From 29959d8cf5e78ca6eef1916010a254f0c6ef6629 Mon Sep 17 00:00:00 2001
From: Martin Heistermann <git@mheistermann.de>
Date: Mon, 30 Mar 2020 19:04:26 +0200
Subject: [PATCH] VectorT: Implement .cross() and .dot() methods.

Aliases for operators % and | for better compatibility with Eigen3.
---
 src/OpenMesh/Core/Geometry/Vector11T.hh | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/src/OpenMesh/Core/Geometry/Vector11T.hh b/src/OpenMesh/Core/Geometry/Vector11T.hh
index c11a77e9..44258377 100644
--- a/src/OpenMesh/Core/Geometry/Vector11T.hh
+++ b/src/OpenMesh/Core/Geometry/Vector11T.hh
@@ -369,7 +369,7 @@ class VectorT {
         }
 
         /// cross product: only defined for Vec3* as specialization
-        /// \see OpenMesh::cross
+        /// \see OpenMesh::cross and .cross()
         template<typename OtherScalar>
         auto operator% (const VectorT<OtherScalar, DIM> &_rhs) const ->
             typename std::enable_if<DIM == 3,
@@ -382,8 +382,18 @@ class VectorT {
             };
         }
 
+        /// cross product: only defined for Vec3* as specialization
+        /// \see OpenMesh::cross and .operator%
+        template<typename OtherScalar>
+        auto cross (const VectorT<OtherScalar, DIM> &_rhs) const ->
+            decltype(*this % _rhs)
+        {
+            return *this % _rhs;
+        }
+
+
         /// compute scalar product
-        /// \see OpenMesh::dot
+        /// \see OpenMesh::dot and .dot()
         template<typename OtherScalar>
         auto operator|(const VectorT<OtherScalar, DIM>& _rhs) const ->
             decltype(*this->data() * *_rhs.data()) {
@@ -392,6 +402,15 @@ class VectorT {
                     *begin() * *_rhs.begin());
         }
 
+        /// compute scalar product
+        /// \see OpenMesh::dot and .operator|
+        template<typename OtherScalar>
+        auto dot(const VectorT<OtherScalar, DIM>& _rhs) const ->
+            decltype(*this | _rhs)
+        {
+            return *this | _rhs;
+        }
+
         //------------------------------------------------------------ euclidean norm
 
         /// \name Euclidean norm calculations