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scalar_multiplication.hpp
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1
13 #pragma once
14
15 #include "../detail/setup.hpp"
16
17 #ifndef GLM_ENABLE_EXPERIMENTAL
18 # error "GLM: GLM_GTX_scalar_multiplication is an experimetal extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it."
19 #endif
20
21 #if !GLM_HAS_TEMPLATE_ALIASES && !(GLM_COMPILER & GLM_COMPILER_GCC)
22 # error "GLM_GTX_scalar_multiplication requires C++11 support or alias templates and if not support for GCC"
23 #endif
24
25 #include "../vec2.hpp"
26 #include "../vec3.hpp"
27 #include "../vec4.hpp"
28 #include "../mat2x2.hpp"
29 #include <type_traits>
30
31 namespace glm
32 {
33 template <typename T, typename Vec>
34 using return_type_scalar_multiplication = typename std::enable_if<
35 !std::is_same<T, float>::value // T may not be a float
36 && std::is_arithmetic<T>::value, Vec // But it may be an int or double (no vec3 or mat3, ...)
37 >::type;
38
39 #define GLM_IMPLEMENT_SCAL_MULT(Vec) \
40 template <typename T> \
41 return_type_scalar_multiplication<T, Vec> \
42 operator*(T const & s, Vec rh){ \
43 return rh *= static_cast<float>(s); \
44 } \
45 \
46 template <typename T> \
47 return_type_scalar_multiplication<T, Vec> \
48 operator*(Vec lh, T const & s){ \
49 return lh *= static_cast<float>(s); \
50 } \
51 \
52 template <typename T> \
53 return_type_scalar_multiplication<T, Vec> \
54 operator/(Vec lh, T const & s){ \
55 return lh *= 1.0f / s; \
56 }
57
58 GLM_IMPLEMENT_SCAL_MULT(vec2)
59 GLM_IMPLEMENT_SCAL_MULT(vec3)
60 GLM_IMPLEMENT_SCAL_MULT(vec4)
61
62 GLM_IMPLEMENT_SCAL_MULT(mat2)
63 GLM_IMPLEMENT_SCAL_MULT(mat2x3)
64 GLM_IMPLEMENT_SCAL_MULT(mat2x4)
65 GLM_IMPLEMENT_SCAL_MULT(mat3x2)
66 GLM_IMPLEMENT_SCAL_MULT(mat3)
67 GLM_IMPLEMENT_SCAL_MULT(mat3x4)
68 GLM_IMPLEMENT_SCAL_MULT(mat4x2)
69 GLM_IMPLEMENT_SCAL_MULT(mat4x3)
70 GLM_IMPLEMENT_SCAL_MULT(mat4)
71
72 #undef GLM_IMPLEMENT_SCAL_MULT
73 } // namespace glm
glm::mat3
mat3x3 mat3
3 columns of 3 components matrix of floating-point numbers.
Definition: type_mat.hpp:411
glm::mat4x2
highp_mat4x2 mat4x2
4 columns of 2 components matrix of floating-point numbers.
Definition: type_mat.hpp:389
glm::mat2x4
highp_mat2x4 mat2x4
2 columns of 4 components matrix of floating-point numbers.
Definition: type_mat.hpp:369
glm::vec3
highp_vec3 vec3
3 components vector of floating-point numbers.
Definition: type_vec.hpp:459
glm::mat2x3
highp_mat2x3 mat2x3
2 columns of 3 components matrix of floating-point numbers.
Definition: type_mat.hpp:364
glm::vec2
highp_vec2 vec2
2 components vector of floating-point numbers.
Definition: type_vec.hpp:454
glm::mat4x3
highp_mat4x3 mat4x3
4 columns of 3 components matrix of floating-point numbers.
Definition: type_mat.hpp:394
glm::mat4
mat4x4 mat4
4 columns of 4 components matrix of floating-point numbers.
Definition: type_mat.hpp:416
glm
Definition: _noise.hpp:11
glm::mat2
mat2x2 mat2
2 columns of 2 components matrix of floating-point numbers.
Definition: type_mat.hpp:406
glm::vec4
highp_vec4 vec4
4 components vector of floating-point numbers.
Definition: type_vec.hpp:464
glm::mat3x2
highp_mat3x2 mat3x2
3 columns of 2 components matrix of floating-point numbers.
Definition: type_mat.hpp:374
glm::mat3x4
highp_mat3x4 mat3x4
3 columns of 4 components matrix of floating-point numbers.
Definition: type_mat.hpp:384