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scalar_multiplication.hpp
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1
42 #pragma once
43
44 #include "../detail/setup.hpp"
45
46 #if !GLM_HAS_TEMPLATE_ALIASES
47 # error "GLM_GTX_scalar_multiplication requires C++11 suppport or alias templates"
48 #endif
49
50 #include "../vec2.hpp"
51 #include "../vec3.hpp"
52 #include "../vec4.hpp"
53 #include "../mat2x2.hpp"
54 #include <type_traits>
55
56 namespace glm
57 {
58 template <typename T, typename Vec>
59 using return_type_scalar_multiplication = typename std::enable_if<
60 !std::is_same<T, float>::value // T may not be a float
61 && std::is_arithmetic<T>::value, Vec // But it may be an int or double (no vec3 or mat3, ...)
62 >::type;
63
64 #define GLM_IMPLEMENT_SCAL_MULT(Vec) \
65 template <typename T> \
66 return_type_scalar_multiplication<T, Vec> \
67 operator*(T const & s, Vec rh){ \
68 return rh *= static_cast<float>(s); \
69 } \
70 \
71 template <typename T> \
72 return_type_scalar_multiplication<T, Vec> \
73 operator*(Vec lh, T const & s){ \
74 return lh *= static_cast<float>(s); \
75 } \
76 \
77 template <typename T> \
78 return_type_scalar_multiplication<T, Vec> \
79 operator/(Vec lh, T const & s){ \
80 return lh *= 1.0f / s; \
81 }
82
83 GLM_IMPLEMENT_SCAL_MULT(vec2)
84 GLM_IMPLEMENT_SCAL_MULT(vec3)
85 GLM_IMPLEMENT_SCAL_MULT(vec4)
86
87 GLM_IMPLEMENT_SCAL_MULT(mat2)
88 GLM_IMPLEMENT_SCAL_MULT(mat2x3)
89 GLM_IMPLEMENT_SCAL_MULT(mat2x4)
90 GLM_IMPLEMENT_SCAL_MULT(mat3x2)
91 GLM_IMPLEMENT_SCAL_MULT(mat3)
92 GLM_IMPLEMENT_SCAL_MULT(mat3x4)
93 GLM_IMPLEMENT_SCAL_MULT(mat4x2)
94 GLM_IMPLEMENT_SCAL_MULT(mat4x3)
95 GLM_IMPLEMENT_SCAL_MULT(mat4)
96
97 #undef GLM_IMPLEMENT_SCAL_MULT
98 } // namespace glm
glm::vec4
highp_vec4 vec4
4 components vector of floating-point numbers.
Definition: type_vec.hpp:402
glm::mat3x4
highp_mat3x4 mat3x4
3 columns of 4 components matrix of floating-point numbers.
Definition: type_mat.hpp:410
glm::mat3
mat3x3 mat3
3 columns of 3 components matrix of floating-point numbers.
Definition: type_mat.hpp:437
glm::mat3x2
highp_mat3x2 mat3x2
3 columns of 2 components matrix of floating-point numbers.
Definition: type_mat.hpp:400
glm::mat4
mat4x4 mat4
4 columns of 4 components matrix of floating-point numbers.
Definition: type_mat.hpp:442
glm::mat2
mat2x2 mat2
2 columns of 2 components matrix of floating-point numbers.
Definition: type_mat.hpp:432
glm::mat4x3
highp_mat4x3 mat4x3
4 columns of 3 components matrix of floating-point numbers.
Definition: type_mat.hpp:420
glm
Definition: _noise.hpp:39
glm::mat2x4
highp_mat2x4 mat2x4
2 columns of 4 components matrix of floating-point numbers.
Definition: type_mat.hpp:395
glm::vec3
highp_vec3 vec3
3 components vector of floating-point numbers.
Definition: type_vec.hpp:397
glm::vec2
highp_vec2 vec2
2 components vector of floating-point numbers.
Definition: type_vec.hpp:392
glm::mat2x3
highp_mat2x3 mat2x3
2 columns of 3 components matrix of floating-point numbers.
Definition: type_mat.hpp:390
glm::mat4x2
highp_mat4x2 mat4x2
4 columns of 2 components matrix of floating-point numbers.
Definition: type_mat.hpp:415