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Diffstat (limited to '3rdparty/include/glm/gtx/scalar_multiplication.hpp')
| -rw-r--r-- | 3rdparty/include/glm/gtx/scalar_multiplication.hpp | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/3rdparty/include/glm/gtx/scalar_multiplication.hpp b/3rdparty/include/glm/gtx/scalar_multiplication.hpp new file mode 100644 index 0000000..5f6c4d9 --- /dev/null +++ b/3rdparty/include/glm/gtx/scalar_multiplication.hpp @@ -0,0 +1,98 @@ +/////////////////////////////////////////////////////////////////////////////////// +/// OpenGL Mathematics (glm.g-truc.net) +/// +/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net) +/// Permission is hereby granted, free of charge, to any person obtaining a copy +/// of this software and associated documentation files (the "Software"), to deal +/// in the Software without restriction, including without limitation the rights +/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +/// copies of the Software, and to permit persons to whom the Software is +/// furnished to do so, subject to the following conditions: +/// +/// The above copyright notice and this permission notice shall be included in +/// all copies or substantial portions of the Software. +/// +/// Restrictions: +/// By making use of the Software for military purposes, you choose to make +/// a Bunny unhappy. +/// +/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +/// THE SOFTWARE. +/// +/// @ref gtx +/// @file glm/gtx/scalar_multiplication.hpp +/// @date 2014-09-22 / 2014-09-22 +/// @author Joshua Moerman +/// +/// @brief Enables scalar multiplication for all types +/// +/// Since GLSL is very strict about types, the following (often used) combinations do not work: +/// double * vec4 +/// int * vec4 +/// vec4 / int +/// So we'll fix that! Of course "float * vec4" should remain the same (hence the enable_if magic) +/// +/////////////////////////////////////////////////////////////////////////////////// + +#pragma once + +#include "../detail/setup.hpp" + +#if !GLM_HAS_TEMPLATE_ALIASES && !(GLM_COMPILER & GLM_COMPILER_GCC) +# error "GLM_GTX_scalar_multiplication requires C++11 suppport or alias templates and if not support for GCC" +#endif + +#include "../vec2.hpp" +#include "../vec3.hpp" +#include "../vec4.hpp" +#include "../mat2x2.hpp" +#include <type_traits> + +namespace glm +{ + template <typename T, typename Vec> + using return_type_scalar_multiplication = typename std::enable_if< + !std::is_same<T, float>::value // T may not be a float + && std::is_arithmetic<T>::value, Vec // But it may be an int or double (no vec3 or mat3, ...) + >::type; + +#define GLM_IMPLEMENT_SCAL_MULT(Vec) \ + template <typename T> \ + return_type_scalar_multiplication<T, Vec> \ + operator*(T const & s, Vec rh){ \ + return rh *= static_cast<float>(s); \ + } \ + \ + template <typename T> \ + return_type_scalar_multiplication<T, Vec> \ + operator*(Vec lh, T const & s){ \ + return lh *= static_cast<float>(s); \ + } \ + \ + template <typename T> \ + return_type_scalar_multiplication<T, Vec> \ + operator/(Vec lh, T const & s){ \ + return lh *= 1.0f / s; \ + } + +GLM_IMPLEMENT_SCAL_MULT(vec2) +GLM_IMPLEMENT_SCAL_MULT(vec3) +GLM_IMPLEMENT_SCAL_MULT(vec4) + +GLM_IMPLEMENT_SCAL_MULT(mat2) +GLM_IMPLEMENT_SCAL_MULT(mat2x3) +GLM_IMPLEMENT_SCAL_MULT(mat2x4) +GLM_IMPLEMENT_SCAL_MULT(mat3x2) +GLM_IMPLEMENT_SCAL_MULT(mat3) +GLM_IMPLEMENT_SCAL_MULT(mat3x4) +GLM_IMPLEMENT_SCAL_MULT(mat4x2) +GLM_IMPLEMENT_SCAL_MULT(mat4x3) +GLM_IMPLEMENT_SCAL_MULT(mat4) + +#undef GLM_IMPLEMENT_SCAL_MULT +} // namespace glm |