From 3b5e650af5b61a6b7ad8e2010e7c0d3e5d441fe0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Sun, 5 Jul 2015 16:08:37 +0200
Subject: [PATCH] Math: fix compilation of tests under libc++.

std::forward() is not constexpr in C++11.
---
 src/Magnum/Math/Test/MatrixTest.cpp            | 4 ++--
 src/Magnum/Math/Test/RangeTest.cpp             | 2 +-
 src/Magnum/Math/Test/RectangularMatrixTest.cpp | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/Magnum/Math/Test/MatrixTest.cpp b/src/Magnum/Math/Test/MatrixTest.cpp
index 15ee81c82..80bbd64b3 100644
--- a/src/Magnum/Math/Test/MatrixTest.cpp
+++ b/src/Magnum/Math/Test/MatrixTest.cpp
@@ -294,12 +294,12 @@ void MatrixTest::invertedOrthogonal() {
 
 template<class T> class BasicVec2: public Math::Vector<2, T> {
     public:
-        template<class ...U> constexpr BasicVec2(U&&... args): Math::Vector<2, T>{std::forward<U>(args)...} {}
+        template<class ...U> constexpr BasicVec2(U&&... args): Math::Vector<2, T>{args...} {}
 };
 
 template<class T> class BasicMat2: public Math::Matrix<2, T> {
     public:
-        template<class ...U> constexpr BasicMat2(U&&... args): Math::Matrix<2, T>{std::forward<U>(args)...} {}
+        template<class ...U> constexpr BasicMat2(U&&... args): Math::Matrix<2, T>{args...} {}
 
         MAGNUM_MATRIX_SUBCLASS_IMPLEMENTATION(2, BasicMat2, BasicVec2)
 };
diff --git a/src/Magnum/Math/Test/RangeTest.cpp b/src/Magnum/Math/Test/RangeTest.cpp
index 0793732b3..a8d972acb 100644
--- a/src/Magnum/Math/Test/RangeTest.cpp
+++ b/src/Magnum/Math/Test/RangeTest.cpp
@@ -448,7 +448,7 @@ void RangeTest::scaled() {
 
 template<class T> class BasicRect: public Math::Range<2, T> {
     public:
-        template<class ...U> BasicRect(U&&... args): Math::Range<2, T>{std::forward<U>(args)...} {}
+        template<class ...U> constexpr BasicRect(U&&... args): Math::Range<2, T>{args...} {}
 
         MAGNUM_RANGE_SUBCLASS_IMPLEMENTATION(2, BasicRect, Vector2)
 };
diff --git a/src/Magnum/Math/Test/RectangularMatrixTest.cpp b/src/Magnum/Math/Test/RectangularMatrixTest.cpp
index 23c1f2d73..6b9436176 100644
--- a/src/Magnum/Math/Test/RectangularMatrixTest.cpp
+++ b/src/Magnum/Math/Test/RectangularMatrixTest.cpp
@@ -438,7 +438,7 @@ void RectangularMatrixTest::vector() {
 
 template<std::size_t size, class T> class BasicMat: public Math::RectangularMatrix<size, size, T> {
     public:
-        template<class ...U> constexpr BasicMat(U&&... args): Math::RectangularMatrix<size, size, T>{std::forward<U>(args)...} {}
+        template<class ...U> constexpr BasicMat(U&&... args): Math::RectangularMatrix<size, size, T>{args...} {}
 
         MAGNUM_RECTANGULARMATRIX_SUBCLASS_IMPLEMENTATION(size, size, BasicMat<size, T>)
 };
@@ -447,7 +447,7 @@ MAGNUM_MATRIX_OPERATOR_IMPLEMENTATION(BasicMat<size, T>)
 
 template<class T> class BasicMat2x2: public BasicMat<2, T> {
     public:
-        template<class ...U> constexpr BasicMat2x2(U&&... args): BasicMat<2, T>{std::forward<U>(args)...} {}
+        template<class ...U> constexpr BasicMat2x2(U&&... args): BasicMat<2, T>{args...} {}
 
         MAGNUM_RECTANGULARMATRIX_SUBCLASS_IMPLEMENTATION(2, 2, BasicMat2x2<T>)
 };