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scalar_multiplication.hpp
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1
15 #pragma once
16
17 #include "../detail/setup.hpp"
18
19 #ifndef GLM_ENABLE_EXPERIMENTAL
20 # error "GLM: GLM_GTX_scalar_multiplication is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it."
21 #endif
22
23 #if !GLM_HAS_TEMPLATE_ALIASES && !(GLM_COMPILER & GLM_COMPILER_GCC)
24 # error "GLM_GTX_scalar_multiplication requires C++11 support or alias templates and if not support for GCC"
25 #endif
26
27 #include "../vec2.hpp"
28 #include "../vec3.hpp"
29 #include "../vec4.hpp"
30 #include "../mat2x2.hpp"
31 #include <type_traits>
32
33 namespace glm
34 {
35 template<typename T, typename Vec>
36 using return_type_scalar_multiplication = typename std::enable_if<
37 !std::is_same<T, float>::value // T may not be a float
38 && std::is_arithmetic<T>::value, Vec // But it may be an int or double (no vec3 or mat3, ...)
39 >::type;
40
41 #define GLM_IMPLEMENT_SCAL_MULT(Vec) \
42 template<typename T> \
43 return_type_scalar_multiplication<T, Vec> \
44 operator*(T const& s, Vec rh){ \
45 return rh *= static_cast<float>(s); \
46 } \
47 \
48 template<typename T> \
49 return_type_scalar_multiplication<T, Vec> \
50 operator*(Vec lh, T const& s){ \
51 return lh *= static_cast<float>(s); \
52 } \
53 \
54 template<typename T> \
55 return_type_scalar_multiplication<T, Vec> \
56 operator/(Vec lh, T const& s){ \
57 return lh *= 1.0f / s; \
58 }
59
60 GLM_IMPLEMENT_SCAL_MULT(vec2)
61 GLM_IMPLEMENT_SCAL_MULT(vec3)
62 GLM_IMPLEMENT_SCAL_MULT(vec4)
63
64 GLM_IMPLEMENT_SCAL_MULT(mat2)
65 GLM_IMPLEMENT_SCAL_MULT(mat2x3)
66 GLM_IMPLEMENT_SCAL_MULT(mat2x4)
67 GLM_IMPLEMENT_SCAL_MULT(mat3x2)
68 GLM_IMPLEMENT_SCAL_MULT(mat3)
69 GLM_IMPLEMENT_SCAL_MULT(mat3x4)
70 GLM_IMPLEMENT_SCAL_MULT(mat4x2)
71 GLM_IMPLEMENT_SCAL_MULT(mat4x3)
72 GLM_IMPLEMENT_SCAL_MULT(mat4)
73
74 #undef GLM_IMPLEMENT_SCAL_MULT
75 } // namespace glm
glm::vec2
highp_vec2 vec2
2 components vector of floating-point numbers.
Definition: type_vec.hpp:440
glm::mat3
mat3x3 mat3
3 columns of 3 components matrix of floating-point numbers.
Definition: type_mat.hpp:410
glm::mat4x3
highp_mat4x3 mat4x3
4 columns of 3 components matrix of floating-point numbers.
Definition: type_mat.hpp:393
glm
Definition: common.hpp:20
glm::mat2x3
highp_mat2x3 mat2x3
2 columns of 3 components matrix of floating-point numbers.
Definition: type_mat.hpp:363
glm::vec4
highp_vec4 vec4
4 components vector of floating-point numbers.
Definition: type_vec.hpp:450
glm::mat4x2
highp_mat4x2 mat4x2
4 columns of 2 components matrix of floating-point numbers.
Definition: type_mat.hpp:388
glm::mat2
mat2x2 mat2
2 columns of 2 components matrix of floating-point numbers.
Definition: type_mat.hpp:405
glm::vec3
highp_vec3 vec3
3 components vector of floating-point numbers.
Definition: type_vec.hpp:445
glm::mat4
mat4x4 mat4
4 columns of 4 components matrix of floating-point numbers.
Definition: type_mat.hpp:415
glm::mat3x2
highp_mat3x2 mat3x2
3 columns of 2 components matrix of floating-point numbers.
Definition: type_mat.hpp:373
glm::mat2x4
highp_mat2x4 mat2x4
2 columns of 4 components matrix of floating-point numbers.
Definition: type_mat.hpp:368
glm::mat3x4
highp_mat3x4 mat3x4
3 columns of 4 components matrix of floating-point numbers.
Definition: type_mat.hpp:383