor(y), -res);\n}\n\nvec4 integerMod(vec4 x, vec4 y) {\n  vec4 res = floor(mod(x, y));\n  return res * step(1.0 - floor(y), -res);\n}\n\nhighp float integerMod(highp float x, highp float y) {\n  highp float res = floor(mod(x, y));\n  return res * (res > floor(y) - 1.0 ? 0.0 : 1.0);\n}\n\nhighp int integerMod(highp int x, highp int y) {\n  return int(integerMod(float(x), float(y)));\n}\n\n// Here be dragons!\n// DO NOT OPTIMIZE THIS CODE\n// YOU WILL BREAK SOMETHING ON SOMEBODY'S MACHINE\n// LEAVE IT AS IT IS, LEST YOU WASTE YOUR OWN TIME\nconst vec2 MAGIC_VEC = vec2(1.0, -256.0);\nconst vec4 SCALE_FACTOR = vec4(1.0, 256.0, 65536.0, 0.0);\nconst vec4 SCALE_FACTOR_INV = vec4(1.0, 0.00390625, 0.0000152587890625, 0.0); // 1, 1/256, 1/65536\nhighp float decode32(highp vec4 rgba) {\n  __DECODE32_ENDIANNESS__;\n  rgba *= 255.0;\n  vec2 gte128;\n  gte128.x = rgba.b >= 128.0 ? 1.0 : 0.0;\n  gte128.y = rgba.a >= 128.0 ? 1.0 : 0.0;\n  float exponent = 2.0 * rgba.a - 127.0 + dot(gte128, MAGIC_VEC);\n  float res = exp2(round(exponent));\n  rgba.b = rgba.b - 128.0 * gte128.x;\n  res = dot(rgba, SCALE_FACTOR) * exp2(round(exponent-23.0)) + res;\n  res *= gte128.y * -2.0 + 1.0;\n  return res;\n}\n\nhighp vec4 encode32(highp float f) {\n  highp float F = abs(f);\n  highp float sign = f < 0.0 ? 1.0 : 0.0;\n  highp float exponent = floor(log2(F));\n  highp float mantissa = (exp2(-exponent) * F);\n  // exponent += floor(log2(mantissa));\n  vec4 rgba = vec4(F * exp2(23.0-exponent)) * SCALE_FACTOR_INV;\n  rgba.rg = integerMod(rgba.rg, 256.0);\n  rgba.b = integerMod(rgba.b, 128.0);\n  rgba.a = exponent*0.5 + 63.5;\n  rgba.ba += vec2(integerMod(exponent+127.0, 2.0), sign) * 128.0;\n  rgba = floor(rgba);\n  rgba *= 0.003921569; // 1/255\n  __ENCODE32_ENDIANNESS__;\n  return rgba;\n}\n// Dragons end here\n\nhighp float index;\nhighp vec3 threadId;\n\nhighp vec3 indexTo3D(highp float idx, highp vec3 texDim) {\n  highp float z = floor(idx / (texDim.x * texDim.y));\n  idx -= z * texDim.x * texDim.y;\n  highp float y = floor(idx / texDim.x);\n  highp float x = integerMod(idx, texDim.x);\n  return vec3(x, y, z);\n}\n\nhighp float get(highp sampler2D tex, highp vec2 texSize, highp vec3 texDim, highp float z, highp float y, highp float x) {\n  highp vec3 xyz = vec3(x, y, z);\n  xyz = floor(xyz + 0.5);\n  __GET_WRAPAROUND__;\n  highp float index = round(xyz.x + texDim.x * (xyz.y + texDim.y * xyz.z));\n  __GET_TEXTURE_CHANNEL__;\n  highp float w = round(texSize.x);\n  vec2 st = vec2(integerMod(index, w), float(int(index) / int(w))) + 0.5;\n  __GET_TEXTURE_INDEX__;\n  highp vec4 texel = texture(tex, st / texSize);\n  __GET_RESULT__;\n}\n\nhighp float get(highp sampler2D tex, highp vec2 texSize, highp vec3 texDim, highp float y, highp float x) {\n  return get(tex, texSize, texDim, 0.0, y, x);\n}\n\nhighp float get(highp sampler2D tex, highp vec2 texSize, highp vec3 texDim, highp float x) {\n  return get(tex, texSize, texDim, 0.0, 0.0, x);\n}\n\nhighp vec4 actualColor;\nvoid color(float r, float g, float b, float a) {\n  actualColor = vec4(r,g,b,a);\n}\n\nvoid color(float r, float g, float b) {\n  color(r,g,b,1.0);\n}\n\n__MAIN_PARAMS__;\n__MAIN_CONSTANTS__;\n__KERNEL__;\n\nvoid main(void) {\n  index = floor(vTexCoord.s * float(uTexSize.x)) + floor(vTexCoord.t * float(uTexSize.y)) * uTexSize.x;\n  __MAIN_RESULT__;\n}";
 
-},{}],75:[function(require,module,exports){
+},{}],78:[function(require,module,exports){
 "use strict";module.exports="#version 300 es\nprecision highp float;\nprecision highp int;\nprecision highp sampler2D;\n\nin highp vec2 aPos;\nin highp vec2 aTexCoord;\n\nout highp vec2 vTexCoord;\nuniform vec2 ratio;\n\nvoid main(void) {\n  gl_Position = vec4((aPos + vec2(1)) * ratio + vec2(-1), 0, 1);\n  vTexCoord = aTexCoord;\n}";
 
-},{}],76:[function(require,module,exports){
+},{}],79:[function(require,module,exports){
 "use strict";function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function _inherits(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}var _createClass=function(){function e(e,t){for(var r=0;r<t.length;r++){var o=t[r];o.enumerable=o.enumerable||!1,o.configurable=!0,"value"in o&&(o.writable=!0),Object.defineProperty(e,o.key,o)}}return function(t,r,o){return r&&e(t.prototype,r),o&&e(t,o),t}}(),WebGLKernel=require("./kernel"),utils=require("../../core/utils");module.exports=function(e){function t(){return _classCallCheck(this,t),_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).apply(this,arguments))}return _inherits(t,e),_createClass(t,[{key:"validateOptions",value:function(){this._webGl.getExtension("EXT_color_buffer_float"),this.texSize=utils.dimToTexSize({floatTextures:this.floatTextures,floatOutput:this.floatOutput},this.output,!0)}}]),t}(WebGLKernel);
 
-},{"../../core/utils":83,"./kernel":72}],77:[function(require,module,exports){
+},{"../../core/utils":86,"./kernel":75}],80:[function(require,module,exports){
 "use strict";var utils=require("./utils");module.exports=function(t,r){var n=r.toString();return new Function("return function "+t+" ("+utils.getParamNamesFromString(n).join(", ")+") {"+utils.getFunctionBodyFromString(n)+"}")()};
 
-},{"./utils":83}],78:[function(require,module,exports){
+},{"./utils":86}],81:[function(require,module,exports){
 "use strict";function _classCallCheck(e,r){if(!(e instanceof r))throw new TypeError("Cannot call a class as a function")}var _createClass=function(){function e(e,r){for(var n=0;n<r.length;n++){var t=r[n];t.enumerable=t.enumerable||!1,t.configurable=!0,"value"in t&&(t.writable=!0),Object.defineProperty(e,t.key,t)}}return function(r,n,t){return n&&e(r.prototype,n),t&&e(r,t),r}}(),UtilsCore=require("./utils-core");module.exports=function(){function e(){_classCallCheck(this,e)}return _createClass(e,null,[{key:"validateKernelObj",value:function(e){if(null===e)throw"KernelObj being validated is NULL";if("string"==typeof e){try{e=JSON.parse(e)}catch(e){throw console.error(e),"Failed to convert KernelObj from JSON string"}if(null===e)throw"Invalid (NULL) KernelObj JSON string representation"}if(!0!==e.isKernelObj)throw"Failed missing isKernelObj flag check";return e}},{key:"loadKernelObj",value:function(e,r){e=validateKernelObj(e)}}]),e}();
 
-},{"./utils-core":82}],79:[function(require,module,exports){
+},{"./utils-core":85}],82:[function(require,module,exports){
 "use strict";function _classCallCheck(e,n){if(!(e instanceof n))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(e,n){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!n||"object"!=typeof n&&"function"!=typeof n?e:n}function _inherits(e,n){if("function"!=typeof n&&null!==n)throw new TypeError("Super expression must either be null or a function, not "+typeof n);e.prototype=Object.create(n&&n.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),n&&(Object.setPrototypeOf?Object.setPrototypeOf(e,n):e.__proto__=n)}var _createClass=function(){function e(e,n){for(var r=0;r<n.length;r++){var t=n[r];t.enumerable=t.enumerable||!1,t.configurable=!0,"value"in t&&(t.writable=!0),Object.defineProperty(e,t.key,t)}}return function(n,r,t){return r&&e(n.prototype,r),t&&e(n,t),n}}(),utils=require("./utils"),WebGLRunner=require("../backend/web-gl/runner"),WebGL2Runner=require("../backend/web-gl2/runner"),CPURunner=require("../backend/cpu/runner"),WebGLValidatorKernel=require("../backend/web-gl/validator-kernel"),WebGL2ValidatorKernel=require("../backend/web-gl2/validator-kernel"),GPUCore=require("./gpu-core"),GPU=function(e){function n(e){_classCallCheck(this,n);var r=_possibleConstructorReturn(this,(n.__proto__||Object.getPrototypeOf(n)).call(this,e));e=e||{},r._canvas=e.canvas||null,r._webGl=e.webGl||null;var t=e.mode,u=void 0;if(utils.isWebGlSupported())u=t||"gpu";else{if(t&&"cpu"!==t)throw new Error('A requested mode of "'+t+'" and is not supported');console.warn("Warning: gpu not supported, falling back to cpu support"),u="cpu"}r.kernels=[];var a={canvas:r._canvas,webGl:r._webGl};switch(u){case"cpu":r._runner=new CPURunner(a);break;case"gpu":var i=r.getGPURunner();r._runner=new i(a);break;case"webgl2":r._runner=new WebGL2Runner(a);break;case"webgl":r._runner=new WebGLRunner(a);break;case"webgl2-validator":r._runner=new WebGL2Runner(a),r._runner.Kernel=WebGL2ValidatorKernel;break;case"webgl-validator":r._runner=new WebGLRunner(a),r._runner.Kernel=WebGLValidatorKernel;break;default:throw new Error('"'+t+'" mode is not defined')}return r}return _inherits(n,e),_createClass(n,[{key:"createKernel",value:function(e,n){if(void 0===e)throw"Missing fn parameter";if(!utils.isFunction(e)&&"string"!=typeof e)throw"fn parameter not a function";var r=this._runner.buildKernel(e,n||{});return this._canvas||(this._canvas=r.getCanvas()),this._runner.canvas||(this._runner.canvas=r.getCanvas()),this.kernels.push(r),r}},{key:"createKernelMap",value:function(){var e=void 0,n=void 0;"function"==typeof arguments[arguments.length-2]?(e=arguments[arguments.length-2],n=arguments[arguments.length-1]):e=arguments[arguments.length-1],utils.isWebGlDrawBuffersSupported()||(this._runner=new CPURunner(n));var r=this.createKernel(e,n);if(Array.isArray(arguments[0]))for(var t=arguments[0],u=0;u<t.length;u++)r.addSubKernel(t[u]);else{var a=arguments[0];for(var i in a)a.hasOwnProperty(i)&&r.addSubKernelProperty(i,a[i])}return r}},{key:"combineKernels",value:function(){var e=arguments[arguments.length-2],n=arguments[arguments.length-1];if("cpu"===this.getMode())return n;for(var r=arguments[0].getCanvas(),t=arguments[0].getWebGl(),u=0;u<arguments.length-1;u++)arguments[u].setCanvas(r).setWebGl(t).setOutputToTexture(!0);return function(){n.apply(null,arguments);var r=e.texSize,t=e.getWebGl(),u=e.threadDim,a=void 0;if(e.floatOutput)a=new Float32Array(r[0]*r[1]*4),t.readPixels(0,0,r[0],r[1],t.RGBA,t.FLOAT,a);else{var i=new Uint8Array(r[0]*r[1]*4);t.readPixels(0,0,r[0],r[1],t.RGBA,t.UNSIGNED_BYTE,i),a=new Float32Array(i.buffer)}if(a=a.subarray(0,u[0]*u[1]*u[2]),1===e.output.length)return a;if(2===e.output.length)return utils.splitArray(a,e.output[0]);if(3===e.output.length){return utils.splitArray(a,e.output[0]*e.output[1]).map(function(n){return utils.splitArray(n,e.output[0])})}}}},{key:"getGPURunner",value:function(){return"undefined"!=typeof WebGL2RenderingContext?WebGL2Runner:"undefined"!=typeof WebGLRenderingContext?WebGLRunner:void 0}},{key:"addFunction",value:function(e,n,r){return this._runner.functionBuilder.addFunction(null,e,n,r),this}},{key:"addNativeFunction",value:function(e,n){return this._runner.functionBuilder.addNativeFunction(e,n),this}},{key:"getMode",value:function(){return this._runner.getMode()}},{key:"isWebGlSupported",value:function(){return utils.isWebGlSupported()}},{key:"getCanvas",value:function(){return this._canvas}},{key:"getWebGl",value:function(){return this._webGl}}]),n}(GPUCore);Object.assign(GPU,GPUCore),module.exports=GPU;
 
-},{"../backend/cpu/runner":56,"../backend/web-gl/runner":66,"../backend/web-gl/validator-kernel":69,"../backend/web-gl2/runner":73,"../backend/web-gl2/validator-kernel":76,"./gpu-core":78,"./utils":83}],80:[function(require,module,exports){
+},{"../backend/cpu/runner":59,"../backend/web-gl/runner":69,"../backend/web-gl/validator-kernel":72,"../backend/web-gl2/runner":76,"../backend/web-gl2/validator-kernel":79,"./gpu-core":81,"./utils":86}],83:[function(require,module,exports){
 "use strict";function _classCallCheck(s,i){if(!(s instanceof i))throw new TypeError("Cannot call a class as a function")}module.exports=function s(i,e){if(_classCallCheck(this,s),this.value=i,Array.isArray(e)){this.size=[];for(var t=0;t<e.length;t++)this.size[t]=e[t];for(;this.size.length<3;)this.size.push(1)}else e.z?this.size=[e.x,e.y,e.z]:e.y?this.size=[e.x,e.y,1]:this.size=[e.x,1,1]};
 
-},{}],81:[function(require,module,exports){
+},{}],84:[function(require,module,exports){
 "use strict";function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var _createClass=function(){function e(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}(),gpu=null;module.exports=function(){function e(t,r,n,i,s){_classCallCheck(this,e),this.texture=t,this.size=r,this.dimensions=n,this.output=i,this.webGl=s,this.kernel=null}return _createClass(e,[{key:"toArray",value:function(e){if(!e)throw new Error("You need to pass the GPU object for toArray to work.");return this.kernel?this.kernel(this):(this.kernel=e.createKernel(function(e){return e[this.thread.z][this.thread.y][this.thread.x]}).setOutput(this.output),this.kernel(this))}},{key:"delete",value:function(){return this.webGl.deleteTexture(this.texture)}}]),e}();
 
-},{}],82:[function(require,module,exports){
+},{}],85:[function(require,module,exports){
 "use strict";function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var _createClass=function(){function e(e,t){for(var n=0;n<t.length;n++){var i=t[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}return function(t,n,i){return n&&e(t.prototype,n),i&&e(t,i),t}}(),UtilsCore=function(){function e(){_classCallCheck(this,e)}return _createClass(e,null,[{key:"isCanvas",value:function(e){return null!==e&&e.nodeName&&e.getContext&&"CANVAS"===e.nodeName.toUpperCase()}},{key:"isCanvasSupported",value:function(){return _isCanvasSupported}},{key:"initCanvas",value:function(){if(!_isCanvasSupported)return null;var e=document.createElement("canvas");return e.width=2,e.height=2,e}},{key:"isWebGl",value:function(e){return e&&"function"==typeof e.getExtension}},{key:"isWebGlSupported",value:function(){return _isWebGlSupported}},{key:"isWebGlDrawBuffersSupported",value:function(){return _isWebGlDrawBuffersSupported}},{key:"initWebGlDefaultOptions",value:function(){return{alpha:!1,depth:!1,antialias:!1}}},{key:"initWebGl",value:function(t){if((void 0!==_isCanvasSupported||null===t)&&!_isCanvasSupported)return null;if(!e.isCanvas(t))throw new Error("Invalid canvas object - "+t);var n=t.getContext("experimental-webgl",e.initWebGlDefaultOptions())||t.getContext("webgl",e.initWebGlDefaultOptions());return n&&(n.OES_texture_float=n.getExtension("OES_texture_float"),n.OES_texture_float_linear=n.getExtension("OES_texture_float_linear"),n.OES_element_index_uint=n.getExtension("OES_element_index_uint")),n}},{key:"initWebGl2",value:function(t){if((void 0!==_isCanvasSupported||null===t)&&!_isCanvasSupported)return null;if(!e.isCanvas(t))throw new Error("Invalid canvas object - "+t);return t.getContext("webgl2",e.initWebGlDefaultOptions())}}]),e}(),_isCanvasSupported="undefined"!=typeof document&&UtilsCore.isCanvas(document.createElement("canvas")),_testingWebGl=UtilsCore.initWebGl(UtilsCore.initCanvas()),_isWebGlSupported=UtilsCore.isWebGl(_testingWebGl),_isWebGlDrawBuffersSupported=_isWebGlSupported&&Boolean(_testingWebGl.getExtension("WEBGL_draw_buffers"));_isWebGlSupported?(UtilsCore.OES_texture_float=_testingWebGl.OES_texture_float,UtilsCore.OES_texture_float_linear=_testingWebGl.OES_texture_float_linear,UtilsCore.OES_element_index_uint=_testingWebGl.OES_element_index_uint):(UtilsCore.OES_texture_float=!1,UtilsCore.OES_texture_float_linear=!1,UtilsCore.OES_element_index_uint=!1),module.exports=UtilsCore;
 
-},{}],83:[function(require,module,exports){
+},{}],86:[function(require,module,exports){
 "use strict";function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function _inherits(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}var _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},_createClass=function(){function e(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}return function(t,n,r){return n&&e(t.prototype,n),r&&e(t,r),t}}(),UtilsCore=require("./utils-core"),Input=require("./input"),Texture=require("./texture"),FUNCTION_NAME=/function ([^(]*)/,STRIP_COMMENTS=/((\/\/.*$)|(\/\*[\s\S]*?\*\/))/gm,ARGUMENT_NAMES=/([^\s,]+)/g,_systemEndianness=function(){var e=new ArrayBuffer(4),t=new Uint32Array(e),n=new Uint8Array(e);if(t[0]=3735928559,239===n[0])return"LE";if(222===n[0])return"BE";throw new Error("unknown endianness")}(),_isFloatReadPixelsSupported=null,_isFloatReadPixelsSupportedWebGL2=null,_isMixedIdentifiersSupported=function(){try{return new Function("let i = 1; const j = 1;")(),!0}catch(e){return!1}}(),Utils=function(e){function t(){return _classCallCheck(this,t),_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).apply(this,arguments))}return _inherits(t,e),_createClass(t,null,[{key:"systemEndianness",value:function(){return _systemEndianness}},{key:"isFunction",value:function(e){return"function"==typeof e}},{key:"isFunctionString",value:function(e){return null!==e&&"function"===e.toString().slice(0,"function".length).toLowerCase()}},{key:"getFunctionNameFromString",value:function(e){return FUNCTION_NAME.exec(e)[1]}},{key:"getFunctionBodyFromString",value:function(e){return e.substring(e.indexOf("{")+1,e.lastIndexOf("}"))}},{key:"getParamNamesFromString",value:function(e){var t=e.toString().replace(STRIP_COMMENTS,""),n=t.slice(t.indexOf("(")+1,t.indexOf(")")).match(ARGUMENT_NAMES);return null===n&&(n=[]),n}},{key:"clone",value:function(e){if(null===e||"object"!==(void 0===e?"undefined":_typeof(e))||e.hasOwnProperty("isActiveClone"))return e;var n=e.constructor();for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(e.isActiveClone=null,n[r]=t.clone(e[r]),delete e.isActiveClone);return n}},{key:"newPromise",value:function(e){var t=Promise||small_promise;if(null===t)throw TypeError("Browser is missing Promise implementation. Consider adding small_promise.js polyfill");return new t(e)}},{key:"functionBinder",value:function(e,t){return e.bind?e.bind(t):function(){var n=1===arguments.length?[arguments[0]]:Array.apply(null,arguments);return e.apply(t,n)}}},{key:"isArray",value:function(e){return!isNaN(e.length)}},{key:"getArgumentType",value:function(e){return t.isArray(e)?"Array":"number"==typeof e?"Number":e instanceof Texture?"Texture":e instanceof Input?"Input":"Unknown"}},{key:"isFloatReadPixelsSupported",value:function(){if(null!==_isFloatReadPixelsSupported)return _isFloatReadPixelsSupported;var e=require("../index"),t=new e({mode:"webgl-validator"}).createKernel(function(){return 1},{output:[2],floatTextures:!0,floatOutput:!0,floatOutputForce:!0})();return _isFloatReadPixelsSupported=1===t[0]}},{key:"isFloatReadPixelsSupportedWebGL2",value:function(){if(null!==_isFloatReadPixelsSupportedWebGL2)return _isFloatReadPixelsSupportedWebGL2;var e=require("../index"),t=new e({mode:"webgl2-validator"}).createKernel(function(){return 1},{output:[2],floatTextures:!0,floatOutput:!0,floatOutputForce:!0})();return _isFloatReadPixelsSupportedWebGL2=1===t[0]}},{key:"isMixedIdentifiersSupported",value:function(){return _isMixedIdentifiersSupported}},{key:"dimToTexSize",value:function(e,t,n){for(var r=t[0],o=1;o<t.length;o++)r*=t[o];!e.floatTextures||n&&!e.floatOutput||(r=Math.ceil(r/4));var i=Math.ceil(Math.sqrt(r));return[i,i]}},{key:"getDimensions",value:function(e,n){var r=void 0;if(t.isArray(e)){for(var o=[],i=e;t.isArray(i);)o.push(i.length),i=i[0];r=o.reverse()}else if(e instanceof Texture)r=e.output;else{if(!(e instanceof Input))throw"Unknown dimensions of "+e;r=e.size}if(n)for(r=t.clone(r);r.length<3;)r.push(1);return r}},{key:"pad",value:function(e,t){function n(e){return Array.apply(null,new Array(e)).map(Number.prototype.valueOf,0)}for(var r=e.length+2*t,o=e.map(function(e){return[].concat(n(t),e,n(t))}),i=0;i<t;i++)o=[].concat([n(r)],o,[n(r)]);return o}},{key:"flatten2dArrayTo",value:function(e,t){for(var n=0,r=0;r<e.length;r++)t.set(e[r],n),n+=e[r].length}},{key:"flatten3dArrayTo",value:function(e,t){for(var n=0,r=0;r<e.length;r++)for(var o=0;o<e[r].length;o++)t.set(e[r][o],n),n+=e[r][o].length}},{key:"flattenTo",value:function(e,n){t.isArray(e[0])?t.isArray(e[0][0])?t.flatten3dArrayTo(e,n):t.flatten2dArrayTo(e,n):n.set(e)}},{key:"splitArray",value:function(e,t){for(var n=[],r=0;r<e.length;r+=t)n.push(Array.prototype.slice.call(e,r,r+t));return n}},{key:"getAstString",value:function(e,t){var n=Array.isArray(e)?e:e.split(/\r?\n/g),r=t.loc.start,o=t.loc.end,i=[];i.push(n[r.line-1].slice(r.column));for(var u=r.line;u<o.line-1;u++)i.push(n[u]);return i.push(n[o.line-1].slice(0,o.column)),i.join("\n")}},{key:"allPropertiesOf",value:function(e){var t=[];do{t.push.apply(t,Object.getOwnPropertyNames(e))}while(e=Object.getPrototypeOf(e));return t}}]),t}(UtilsCore);Object.assign(Utils,UtilsCore),module.exports=Utils;
 
-},{"../index":84,"./input":80,"./texture":81,"./utils-core":82}],84:[function(require,module,exports){
+},{"../index":87,"./input":83,"./texture":84,"./utils-core":85}],87:[function(require,module,exports){
 "use strict";var GPU=require("./core/gpu"),alias=require("./core/alias"),utils=require("./core/utils"),Input=require("./core/input"),Texture=require("./core/texture"),CPUFunctionBuilder=require("./backend/cpu/function-builder"),CPUFunctionNode=require("./backend/cpu/function-node"),CPUKernel=require("./backend/cpu/kernel"),CPURunner=require("./backend/cpu/runner"),WebGLFunctionBuilder=require("./backend/web-gl/function-builder"),WebGLFunctionNode=require("./backend/web-gl/function-node"),WebGLKernel=require("./backend/web-gl/kernel"),WebGLRunner=require("./backend/web-gl/runner"),WebGL2FunctionBuilder=require("./backend/web-gl2/function-builder"),WebGL2FunctionNode=require("./backend/web-gl2/function-node"),WebGL2Kernel=require("./backend/web-gl2/kernel"),WebGL2Runner=require("./backend/web-gl2/runner");GPU.alias=alias,GPU.utils=utils,GPU.Texture=Texture,GPU.Input=Input,GPU.input=function(e,n){return new Input(e,n)},GPU.CPUFunctionBuilder=CPUFunctionBuilder,GPU.CPUFunctionNode=CPUFunctionNode,GPU.CPUKernel=CPUKernel,GPU.CPURunner=CPURunner,GPU.WebGLFunctionBuilder=WebGLFunctionBuilder,GPU.WebGLFunctionNode=WebGLFunctionNode,GPU.WebGLKernel=WebGLKernel,GPU.WebGLRunner=WebGLRunner,GPU.WebGL2FunctionBuilder=WebGL2FunctionBuilder,GPU.WebGL2FunctionNode=WebGL2FunctionNode,GPU.WebGL2Kernel=WebGL2Kernel,GPU.WebGL2Runner=WebGL2Runner,"undefined"!=typeof module&&(module.exports=GPU),"undefined"!=typeof window&&(window.GPU=GPU);
 
-},{"./backend/cpu/function-builder":52,"./backend/cpu/function-node":53,"./backend/cpu/kernel":55,"./backend/cpu/runner":56,"./backend/web-gl/function-builder":62,"./backend/web-gl/function-node":63,"./backend/web-gl/kernel":65,"./backend/web-gl/runner":66,"./backend/web-gl2/function-builder":70,"./backend/web-gl2/function-node":71,"./backend/web-gl2/kernel":72,"./backend/web-gl2/runner":73,"./core/alias":77,"./core/gpu":79,"./core/input":80,"./core/texture":81,"./core/utils":83}],85:[function(require,module,exports){
+},{"./backend/cpu/function-builder":55,"./backend/cpu/function-node":56,"./backend/cpu/kernel":58,"./backend/cpu/runner":59,"./backend/web-gl/function-builder":65,"./backend/web-gl/function-node":66,"./backend/web-gl/kernel":68,"./backend/web-gl/runner":69,"./backend/web-gl2/function-builder":73,"./backend/web-gl2/function-node":74,"./backend/web-gl2/kernel":75,"./backend/web-gl2/runner":76,"./core/alias":80,"./core/gpu":82,"./core/input":83,"./core/texture":84,"./core/utils":86}],88:[function(require,module,exports){
 exports.read=function(a,o,t,r,h){var M,p,w=8*h-r-1,f=(1<<w)-1,e=f>>1,i=-7,N=t?h-1:0,n=t?-1:1,s=a[o+N];for(N+=n,M=s&(1<<-i)-1,s>>=-i,i+=w;i>0;M=256*M+a[o+N],N+=n,i-=8);for(p=M&(1<<-i)-1,M>>=-i,i+=r;i>0;p=256*p+a[o+N],N+=n,i-=8);if(0===M)M=1-e;else{if(M===f)return p?NaN:1/0*(s?-1:1);p+=Math.pow(2,r),M-=e}return(s?-1:1)*p*Math.pow(2,M-r)},exports.write=function(a,o,t,r,h,M){var p,w,f,e=8*M-h-1,i=(1<<e)-1,N=i>>1,n=23===h?Math.pow(2,-24)-Math.pow(2,-77):0,s=r?0:M-1,u=r?1:-1,l=o<0||0===o&&1/o<0?1:0;for(o=Math.abs(o),isNaN(o)||o===1/0?(w=isNaN(o)?1:0,p=i):(p=Math.floor(Math.log(o)/Math.LN2),o*(f=Math.pow(2,-p))<1&&(p--,f*=2),o+=p+N>=1?n/f:n*Math.pow(2,1-N),o*f>=2&&(p++,f/=2),p+N>=i?(w=0,p=i):p+N>=1?(w=(o*f-1)*Math.pow(2,h),p+=N):(w=o*Math.pow(2,N-1)*Math.pow(2,h),p=0));h>=8;a[t+s]=255&w,s+=u,w/=256,h-=8);for(p=p<<h|w,e+=h;e>0;a[t+s]=255&p,s+=u,p/=256,e-=8);a[t+s-u]|=128*l};
 
-},{}],86:[function(require,module,exports){
+},{}],89:[function(require,module,exports){
 "function"==typeof Object.create?module.exports=function(t,e){t.super_=e,t.prototype=Object.create(e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}})}:module.exports=function(t,e){t.super_=e;var o=function(){};o.prototype=e.prototype,t.prototype=new o,t.prototype.constructor=t};
-},{}],87:[function(require,module,exports){
+},{}],90:[function(require,module,exports){
 function isBuffer(f){return!!f.constructor&&"function"==typeof f.constructor.isBuffer&&f.constructor.isBuffer(f)}function isSlowBuffer(f){return"function"==typeof f.readFloatLE&&"function"==typeof f.slice&&isBuffer(f.slice(0,0))}module.exports=function(f){return null!=f&&(isBuffer(f)||isSlowBuffer(f)||!!f._isBuffer)};
 
-},{}],88:[function(require,module,exports){
+},{}],91:[function(require,module,exports){
 (function (process){
 "use strict";function nextTick(e,n,c,r){if("function"!=typeof e)throw new TypeError('"callback" argument must be a function');var s,t,o=arguments.length;switch(o){case 0:case 1:return process.nextTick(e);case 2:return process.nextTick(function(){e.call(null,n)});case 3:return process.nextTick(function(){e.call(null,n,c)});case 4:return process.nextTick(function(){e.call(null,n,c,r)});default:for(s=new Array(o-1),t=0;t<s.length;)s[t++]=arguments[t];return process.nextTick(function(){e.apply(null,s)})}}!process.version||0===process.version.indexOf("v0.")||0===process.version.indexOf("v1.")&&0!==process.version.indexOf("v1.8.")?module.exports={nextTick:nextTick}:module.exports=process;
+
 }).call(this,require('_process'))
-},{"_process":89}],89:[function(require,module,exports){
+},{"_process":92}],92:[function(require,module,exports){
 function defaultSetTimout(){throw new Error("setTimeout has not been defined")}function defaultClearTimeout(){throw new Error("clearTimeout has not been defined")}function runTimeout(e){if(cachedSetTimeout===setTimeout)return setTimeout(e,0);if((cachedSetTimeout===defaultSetTimout||!cachedSetTimeout)&&setTimeout)return cachedSetTimeout=setTimeout,setTimeout(e,0);try{return cachedSetTimeout(e,0)}catch(t){try{return cachedSetTimeout.call(null,e,0)}catch(t){return cachedSetTimeout.call(this,e,0)}}}function runClearTimeout(e){if(cachedClearTimeout===clearTimeout)return clearTimeout(e);if((cachedClearTimeout===defaultClearTimeout||!cachedClearTimeout)&&clearTimeout)return cachedClearTimeout=clearTimeout,clearTimeout(e);try{return cachedClearTimeout(e)}catch(t){try{return cachedClearTimeout.call(null,e)}catch(t){return cachedClearTimeout.call(this,e)}}}function cleanUpNextTick(){draining&&currentQueue&&(draining=!1,currentQueue.length?queue=currentQueue.concat(queue):queueIndex=-1,queue.length&&drainQueue())}function drainQueue(){if(!draining){var e=runTimeout(cleanUpNextTick);draining=!0;for(var t=queue.length;t;){for(currentQueue=queue,queue=[];++queueIndex<t;)currentQueue&&currentQueue[queueIndex].run();queueIndex=-1,t=queue.length}currentQueue=null,draining=!1,runClearTimeout(e)}}function Item(e,t){this.fun=e,this.array=t}function noop(){}var process=module.exports={},cachedSetTimeout,cachedClearTimeout;!function(){try{cachedSetTimeout="function"==typeof setTimeout?setTimeout:defaultSetTimout}catch(e){cachedSetTimeout=defaultSetTimout}try{cachedClearTimeout="function"==typeof clearTimeout?clearTimeout:defaultClearTimeout}catch(e){cachedClearTimeout=defaultClearTimeout}}();var queue=[],draining=!1,currentQueue,queueIndex=-1;process.nextTick=function(e){var t=new Array(arguments.length-1);if(arguments.length>1)for(var r=1;r<arguments.length;r++)t[r-1]=arguments[r];queue.push(new Item(e,t)),1!==queue.length||draining||runTimeout(drainQueue)},Item.prototype.run=function(){this.fun.apply(null,this.array)},process.title="browser",process.browser=!0,process.env={},process.argv=[],process.version="",process.versions={},process.on=noop,process.addListener=noop,process.once=noop,process.off=noop,process.removeListener=noop,process.removeAllListeners=noop,process.emit=noop,process.prependListener=noop,process.prependOnceListener=noop,process.listeners=function(e){return[]},process.binding=function(e){throw new Error("process.binding is not supported")},process.cwd=function(){return"/"},process.chdir=function(e){throw new Error("process.chdir is not supported")},process.umask=function(){return 0};
-},{}],90:[function(require,module,exports){
+},{}],93:[function(require,module,exports){
 module.exports=require("./lib/_stream_duplex.js");
 
-},{"./lib/_stream_duplex.js":91}],91:[function(require,module,exports){
+},{"./lib/_stream_duplex.js":94}],94:[function(require,module,exports){
 "use strict";function Duplex(e){if(!(this instanceof Duplex))return new Duplex(e);Readable.call(this,e),Writable.call(this,e),e&&!1===e.readable&&(this.readable=!1),e&&!1===e.writable&&(this.writable=!1),this.allowHalfOpen=!0,e&&!1===e.allowHalfOpen&&(this.allowHalfOpen=!1),this.once("end",onend)}function onend(){this.allowHalfOpen||this._writableState.ended||pna.nextTick(onEndNT,this)}function onEndNT(e){e.end()}function forEach(e,t){for(var r=0,i=e.length;r<i;r++)t(e[r],r)}var pna=require("process-nextick-args"),objectKeys=Object.keys||function(e){var t=[];for(var r in e)t.push(r);return t};module.exports=Duplex;var util=require("core-util-is");util.inherits=require("inherits");var Readable=require("./_stream_readable"),Writable=require("./_stream_writable");util.inherits(Duplex,Readable);for(var keys=objectKeys(Writable.prototype),v=0;v<keys.length;v++){var method=keys[v];Duplex.prototype[method]||(Duplex.prototype[method]=Writable.prototype[method])}Object.defineProperty(Duplex.prototype,"destroyed",{get:function(){return void 0!==this._readableState&&void 0!==this._writableState&&(this._readableState.destroyed&&this._writableState.destroyed)},set:function(e){void 0!==this._readableState&&void 0!==this._writableState&&(this._readableState.destroyed=e,this._writableState.destroyed=e)}}),Duplex.prototype._destroy=function(e,t){this.push(null),this.end(),pna.nextTick(t,e)};
 
-},{"./_stream_readable":93,"./_stream_writable":95,"core-util-is":50,"inherits":86,"process-nextick-args":88}],92:[function(require,module,exports){
+},{"./_stream_readable":96,"./_stream_writable":98,"core-util-is":53,"inherits":89,"process-nextick-args":91}],95:[function(require,module,exports){
 "use strict";function PassThrough(r){if(!(this instanceof PassThrough))return new PassThrough(r);Transform.call(this,r)}module.exports=PassThrough;var Transform=require("./_stream_transform"),util=require("core-util-is");util.inherits=require("inherits"),util.inherits(PassThrough,Transform),PassThrough.prototype._transform=function(r,s,i){i(null,r)};
 
-},{"./_stream_transform":94,"core-util-is":50,"inherits":86}],93:[function(require,module,exports){
+},{"./_stream_transform":97,"core-util-is":53,"inherits":89}],96:[function(require,module,exports){
 (function (process,global){
 "use strict";function _uint8ArrayToBuffer(e){return Buffer.from(e)}function _isUint8Array(e){return Buffer.isBuffer(e)||e instanceof OurUint8Array}function prependListener(e,t,n){if("function"==typeof e.prependListener)return e.prependListener(t,n);e._events&&e._events[t]?isArray(e._events[t])?e._events[t].unshift(n):e._events[t]=[n,e._events[t]]:e.on(t,n)}function ReadableState(e,t){Duplex=Duplex||require("./_stream_duplex"),e=e||{};var n=t instanceof Duplex;this.objectMode=!!e.objectMode,n&&(this.objectMode=this.objectMode||!!e.readableObjectMode);var r=e.highWaterMark,a=e.readableHighWaterMark,i=this.objectMode?16:16384;this.highWaterMark=r||0===r?r:n&&(a||0===a)?a:i,this.highWaterMark=Math.floor(this.highWaterMark),this.buffer=new BufferList,this.length=0,this.pipes=null,this.pipesCount=0,this.flowing=null,this.ended=!1,this.endEmitted=!1,this.reading=!1,this.sync=!0,this.needReadable=!1,this.emittedReadable=!1,this.readableListening=!1,this.resumeScheduled=!1,this.destroyed=!1,this.defaultEncoding=e.defaultEncoding||"utf8",this.awaitDrain=0,this.readingMore=!1,this.decoder=null,this.encoding=null,e.encoding&&(StringDecoder||(StringDecoder=require("string_decoder/").StringDecoder),this.decoder=new StringDecoder(e.encoding),this.encoding=e.encoding)}function Readable(e){if(Duplex=Duplex||require("./_stream_duplex"),!(this instanceof Readable))return new Readable(e);this._readableState=new ReadableState(e,this),this.readable=!0,e&&("function"==typeof e.read&&(this._read=e.read),"function"==typeof e.destroy&&(this._destroy=e.destroy)),Stream.call(this)}function readableAddChunk(e,t,n,r,a){var i=e._readableState;if(null===t)i.reading=!1,onEofChunk(e,i);else{var d;a||(d=chunkInvalid(i,t)),d?e.emit("error",d):i.objectMode||t&&t.length>0?("string"==typeof t||i.objectMode||Object.getPrototypeOf(t)===Buffer.prototype||(t=_uint8ArrayToBuffer(t)),r?i.endEmitted?e.emit("error",new Error("stream.unshift() after end event")):addChunk(e,i,t,!0):i.ended?e.emit("error",new Error("stream.push() after EOF")):(i.reading=!1,i.decoder&&!n?(t=i.decoder.write(t),i.objectMode||0!==t.length?addChunk(e,i,t,!1):maybeReadMore(e,i)):addChunk(e,i,t,!1))):r||(i.reading=!1)}return needMoreData(i)}function addChunk(e,t,n,r){t.flowing&&0===t.length&&!t.sync?(e.emit("data",n),e.read(0)):(t.length+=t.objectMode?1:n.length,r?t.buffer.unshift(n):t.buffer.push(n),t.needReadable&&emitReadable(e)),maybeReadMore(e,t)}function chunkInvalid(e,t){var n;return _isUint8Array(t)||"string"==typeof t||void 0===t||e.objectMode||(n=new TypeError("Invalid non-string/buffer chunk")),n}function needMoreData(e){return!e.ended&&(e.needReadable||e.length<e.highWaterMark||0===e.length)}function computeNewHighWaterMark(e){return e>=MAX_HWM?e=MAX_HWM:(e--,e|=e>>>1,e|=e>>>2,e|=e>>>4,e|=e>>>8,e|=e>>>16,e++),e}function howMuchToRead(e,t){return e<=0||0===t.length&&t.ended?0:t.objectMode?1:e!==e?t.flowing&&t.length?t.buffer.head.data.length:t.length:(e>t.highWaterMark&&(t.highWaterMark=computeNewHighWaterMark(e)),e<=t.length?e:t.ended?t.length:(t.needReadable=!0,0))}function onEofChunk(e,t){if(!t.ended){if(t.decoder){var n=t.decoder.end();n&&n.length&&(t.buffer.push(n),t.length+=t.objectMode?1:n.length)}t.ended=!0,emitReadable(e)}}function emitReadable(e){var t=e._readableState;t.needReadable=!1,t.emittedReadable||(debug("emitReadable",t.flowing),t.emittedReadable=!0,t.sync?pna.nextTick(emitReadable_,e):emitReadable_(e))}function emitReadable_(e){debug("emit readable"),e.emit("readable"),flow(e)}function maybeReadMore(e,t){t.readingMore||(t.readingMore=!0,pna.nextTick(maybeReadMore_,e,t))}function maybeReadMore_(e,t){for(var n=t.length;!t.reading&&!t.flowing&&!t.ended&&t.length<t.highWaterMark&&(debug("maybeReadMore read 0"),e.read(0),n!==t.length);)n=t.length;t.readingMore=!1}function pipeOnDrain(e){return function(){var t=e._readableState;debug("pipeOnDrain",t.awaitDrain),t.awaitDrain&&t.awaitDrain--,0===t.awaitDrain&&EElistenerCount(e,"data")&&(t.flowing=!0,flow(e))}}function nReadingNextTick(e){debug("readable nexttick read 0"),e.read(0)}function resume(e,t){t.resumeScheduled||(t.resumeScheduled=!0,pna.nextTick(resume_,e,t))}function resume_(e,t){t.reading||(debug("resume read 0"),e.read(0)),t.resumeScheduled=!1,t.awaitDrain=0,e.emit("resume"),flow(e),t.flowing&&!t.reading&&e.read(0)}function flow(e){var t=e._readableState;for(debug("flow",t.flowing);t.flowing&&null!==e.read(););}function fromList(e,t){if(0===t.length)return null;var n;return t.objectMode?n=t.buffer.shift():!e||e>=t.length?(n=t.decoder?t.buffer.join(""):1===t.buffer.length?t.buffer.head.data:t.buffer.concat(t.length),t.buffer.clear()):n=fromListPartial(e,t.buffer,t.decoder),n}function fromListPartial(e,t,n){var r;return e<t.head.data.length?(r=t.head.data.slice(0,e),t.head.data=t.head.data.slice(e)):r=e===t.head.data.length?t.shift():n?copyFromBufferString(e,t):copyFromBuffer(e,t),r}function copyFromBufferString(e,t){var n=t.head,r=1,a=n.data;for(e-=a.length;n=n.next;){var i=n.data,d=e>i.length?i.length:e;if(d===i.length?a+=i:a+=i.slice(0,e),0===(e-=d)){d===i.length?(++r,n.next?t.head=n.next:t.head=t.tail=null):(t.head=n,n.data=i.slice(d));break}++r}return t.length-=r,a}function copyFromBuffer(e,t){var n=Buffer.allocUnsafe(e),r=t.head,a=1;for(r.data.copy(n),e-=r.data.length;r=r.next;){var i=r.data,d=e>i.length?i.length:e;if(i.copy(n,n.length-e,0,d),0===(e-=d)){d===i.length?(++a,r.next?t.head=r.next:t.head=t.tail=null):(t.head=r,r.data=i.slice(d));break}++a}return t.length-=a,n}function endReadable(e){var t=e._readableState;if(t.length>0)throw new Error('"endReadable()" called on non-empty stream');t.endEmitted||(t.ended=!0,pna.nextTick(endReadableNT,t,e))}function endReadableNT(e,t){e.endEmitted||0!==e.length||(e.endEmitted=!0,t.readable=!1,t.emit("end"))}function forEach(e,t){for(var n=0,r=e.length;n<r;n++)t(e[n],n)}function indexOf(e,t){for(var n=0,r=e.length;n<r;n++)if(e[n]===t)return n;return-1}var pna=require("process-nextick-args");module.exports=Readable;var isArray=require("isarray"),Duplex;Readable.ReadableState=ReadableState;var EE=require("events").EventEmitter,EElistenerCount=function(e,t){return e.listeners(t).length},Stream=require("./internal/streams/stream"),Buffer=require("safe-buffer").Buffer,OurUint8Array=global.Uint8Array||function(){},util=require("core-util-is");util.inherits=require("inherits");var debugUtil=require("util"),debug=void 0;debug=debugUtil&&debugUtil.debuglog?debugUtil.debuglog("stream"):function(){};var BufferList=require("./internal/streams/BufferList"),destroyImpl=require("./internal/streams/destroy"),StringDecoder;util.inherits(Readable,Stream);var kProxyEvents=["error","close","destroy","pause","resume"];Object.defineProperty(Readable.prototype,"destroyed",{get:function(){return void 0!==this._readableState&&this._readableState.destroyed},set:function(e){this._readableState&&(this._readableState.destroyed=e)}}),Readable.prototype.destroy=destroyImpl.destroy,Readable.prototype._undestroy=destroyImpl.undestroy,Readable.prototype._destroy=function(e,t){this.push(null),t(e)},Readable.prototype.push=function(e,t){var n,r=this._readableState;return r.objectMode?n=!0:"string"==typeof e&&(t=t||r.defaultEncoding,t!==r.encoding&&(e=Buffer.from(e,t),t=""),n=!0),readableAddChunk(this,e,t,!1,n)},Readable.prototype.unshift=function(e){return readableAddChunk(this,e,null,!0,!1)},Readable.prototype.isPaused=function(){return!1===this._readableState.flowing},Readable.prototype.setEncoding=function(e){return StringDecoder||(StringDecoder=require("string_decoder/").StringDecoder),this._readableState.decoder=new StringDecoder(e),this._readableState.encoding=e,this};var MAX_HWM=8388608;Readable.prototype.read=function(e){debug("read",e),e=parseInt(e,10);var t=this._readableState,n=e;if(0!==e&&(t.emittedReadable=!1),0===e&&t.needReadable&&(t.length>=t.highWaterMark||t.ended))return debug("read: emitReadable",t.length,t.ended),0===t.length&&t.ended?endReadable(this):emitReadable(this),null;if(0===(e=howMuchToRead(e,t))&&t.ended)return 0===t.length&&endReadable(this),null;var r=t.needReadable;debug("need readable",r),(0===t.length||t.length-e<t.highWaterMark)&&(r=!0,debug("length less than watermark",r)),t.ended||t.reading?(r=!1,debug("reading or ended",r)):r&&(debug("do read"),t.reading=!0,t.sync=!0,0===t.length&&(t.needReadable=!0),this._read(t.highWaterMark),t.sync=!1,t.reading||(e=howMuchToRead(n,t)));var a;return a=e>0?fromList(e,t):null,null===a?(t.needReadable=!0,e=0):t.length-=e,0===t.length&&(t.ended||(t.needReadable=!0),n!==e&&t.ended&&endReadable(this)),null!==a&&this.emit("data",a),a},Readable.prototype._read=function(e){this.emit("error",new Error("_read() is not implemented"))},Readable.prototype.pipe=function(e,t){function n(e,t){debug("onunpipe"),e===s&&t&&!1===t.hasUnpiped&&(t.hasUnpiped=!0,a())}function r(){debug("onend"),e.end()}function a(){debug("cleanup"),e.removeListener("close",o),e.removeListener("finish",u),e.removeListener("drain",b),e.removeListener("error",d),e.removeListener("unpipe",n),s.removeListener("end",r),s.removeListener("end",l),s.removeListener("data",i),c=!0,!h.awaitDrain||e._writableState&&!e._writableState.needDrain||b()}function i(t){debug("ondata"),g=!1,!1!==e.write(t)||g||((1===h.pipesCount&&h.pipes===e||h.pipesCount>1&&-1!==indexOf(h.pipes,e))&&!c&&(debug("false write response, pause",s._readableState.awaitDrain),s._readableState.awaitDrain++,g=!0),s.pause())}function d(t){debug("onerror",t),l(),e.removeListener("error",d),0===EElistenerCount(e,"error")&&e.emit("error",t)}function o(){e.removeListener("finish",u),l()}function u(){debug("onfinish"),e.removeListener("close",o),l()}function l(){debug("unpipe"),s.unpipe(e)}var s=this,h=this._readableState;switch(h.pipesCount){case 0:h.pipes=e;break;case 1:h.pipes=[h.pipes,e];break;default:h.pipes.push(e)}h.pipesCount+=1,debug("pipe count=%d opts=%j",h.pipesCount,t);var f=(!t||!1!==t.end)&&e!==process.stdout&&e!==process.stderr,p=f?r:l;h.endEmitted?pna.nextTick(p):s.once("end",p),e.on("unpipe",n);var b=pipeOnDrain(s);e.on("drain",b);var c=!1,g=!1;return s.on("data",i),prependListener(e,"error",d),e.once("close",o),e.once("finish",u),e.emit("pipe",s),h.flowing||(debug("pipe resume"),s.resume()),e},Readable.prototype.unpipe=function(e){var t=this._readableState,n={hasUnpiped:!1};if(0===t.pipesCount)return this;if(1===t.pipesCount)return e&&e!==t.pipes?this:(e||(e=t.pipes),t.pipes=null,t.pipesCount=0,t.flowing=!1,e&&e.emit("unpipe",this,n),this);if(!e){var r=t.pipes,a=t.pipesCount;t.pipes=null,t.pipesCount=0,t.flowing=!1;for(var i=0;i<a;i++)r[i].emit("unpipe",this,n);return this}var d=indexOf(t.pipes,e);return-1===d?this:(t.pipes.splice(d,1),t.pipesCount-=1,1===t.pipesCount&&(t.pipes=t.pipes[0]),e.emit("unpipe",this,n),this)},Readable.prototype.on=function(e,t){var n=Stream.prototype.on.call(this,e,t);if("data"===e)!1!==this._readableState.flowing&&this.resume();else if("readable"===e){var r=this._readableState;r.endEmitted||r.readableListening||(r.readableListening=r.needReadable=!0,r.emittedReadable=!1,r.reading?r.length&&emitReadable(this):pna.nextTick(nReadingNextTick,this))}return n},Readable.prototype.addListener=Readable.prototype.on,Readable.prototype.resume=function(){var e=this._readableState;return e.flowing||(debug("resume"),e.flowing=!0,resume(this,e)),this},Readable.prototype.pause=function(){return debug("call pause flowing=%j",this._readableState.flowing),!1!==this._readableState.flowing&&(debug("pause"),this._readableState.flowing=!1,this.emit("pause")),this},Readable.prototype.wrap=function(e){var t=this,n=this._readableState,r=!1;e.on("end",function(){if(debug("wrapped end"),n.decoder&&!n.ended){var e=n.decoder.end();e&&e.length&&t.push(e)}t.push(null)}),e.on("data",function(a){if(debug("wrapped data"),n.decoder&&(a=n.decoder.write(a)),(!n.objectMode||null!==a&&void 0!==a)&&(n.objectMode||a&&a.length)){t.push(a)||(r=!0,e.pause())}});for(var a in e)void 0===this[a]&&"function"==typeof e[a]&&(this[a]=function(t){return function(){return e[t].apply(e,arguments)}}(a));for(var i=0;i<kProxyEvents.length;i++)e.on(kProxyEvents[i],this.emit.bind(this,kProxyEvents[i]));return this._read=function(t){debug("wrapped _read",t),r&&(r=!1,e.resume())},this},Readable._fromList=fromList;
-
 }).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./_stream_duplex":91,"./internal/streams/BufferList":96,"./internal/streams/destroy":97,"./internal/streams/stream":98,"_process":89,"core-util-is":50,"events":51,"inherits":86,"isarray":99,"process-nextick-args":88,"safe-buffer":105,"string_decoder/":100,"util":47}],94:[function(require,module,exports){
+},{"./_stream_duplex":94,"./internal/streams/BufferList":99,"./internal/streams/destroy":100,"./internal/streams/stream":101,"_process":92,"core-util-is":53,"events":54,"inherits":89,"isarray":102,"process-nextick-args":91,"safe-buffer":108,"string_decoder/":103,"util":50}],97:[function(require,module,exports){
 "use strict";function afterTransform(r,t){var n=this._transformState;n.transforming=!1;var e=n.writecb;if(!e)return this.emit("error",new Error("write callback called multiple times"));n.writechunk=null,n.writecb=null,null!=t&&this.push(t),e(r);var i=this._readableState;i.reading=!1,(i.needReadable||i.length<i.highWaterMark)&&this._read(i.highWaterMark)}function Transform(r){if(!(this instanceof Transform))return new Transform(r);Duplex.call(this,r),this._transformState={afterTransform:afterTransform.bind(this),needTransform:!1,transforming:!1,writecb:null,writechunk:null,writeencoding:null},this._readableState.needReadable=!0,this._readableState.sync=!1,r&&("function"==typeof r.transform&&(this._transform=r.transform),"function"==typeof r.flush&&(this._flush=r.flush)),this.on("prefinish",prefinish)}function prefinish(){var r=this;"function"==typeof this._flush?this._flush(function(t,n){done(r,t,n)}):done(this,null,null)}function done(r,t,n){if(t)return r.emit("error",t);if(null!=n&&r.push(n),r._writableState.length)throw new Error("Calling transform done when ws.length != 0");if(r._transformState.transforming)throw new Error("Calling transform done when still transforming");return r.push(null)}module.exports=Transform;var Duplex=require("./_stream_duplex"),util=require("core-util-is");util.inherits=require("inherits"),util.inherits(Transform,Duplex),Transform.prototype.push=function(r,t){return this._transformState.needTransform=!1,Duplex.prototype.push.call(this,r,t)},Transform.prototype._transform=function(r,t,n){throw new Error("_transform() is not implemented")},Transform.prototype._write=function(r,t,n){var e=this._transformState;if(e.writecb=n,e.writechunk=r,e.writeencoding=t,!e.transforming){var i=this._readableState;(e.needTransform||i.needReadable||i.length<i.highWaterMark)&&this._read(i.highWaterMark)}},Transform.prototype._read=function(r){var t=this._transformState;null!==t.writechunk&&t.writecb&&!t.transforming?(t.transforming=!0,this._transform(t.writechunk,t.writeencoding,t.afterTransform)):t.needTransform=!0},Transform.prototype._destroy=function(r,t){var n=this;Duplex.prototype._destroy.call(this,r,function(r){t(r),n.emit("close")})};
 
-},{"./_stream_duplex":91,"core-util-is":50,"inherits":86}],95:[function(require,module,exports){
+},{"./_stream_duplex":94,"core-util-is":53,"inherits":89}],98:[function(require,module,exports){
 (function (process,global){
 "use strict";function WriteReq(e,t,r){this.chunk=e,this.encoding=t,this.callback=r,this.next=null}function CorkedRequest(e){var t=this;this.next=null,this.entry=null,this.finish=function(){onCorkedFinish(t,e)}}function _uint8ArrayToBuffer(e){return Buffer.from(e)}function _isUint8Array(e){return Buffer.isBuffer(e)||e instanceof OurUint8Array}function nop(){}function WritableState(e,t){Duplex=Duplex||require("./_stream_duplex"),e=e||{};var r=t instanceof Duplex;this.objectMode=!!e.objectMode,r&&(this.objectMode=this.objectMode||!!e.writableObjectMode);var i=e.highWaterMark,n=e.writableHighWaterMark,o=this.objectMode?16:16384;this.highWaterMark=i||0===i?i:r&&(n||0===n)?n:o,this.highWaterMark=Math.floor(this.highWaterMark),this.finalCalled=!1,this.needDrain=!1,this.ending=!1,this.ended=!1,this.finished=!1,this.destroyed=!1;var a=!1===e.decodeStrings;this.decodeStrings=!a,this.defaultEncoding=e.defaultEncoding||"utf8",this.length=0,this.writing=!1,this.corked=0,this.sync=!0,this.bufferProcessing=!1,this.onwrite=function(e){onwrite(t,e)},this.writecb=null,this.writelen=0,this.bufferedRequest=null,this.lastBufferedRequest=null,this.pendingcb=0,this.prefinished=!1,this.errorEmitted=!1,this.bufferedRequestCount=0,this.corkedRequestsFree=new CorkedRequest(this)}function Writable(e){if(Duplex=Duplex||require("./_stream_duplex"),!(realHasInstance.call(Writable,this)||this instanceof Duplex))return new Writable(e);this._writableState=new WritableState(e,this),this.writable=!0,e&&("function"==typeof e.write&&(this._write=e.write),"function"==typeof e.writev&&(this._writev=e.writev),"function"==typeof e.destroy&&(this._destroy=e.destroy),"function"==typeof e.final&&(this._final=e.final)),Stream.call(this)}function writeAfterEnd(e,t){var r=new Error("write after end");e.emit("error",r),pna.nextTick(t,r)}function validChunk(e,t,r,i){var n=!0,o=!1;return null===r?o=new TypeError("May not write null values to stream"):"string"==typeof r||void 0===r||t.objectMode||(o=new TypeError("Invalid non-string/buffer chunk")),o&&(e.emit("error",o),pna.nextTick(i,o),n=!1),n}function decodeChunk(e,t,r){return e.objectMode||!1===e.decodeStrings||"string"!=typeof t||(t=Buffer.from(t,r)),t}function writeOrBuffer(e,t,r,i,n,o){if(!r){var a=decodeChunk(t,i,n);i!==a&&(r=!0,n="buffer",i=a)}var s=t.objectMode?1:i.length;t.length+=s;var f=t.length<t.highWaterMark;if(f||(t.needDrain=!0),t.writing||t.corked){var u=t.lastBufferedRequest;t.lastBufferedRequest={chunk:i,encoding:n,isBuf:r,callback:o,next:null},u?u.next=t.lastBufferedRequest:t.bufferedRequest=t.lastBufferedRequest,t.bufferedRequestCount+=1}else doWrite(e,t,!1,s,i,n,o);return f}function doWrite(e,t,r,i,n,o,a){t.writelen=i,t.writecb=a,t.writing=!0,t.sync=!0,r?e._writev(n,t.onwrite):e._write(n,o,t.onwrite),t.sync=!1}function onwriteError(e,t,r,i,n){--t.pendingcb,r?(pna.nextTick(n,i),pna.nextTick(finishMaybe,e,t),e._writableState.errorEmitted=!0,e.emit("error",i)):(n(i),e._writableState.errorEmitted=!0,e.emit("error",i),finishMaybe(e,t))}function onwriteStateUpdate(e){e.writing=!1,e.writecb=null,e.length-=e.writelen,e.writelen=0}function onwrite(e,t){var r=e._writableState,i=r.sync,n=r.writecb;if(onwriteStateUpdate(r),t)onwriteError(e,r,i,t,n);else{var o=needFinish(r);o||r.corked||r.bufferProcessing||!r.bufferedRequest||clearBuffer(e,r),i?asyncWrite(afterWrite,e,r,o,n):afterWrite(e,r,o,n)}}function afterWrite(e,t,r,i){r||onwriteDrain(e,t),t.pendingcb--,i(),finishMaybe(e,t)}function onwriteDrain(e,t){0===t.length&&t.needDrain&&(t.needDrain=!1,e.emit("drain"))}function clearBuffer(e,t){t.bufferProcessing=!0;var r=t.bufferedRequest;if(e._writev&&r&&r.next){var i=t.bufferedRequestCount,n=new Array(i),o=t.corkedRequestsFree;o.entry=r;for(var a=0,s=!0;r;)n[a]=r,r.isBuf||(s=!1),r=r.next,a+=1;n.allBuffers=s,doWrite(e,t,!0,t.length,n,"",o.finish),t.pendingcb++,t.lastBufferedRequest=null,o.next?(t.corkedRequestsFree=o.next,o.next=null):t.corkedRequestsFree=new CorkedRequest(t),t.bufferedRequestCount=0}else{for(;r;){var f=r.chunk,u=r.encoding,l=r.callback;if(doWrite(e,t,!1,t.objectMode?1:f.length,f,u,l),r=r.next,t.bufferedRequestCount--,t.writing)break}null===r&&(t.lastBufferedRequest=null)}t.bufferedRequest=r,t.bufferProcessing=!1}function needFinish(e){return e.ending&&0===e.length&&null===e.bufferedRequest&&!e.finished&&!e.writing}function callFinal(e,t){e._final(function(r){t.pendingcb--,r&&e.emit("error",r),t.prefinished=!0,e.emit("prefinish"),finishMaybe(e,t)})}function prefinish(e,t){t.prefinished||t.finalCalled||("function"==typeof e._final?(t.pendingcb++,t.finalCalled=!0,pna.nextTick(callFinal,e,t)):(t.prefinished=!0,e.emit("prefinish")))}function finishMaybe(e,t){var r=needFinish(t);return r&&(prefinish(e,t),0===t.pendingcb&&(t.finished=!0,e.emit("finish"))),r}function endWritable(e,t,r){t.ending=!0,finishMaybe(e,t),r&&(t.finished?pna.nextTick(r):e.once("finish",r)),t.ended=!0,e.writable=!1}function onCorkedFinish(e,t,r){var i=e.entry;for(e.entry=null;i;){var n=i.callback;t.pendingcb--,n(r),i=i.next}t.corkedRequestsFree?t.corkedRequestsFree.next=e:t.corkedRequestsFree=e}var pna=require("process-nextick-args");module.exports=Writable;var asyncWrite=!process.browser&&["v0.10","v0.9."].indexOf(process.version.slice(0,5))>-1?setImmediate:pna.nextTick,Duplex;Writable.WritableState=WritableState;var util=require("core-util-is");util.inherits=require("inherits");var internalUtil={deprecate:require("util-deprecate")},Stream=require("./internal/streams/stream"),Buffer=require("safe-buffer").Buffer,OurUint8Array=global.Uint8Array||function(){},destroyImpl=require("./internal/streams/destroy");util.inherits(Writable,Stream),WritableState.prototype.getBuffer=function(){for(var e=this.bufferedRequest,t=[];e;)t.push(e),e=e.next;return t},function(){try{Object.defineProperty(WritableState.prototype,"buffer",{get:internalUtil.deprecate(function(){return this.getBuffer()},"_writableState.buffer is deprecated. Use _writableState.getBuffer instead.","DEP0003")})}catch(e){}}();var realHasInstance;"function"==typeof Symbol&&Symbol.hasInstance&&"function"==typeof Function.prototype[Symbol.hasInstance]?(realHasInstance=Function.prototype[Symbol.hasInstance],Object.defineProperty(Writable,Symbol.hasInstance,{value:function(e){return!!realHasInstance.call(this,e)||this===Writable&&(e&&e._writableState instanceof WritableState)}})):realHasInstance=function(e){return e instanceof this},Writable.prototype.pipe=function(){this.emit("error",new Error("Cannot pipe, not readable"))},Writable.prototype.write=function(e,t,r){var i=this._writableState,n=!1,o=!i.objectMode&&_isUint8Array(e);return o&&!Buffer.isBuffer(e)&&(e=_uint8ArrayToBuffer(e)),"function"==typeof t&&(r=t,t=null),o?t="buffer":t||(t=i.defaultEncoding),"function"!=typeof r&&(r=nop),i.ended?writeAfterEnd(this,r):(o||validChunk(this,i,e,r))&&(i.pendingcb++,n=writeOrBuffer(this,i,o,e,t,r)),n},Writable.prototype.cork=function(){this._writableState.corked++},Writable.prototype.uncork=function(){var e=this._writableState;e.corked&&(e.corked--,e.writing||e.corked||e.finished||e.bufferProcessing||!e.bufferedRequest||clearBuffer(this,e))},Writable.prototype.setDefaultEncoding=function(e){if("string"==typeof e&&(e=e.toLowerCase()),!(["hex","utf8","utf-8","ascii","binary","base64","ucs2","ucs-2","utf16le","utf-16le","raw"].indexOf((e+"").toLowerCase())>-1))throw new TypeError("Unknown encoding: "+e);return this._writableState.defaultEncoding=e,this},Writable.prototype._write=function(e,t,r){r(new Error("_write() is not implemented"))},Writable.prototype._writev=null,Writable.prototype.end=function(e,t,r){var i=this._writableState;"function"==typeof e?(r=e,e=null,t=null):"function"==typeof t&&(r=t,t=null),null!==e&&void 0!==e&&this.write(e,t),i.corked&&(i.corked=1,this.uncork()),i.ending||i.finished||endWritable(this,i,r)},Object.defineProperty(Writable.prototype,"destroyed",{get:function(){return void 0!==this._writableState&&this._writableState.destroyed},set:function(e){this._writableState&&(this._writableState.destroyed=e)}}),Writable.prototype.destroy=destroyImpl.destroy,Writable.prototype._undestroy=destroyImpl.undestroy,Writable.prototype._destroy=function(e,t){this.end(),t(e)};
+
 }).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./_stream_duplex":91,"./internal/streams/destroy":97,"./internal/streams/stream":98,"_process":89,"core-util-is":50,"inherits":86,"process-nextick-args":88,"safe-buffer":105,"util-deprecate":110}],96:[function(require,module,exports){
+},{"./_stream_duplex":94,"./internal/streams/destroy":100,"./internal/streams/stream":101,"_process":92,"core-util-is":53,"inherits":89,"process-nextick-args":91,"safe-buffer":108,"util-deprecate":113}],99:[function(require,module,exports){
 "use strict";function _classCallCheck(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function copyBuffer(t,e,i){t.copy(e,i)}var Buffer=require("safe-buffer").Buffer,util=require("util");module.exports=function(){function t(){_classCallCheck(this,t),this.head=null,this.tail=null,this.length=0}return t.prototype.push=function(t){var e={data:t,next:null};this.length>0?this.tail.next=e:this.head=e,this.tail=e,++this.length},t.prototype.unshift=function(t){var e={data:t,next:this.head};0===this.length&&(this.tail=e),this.head=e,++this.length},t.prototype.shift=function(){if(0!==this.length){var t=this.head.data;return 1===this.length?this.head=this.tail=null:this.head=this.head.next,--this.length,t}},t.prototype.clear=function(){this.head=this.tail=null,this.length=0},t.prototype.join=function(t){if(0===this.length)return"";for(var e=this.head,i=""+e.data;e=e.next;)i+=t+e.data;return i},t.prototype.concat=function(t){if(0===this.length)return Buffer.alloc(0);if(1===this.length)return this.head.data;for(var e=Buffer.allocUnsafe(t>>>0),i=this.head,n=0;i;)copyBuffer(i.data,e,n),n+=i.data.length,i=i.next;return e},t}(),util&&util.inspect&&util.inspect.custom&&(module.exports.prototype[util.inspect.custom]=function(){var t=util.inspect({length:this.length});return this.constructor.name+" "+t});
 
-},{"safe-buffer":105,"util":47}],97:[function(require,module,exports){
+},{"safe-buffer":108,"util":50}],100:[function(require,module,exports){
 "use strict";function destroy(t,e){var r=this,a=this._readableState&&this._readableState.destroyed,i=this._writableState&&this._writableState.destroyed;return a||i?(e?e(t):!t||this._writableState&&this._writableState.errorEmitted||pna.nextTick(emitErrorNT,this,t),this):(this._readableState&&(this._readableState.destroyed=!0),this._writableState&&(this._writableState.destroyed=!0),this._destroy(t||null,function(t){!e&&t?(pna.nextTick(emitErrorNT,r,t),r._writableState&&(r._writableState.errorEmitted=!0)):e&&e(t)}),this)}function undestroy(){this._readableState&&(this._readableState.destroyed=!1,this._readableState.reading=!1,this._readableState.ended=!1,this._readableState.endEmitted=!1),this._writableState&&(this._writableState.destroyed=!1,this._writableState.ended=!1,this._writableState.ending=!1,this._writableState.finished=!1,this._writableState.errorEmitted=!1)}function emitErrorNT(t,e){t.emit("error",e)}var pna=require("process-nextick-args");module.exports={destroy:destroy,undestroy:undestroy};
 
-},{"process-nextick-args":88}],98:[function(require,module,exports){
+},{"process-nextick-args":91}],101:[function(require,module,exports){
 module.exports=require("events").EventEmitter;
 
-},{"events":51}],99:[function(require,module,exports){
-arguments[4][49][0].apply(exports,arguments)
-},{"dup":49}],100:[function(require,module,exports){
+},{"events":54}],102:[function(require,module,exports){
+arguments[4][52][0].apply(exports,arguments)
+},{"dup":52}],103:[function(require,module,exports){
 "use strict";function _normalizeEncoding(t){if(!t)return"utf8";for(var e;;)switch(t){case"utf8":case"utf-8":return"utf8";case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return"utf16le";case"latin1":case"binary":return"latin1";case"base64":case"ascii":case"hex":return t;default:if(e)return;t=(""+t).toLowerCase(),e=!0}}function normalizeEncoding(t){var e=_normalizeEncoding(t);if("string"!=typeof e&&(Buffer.isEncoding===isEncoding||!isEncoding(t)))throw new Error("Unknown encoding: "+t);return e||t}function StringDecoder(t){this.encoding=normalizeEncoding(t);var e;switch(this.encoding){case"utf16le":this.text=utf16Text,this.end=utf16End,e=4;break;case"utf8":this.fillLast=utf8FillLast,e=4;break;case"base64":this.text=base64Text,this.end=base64End,e=3;break;default:return this.write=simpleWrite,void(this.end=simpleEnd)}this.lastNeed=0,this.lastTotal=0,this.lastChar=Buffer.allocUnsafe(e)}function utf8CheckByte(t){return t<=127?0:t>>5==6?2:t>>4==14?3:t>>3==30?4:-1}function utf8CheckIncomplete(t,e,s){var i=e.length-1;if(i<s)return 0;var a=utf8CheckByte(e[i]);return a>=0?(a>0&&(t.lastNeed=a-1),a):--i<s?0:(a=utf8CheckByte(e[i]))>=0?(a>0&&(t.lastNeed=a-2),a):--i<s?0:(a=utf8CheckByte(e[i]),a>=0?(a>0&&(2===a?a=0:t.lastNeed=a-3),a):0)}function utf8CheckExtraBytes(t,e,s){if(128!=(192&e[0]))return t.lastNeed=0,"�".repeat(s);if(t.lastNeed>1&&e.length>1){if(128!=(192&e[1]))return t.lastNeed=1,"�".repeat(s+1);if(t.lastNeed>2&&e.length>2&&128!=(192&e[2]))return t.lastNeed=2,"�".repeat(s+2)}}function utf8FillLast(t){var e=this.lastTotal-this.lastNeed,s=utf8CheckExtraBytes(this,t,e);return void 0!==s?s:this.lastNeed<=t.length?(t.copy(this.lastChar,e,0,this.lastNeed),this.lastChar.toString(this.encoding,0,this.lastTotal)):(t.copy(this.lastChar,e,0,t.length),void(this.lastNeed-=t.length))}function utf8Text(t,e){var s=utf8CheckIncomplete(this,t,e);if(!this.lastNeed)return t.toString("utf8",e);this.lastTotal=s;var i=t.length-(s-this.lastNeed);return t.copy(this.lastChar,0,i),t.toString("utf8",e,i)}function utf8End(t){var e=t&&t.length?this.write(t):"";return this.lastNeed?e+"�".repeat(this.lastTotal-this.lastNeed):e}function utf16Text(t,e){if((t.length-e)%2==0){var s=t.toString("utf16le",e);if(s){var i=s.charCodeAt(s.length-1);if(i>=55296&&i<=56319)return this.lastNeed=2,this.lastTotal=4,this.lastChar[0]=t[t.length-2],this.lastChar[1]=t[t.length-1],s.slice(0,-1)}return s}return this.lastNeed=1,this.lastTotal=2,this.lastChar[0]=t[t.length-1],t.toString("utf16le",e,t.length-1)}function utf16End(t){var e=t&&t.length?this.write(t):"";if(this.lastNeed){var s=this.lastTotal-this.lastNeed;return e+this.lastChar.toString("utf16le",0,s)}return e}function base64Text(t,e){var s=(t.length-e)%3;return 0===s?t.toString("base64",e):(this.lastNeed=3-s,this.lastTotal=3,1===s?this.lastChar[0]=t[t.length-1]:(this.lastChar[0]=t[t.length-2],this.lastChar[1]=t[t.length-1]),t.toString("base64",e,t.length-s))}function base64End(t){var e=t&&t.length?this.write(t):"";return this.lastNeed?e+this.lastChar.toString("base64",0,3-this.lastNeed):e}function simpleWrite(t){return t.toString(this.encoding)}function simpleEnd(t){return t&&t.length?this.write(t):""}var Buffer=require("safe-buffer").Buffer,isEncoding=Buffer.isEncoding||function(t){switch((t=""+t)&&t.toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":case"raw":return!0;default:return!1}};exports.StringDecoder=StringDecoder,StringDecoder.prototype.write=function(t){if(0===t.length)return"";var e,s;if(this.lastNeed){if(void 0===(e=this.fillLast(t)))return"";s=this.lastNeed,this.lastNeed=0}else s=0;return s<t.length?e?e+this.text(t,s):this.text(t,s):e||""},StringDecoder.prototype.end=utf8End,StringDecoder.prototype.text=utf8Text,StringDecoder.prototype.fillLast=function(t){if(this.lastNeed<=t.length)return t.copy(this.lastChar,this.lastTotal-this.lastNeed,0,this.lastNeed),this.lastChar.toString(this.encoding,0,this.lastTotal);t.copy(this.lastChar,this.lastTotal-this.lastNeed,0,t.length),this.lastNeed-=t.length};
-
-},{"safe-buffer":105}],101:[function(require,module,exports){
+},{"safe-buffer":108}],104:[function(require,module,exports){
 module.exports=require("./readable").PassThrough;
 
-},{"./readable":102}],102:[function(require,module,exports){
+},{"./readable":105}],105:[function(require,module,exports){
 exports=module.exports=require("./lib/_stream_readable.js"),exports.Stream=exports,exports.Readable=exports,exports.Writable=require("./lib/_stream_writable.js"),exports.Duplex=require("./lib/_stream_duplex.js"),exports.Transform=require("./lib/_stream_transform.js"),exports.PassThrough=require("./lib/_stream_passthrough.js");
 
-},{"./lib/_stream_duplex.js":91,"./lib/_stream_passthrough.js":92,"./lib/_stream_readable.js":93,"./lib/_stream_transform.js":94,"./lib/_stream_writable.js":95}],103:[function(require,module,exports){
+},{"./lib/_stream_duplex.js":94,"./lib/_stream_passthrough.js":95,"./lib/_stream_readable.js":96,"./lib/_stream_transform.js":97,"./lib/_stream_writable.js":98}],106:[function(require,module,exports){
 module.exports=require("./readable").Transform;
 
-},{"./readable":102}],104:[function(require,module,exports){
+},{"./readable":105}],107:[function(require,module,exports){
 module.exports=require("./lib/_stream_writable.js");
 
-},{"./lib/_stream_writable.js":95}],105:[function(require,module,exports){
+},{"./lib/_stream_writable.js":98}],108:[function(require,module,exports){
 function copyProps(f,r){for(var e in f)r[e]=f[e]}function SafeBuffer(f,r,e){return Buffer(f,r,e)}var buffer=require("buffer"),Buffer=buffer.Buffer;Buffer.from&&Buffer.alloc&&Buffer.allocUnsafe&&Buffer.allocUnsafeSlow?module.exports=buffer:(copyProps(buffer,exports),exports.Buffer=SafeBuffer),copyProps(Buffer,SafeBuffer),SafeBuffer.from=function(f,r,e){if("number"==typeof f)throw new TypeError("Argument must not be a number");return Buffer(f,r,e)},SafeBuffer.alloc=function(f,r,e){if("number"!=typeof f)throw new TypeError("Argument must be a number");var u=Buffer(f);return void 0!==r?"string"==typeof e?u.fill(r,e):u.fill(r):u.fill(0),u},SafeBuffer.allocUnsafe=function(f){if("number"!=typeof f)throw new TypeError("Argument must be a number");return Buffer(f)},SafeBuffer.allocUnsafeSlow=function(f){if("number"!=typeof f)throw new TypeError("Argument must be a number");return buffer.SlowBuffer(f)};
 
-},{"buffer":48}],106:[function(require,module,exports){
+},{"buffer":51}],109:[function(require,module,exports){
 function Stream(){EE.call(this)}module.exports=Stream;var EE=require("events").EventEmitter,inherits=require("inherits");inherits(Stream,EE),Stream.Readable=require("readable-stream/readable.js"),Stream.Writable=require("readable-stream/writable.js"),Stream.Duplex=require("readable-stream/duplex.js"),Stream.Transform=require("readable-stream/transform.js"),Stream.PassThrough=require("readable-stream/passthrough.js"),Stream.Stream=Stream,Stream.prototype.pipe=function(e,r){function t(r){e.writable&&!1===e.write(r)&&m.pause&&m.pause()}function n(){m.readable&&m.resume&&m.resume()}function a(){u||(u=!0,e.end())}function o(){u||(u=!0,"function"==typeof e.destroy&&e.destroy())}function i(e){if(s(),0===EE.listenerCount(this,"error"))throw e}function s(){m.removeListener("data",t),e.removeListener("drain",n),m.removeListener("end",a),m.removeListener("close",o),m.removeListener("error",i),e.removeListener("error",i),m.removeListener("end",s),m.removeListener("close",s),e.removeListener("close",s)}var m=this;m.on("data",t),e.on("drain",n),e._isStdio||r&&!1===r.end||(m.on("end",a),m.on("close",o));var u=!1;return m.on("error",i),e.on("error",i),m.on("end",s),m.on("close",s),e.on("close",s),e.emit("pipe",m),e};
-},{"events":51,"inherits":86,"readable-stream/duplex.js":90,"readable-stream/passthrough.js":101,"readable-stream/readable.js":102,"readable-stream/transform.js":103,"readable-stream/writable.js":104}],107:[function(require,module,exports){
+},{"events":54,"inherits":89,"readable-stream/duplex.js":93,"readable-stream/passthrough.js":104,"readable-stream/readable.js":105,"readable-stream/transform.js":106,"readable-stream/writable.js":107}],110:[function(require,module,exports){
 "use strict";function _interopRequireDefault(t){return t&&t.__esModule?t:{default:t}}function _classCallCheck(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(exports,"__esModule",{value:!0});var _createClass=function(){function t(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,n,r){return n&&t(e.prototype,n),r&&t(e,r),e}}(),_=require("./"),_2=_interopRequireDefault(_),Block=function(){function t(e,n){_classCallCheck(this,t),this.index=0,this.thaws=[],this.count=n||200,this.options=e}return _createClass(t,[{key:"add",value:function(t){return this._next().add(t),this}},{key:"addArray",value:function(t){return this._next().addArray(t),this}},{key:"insert",value:function(t){return this._next().insert(t),this}},{key:"insertArray",value:function(t){return this._next().insertArray(t),this}},{key:"stop",value:function(){for(var t=0;t<this.thaws.length;t++)this.thaws[t].stop();return this}},{key:"_next",value:function(){var t=null,e=this.thaws;return e.length<this.count?e.push(t=new _2.default([],this.options)):t=e[this.index],this.index++,this.index>=this.count&&(this.index=0),t}}]),t}();exports.default=Block;
 
-},{"./":108}],108:[function(require,module,exports){
+},{"./":111}],111:[function(require,module,exports){
 "use strict";function _interopRequireDefault(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(exports,"__esModule",{value:!0}),exports.Block=void 0;var _thaw=require("./thaw"),_thaw2=_interopRequireDefault(_thaw),_block=require("./block"),_block2=_interopRequireDefault(_block);exports.default=_thaw2.default,exports.Block=_block2.default,"undefined"!=typeof window&&(window.Thaw=_thaw2.default,window.Thaw.Block=_block2.default);
-},{"./block":107,"./thaw":109}],109:[function(require,module,exports){
+},{"./block":110,"./thaw":112}],112:[function(require,module,exports){
 "use strict";function _classCallCheck(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function thaw(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return new Thaw(t,e)}Object.defineProperty(exports,"__esModule",{value:!0});var _extends=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var i=arguments[e];for(var n in i)Object.prototype.hasOwnProperty.call(i,n)&&(t[n]=i[n])}return t},_createClass=function(){function t(t,e){for(var i=0;i<e.length;i++){var n=e[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}return function(e,i,n){return i&&t(e.prototype,i),n&&t(e,n),e}}();exports.thaw=thaw;var thawing=!1,thaws=[],Thaw=function(){function t(e){var i=this,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};_classCallCheck(this,t);var s=_extends({},this.constructor.defaultSettings,n),a=s.each,r=s.done;this.items=e,this.i=0,this.options=n;var h=this.tick=function(){if(!(i.i<0||(i.timeout=setTimeout(h,0),thawing))){var t=e[i.i];if(i.i>=e.length)return null!==r&&(thawing=!0,r(t,i.i),thawing=!1),i.i=-1,void clearTimeout(i.timeout);null!==a?(thawing=!0,a(t,i.i),thawing=!1):void 0!==t&&t(),i.i++}};thaws.push(this),n.delay||h()}return _createClass(t,null,[{key:"stopAll",value:function(){for(var t=0;t<thaws.length;t++)thaws[t].stop()}},{key:"defaultSettings",get:function(){return{each:null,done:null}}},{key:"isThawing",get:function(){return thawing}}]),_createClass(t,[{key:"makeReady",value:function(){return this.i<0&&(this.i=this.items.length,!0)}},{key:"add",value:function(t){var e=this.makeReady();return this.items.push(t),e&&this.tick(),this}},{key:"insert",value:function(t){var e=this.makeReady();return this.items.splice(this.i,0,t),e&&this.tick(),this}},{key:"addArray",value:function(t){var e=this.makeReady();return this.items=this.items.concat(t),e&&this.tick(),this}},{key:"insertArray",value:function(t){var e=this.makeReady(),i=this.items,n=t,s=this.items.splice(this.i,this.items.length-this.i+1);return this.items=i.concat(n,s),e&&this.tick(),this}},{key:"stop",value:function(){return this.i=-1,clearTimeout(this.timeout),this.options.done&&this.options.done(),this}}]),t}();exports.default=Thaw;
 
-},{}],110:[function(require,module,exports){
+},{}],113:[function(require,module,exports){
 (function (global){
 function deprecate(r,e){function o(){if(!t){if(config("throwDeprecation"))throw new Error(e);config("traceDeprecation")?console.trace(e):console.warn(e),t=!0}return r.apply(this,arguments)}if(config("noDeprecation"))return r;var t=!1;return o}function config(r){try{if(!global.localStorage)return!1}catch(r){return!1}var e=global.localStorage[r];return null!=e&&"true"===String(e).toLowerCase()}module.exports=deprecate;
 
 }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{}]},{},[44])(44)
+},{}]},{},[47])(47)
 });
\ No newline at end of file
diff --git a/index.js b/index.js
index 135210928..484cd6ec4 100644
--- a/index.js
+++ b/index.js
@@ -4,6 +4,9 @@ var lookup = require('./dist/lookup').default;
 var NeuralNetwork = require('./dist/neural-network').default;
 var NeuralNetworkGPU = require('./dist/neural-network-gpu').default;
 var TrainStream = require('./dist/train-stream').default;
+var RNNTimeStep = require('./dist/recurrent/rnn-time-step').default;
+var LSTMTimeStep = require('./dist/recurrent/lstm-time-step').default;
+var GRUTimeStep = require('./dist/recurrent/gru-time-step').default;
 var RNN = require('./dist/recurrent/rnn').default;
 var LSTM = require('./dist/recurrent/lstm').default;
 var GRU = require('./dist/recurrent/gru').default;
@@ -28,6 +31,9 @@ var brain = {
   NeuralNetworkGPU: NeuralNetworkGPU,
   TrainStream: TrainStream,
   recurrent: {
+    RNNTimeStep: RNNTimeStep,
+    LSTMTimeStep: LSTMTimeStep,
+    GRUTimeStep: GRUTimeStep,
     RNN: RNN,
     LSTM: LSTM,
     GRU: GRU,
diff --git a/package.json b/package.json
index ce3a0dfbd..3db99d44f 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "brain.js",
   "description": "Neural network library",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "author": "Heather Arthur <fayearthur@gmail.com>",
   "repository": {
     "type": "git",