From 3b5364d3e43b9af589dfa2574e8d15af4783fd8a Mon Sep 17 00:00:00 2001
From: Janis Born <born@cs.rwth-aachen.de>
Date: Thu, 26 Nov 2015 12:46:08 +0100
Subject: [PATCH] take VectorT argument by reference for non-member vector
 scalar multiplication (fixes #12)

---
 src/OpenMesh/Core/Geometry/VectorT.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/OpenMesh/Core/Geometry/VectorT.hh b/src/OpenMesh/Core/Geometry/VectorT.hh
index 713637e9..b79882b4 100644
--- a/src/OpenMesh/Core/Geometry/VectorT.hh
+++ b/src/OpenMesh/Core/Geometry/VectorT.hh
@@ -251,7 +251,7 @@ VectorT<double,3>::operator%(const VectorT<double,3>& _rhs) const
 /// \relates OpenMesh::VectorT
 /// scalar * vector
 template<typename Scalar1, typename Scalar2,int N>
-inline VectorT<Scalar1,N> operator*(Scalar2 _s, const VectorT<Scalar1,N> _v) {
+inline VectorT<Scalar1,N> operator*(Scalar2 _s, const VectorT<Scalar1,N>& _v) {
   return _v*_s;
 }