CS计算机代考程序代写 compiler ///////////////////////////////////////////////////////////////////////////////////

///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
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/// @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

namespace glm
{
template
using return_type_scalar_multiplication = typename std::enable_if< !std::is_same::value // T may not be a float
&& std::is_arithmetic::value, Vec // But it may be an int or double (no vec3 or mat3, …)
>::type;

#define GLM_IMPLEMENT_SCAL_MULT(Vec) \
template \
return_type_scalar_multiplication \
operator*(T const & s, Vec rh){ \
return rh *= static_cast(s); \
} \
\
template \
return_type_scalar_multiplication \
operator*(Vec lh, T const & s){ \
return lh *= static_cast(s); \
} \
\
template \
return_type_scalar_multiplication \
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