From 9c128d97b91c23bd186717e54c9a6b3a60ca7e57 Mon Sep 17 00:00:00 2001
From: janbridley <bradleyjenj@gmail.com>
Date: Mon, 18 Sep 2023 11:44:00 -0400
Subject: [PATCH 1/3] Added `edge_lengths` property

---
 coxeter/shapes/polyhedron.py | 5 +++++
 tests/test_polyhedron.py     | 1 +
 2 files changed, 6 insertions(+)

diff --git a/coxeter/shapes/polyhedron.py b/coxeter/shapes/polyhedron.py
index 0f2dd6a9..b4ae1189 100644
--- a/coxeter/shapes/polyhedron.py
+++ b/coxeter/shapes/polyhedron.py
@@ -390,6 +390,11 @@ def edge_vectors(self):
         """:class:`numpy.ndarray`: Get the polyhedron's edges as vectors."""
         return self.vertices[self.edges[:, 1]] - self.vertices[self.edges[:, 0]]
 
+    @property
+    def edge_lengths(self):
+        """:class:`numpy.ndarray`: Get the length of each edge of the polyhedron."""
+        return np.linalg.norm(self.edge_vectors, axis=1)
+
     @property
     def num_edges(self):
         """int: Get the number of edges."""
diff --git a/tests/test_polyhedron.py b/tests/test_polyhedron.py
index a31ece8c..3241e383 100644
--- a/tests/test_polyhedron.py
+++ b/tests/test_polyhedron.py
@@ -392,6 +392,7 @@ def test_edge_lengths():
             poly.vertices[poly.edges[:, 1]] - poly.vertices[poly.edges[:, 0]], axis=1
         )
         assert np.allclose(veclens, edgelength)
+        assert np.allclose(poly.edge_lengths, edgelength)
         assert np.allclose(veclens, np.linalg.norm(poly.edge_vectors, axis=1))
 
 

From de9e8dd488b5c18f5ae1c3e8ba658d8f167342a0 Mon Sep 17 00:00:00 2001
From: janbridley <bradleyjenj@gmail.com>
Date: Wed, 27 Sep 2023 16:10:23 -0400
Subject: [PATCH 2/3] Clarified documentation

---
 coxeter/shapes/polyhedron.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/coxeter/shapes/polyhedron.py b/coxeter/shapes/polyhedron.py
index b4ae1189..4f0997cf 100644
--- a/coxeter/shapes/polyhedron.py
+++ b/coxeter/shapes/polyhedron.py
@@ -387,12 +387,18 @@ def edges(self):
 
     @property
     def edge_vectors(self):
-        """:class:`numpy.ndarray`: Get the polyhedron's edges as vectors."""
+        """:class:`numpy.ndarray`: Get the polyhedron's edges as vectors.
+
+        :code:`edge_vectors` are returned in the same order as in :attr:`edges`.
+        """
         return self.vertices[self.edges[:, 1]] - self.vertices[self.edges[:, 0]]
 
     @property
     def edge_lengths(self):
-        """:class:`numpy.ndarray`: Get the length of each edge of the polyhedron."""
+        """:class:`numpy.ndarray`: Get the length of each edge of the polyhedron.
+
+        :code:`edge_lengths` are returned in the same order as in :attr:`edges`.
+        """
         return np.linalg.norm(self.edge_vectors, axis=1)
 
     @property

From 080e942d323540dd7f8f44bb59c48bea76c13504 Mon Sep 17 00:00:00 2001
From: janbridley <bradleyjenj@gmail.com>
Date: Wed, 27 Sep 2023 16:13:50 -0400
Subject: [PATCH 3/3] Updated changelog and credits

---
 ChangeLog.rst | 7 +++++++
 Credits.rst   | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/ChangeLog.rst b/ChangeLog.rst
index e312f07a..349b06fa 100644
--- a/ChangeLog.rst
+++ b/ChangeLog.rst
@@ -1,6 +1,13 @@
 The format is based on `Keep a Changelog <http://keepachangelog.com/en/1.0.0/>`__.
 This project adheres to `Semantic Versioning <http://semver.org/spec/v2.0.0.html>`__.
 
+v0.x.x - 20xx-xx-xx
+
+Added
+~~~~~
+
+- New `edge_lengths` method.
+
 v0.7.0 - 2023-09-18
 -------------------
 
diff --git a/Credits.rst b/Credits.rst
index 97bc7beb..d6545066 100644
--- a/Credits.rst
+++ b/Credits.rst
@@ -112,7 +112,7 @@ Jen Bradley
 * Added shape families for Archimedean, Catalan, and Johnson solids.
 * Added shape family for prisms and antiprisms.
 * Added shape family for equilateral pyramids and dipyramids.
-* Added edges, edge_vectors, and num_edges methods.
+* Added edges, edge_vectors, edge_lengths, and num_edges methods.
 
 Domagoj Fijan
 * Rewrote point in polygon check to use NumPy vectorized operations.