Fix for issue #431

qiskit-community · Aug 26, 2024 · 693f7e6 · 693f7e6
1 parent 91464fe
commit 693f7e6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/qiskit_qec/linear/symplectic.py b/src/qiskit_qec/linear/symplectic.py
@@ -196,7 +196,7 @@ def _symplectic_product_vv_boolean(vec1: np.ndarray, vec2: np.ndarray, n: int) -
     assert vec1.dtype == bool
     r = False
     for i in range(n):
-        r += vec1[i] & vec2[n + i] ^ vec1[n + i] & vec2[i]
+        r ^= vec1[i] & vec2[n + i] ^ vec1[n + i] & vec2[i]
     return int(r)