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scalar_multiplication.hpp
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1
18 #pragma once
19
20 #include "../detail/setup.hpp"
21
22 #ifndef GLM_ENABLE_EXPERIMENTAL
23 # 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."
24 #elif GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
25 # pragma message("GLM: GLM_GTX_scalar_multiplication extension included")
26 #endif
27
28 #include "../vec2.hpp"
29 #include "../vec3.hpp"
30 #include "../vec4.hpp"
31 #include "../mat2x2.hpp"
32 #include <type_traits>
33
34 namespace glm
35 {
38
39 template<typename T, typename Vec>
40 using return_type_scalar_multiplication = typename std::enable_if<
41 !std::is_same<T, float>::value // T may not be a float
42 && std::is_arithmetic<T>::value, Vec // But it may be an int or double (no vec3 or mat3, ...)
43 >::type;
44
45 #define GLM_IMPLEMENT_SCAL_MULT(Vec) \
46 template<typename T> \
47 return_type_scalar_multiplication<T, Vec> \
48 operator*(T const& s, Vec rh){ \
49 return rh *= 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 *= static_cast<float>(s); \
56 } \
57 \
58 template<typename T> \
59 return_type_scalar_multiplication<T, Vec> \
60 operator/(Vec lh, T const& s){ \
61 return lh *= 1.0f / static_cast<float>(s); \
62 }
63
64 GLM_IMPLEMENT_SCAL_MULT(vec2)
65 GLM_IMPLEMENT_SCAL_MULT(vec3)
66 GLM_IMPLEMENT_SCAL_MULT(vec4)
67
68 GLM_IMPLEMENT_SCAL_MULT(mat2)
69 GLM_IMPLEMENT_SCAL_MULT(mat2x3)
70 GLM_IMPLEMENT_SCAL_MULT(mat2x4)
71 GLM_IMPLEMENT_SCAL_MULT(mat3x2)
72 GLM_IMPLEMENT_SCAL_MULT(mat3)
73 GLM_IMPLEMENT_SCAL_MULT(mat3x4)
74 GLM_IMPLEMENT_SCAL_MULT(mat4x2)
75 GLM_IMPLEMENT_SCAL_MULT(mat4x3)
76 GLM_IMPLEMENT_SCAL_MULT(mat4)
77
78 #undef GLM_IMPLEMENT_SCAL_MULT
79 } // namespace glm
glm::mat3
mat< 3, 3, float, defaultp > mat3
3 columns of 3 components matrix of single-precision floating-point numbers.
Definition: matrix_float3x3.hpp:20
glm::mat4x3
mat< 4, 3, float, defaultp > mat4x3
4 columns of 3 components matrix of single-precision floating-point numbers.
Definition: matrix_float4x3.hpp:15
glm::mat3x2
mat< 3, 2, float, defaultp > mat3x2
3 columns of 2 components matrix of single-precision floating-point numbers.
Definition: matrix_float3x2.hpp:15
glm::mat2x4
mat< 2, 4, float, defaultp > mat2x4
2 columns of 4 components matrix of single-precision floating-point numbers.
Definition: matrix_float2x4.hpp:15
glm::mat2x3
mat< 2, 3, float, defaultp > mat2x3
2 columns of 3 components matrix of single-precision floating-point numbers.
Definition: matrix_float2x3.hpp:15
glm::mat4
mat< 4, 4, float, defaultp > mat4
4 columns of 4 components matrix of single-precision floating-point numbers.
Definition: matrix_float4x4.hpp:20
glm::vec2
vec< 2, float, defaultp > vec2
2 components vector of single-precision floating-point numbers.
Definition: vector_float2.hpp:15
glm::mat3x4
mat< 3, 4, float, defaultp > mat3x4
3 columns of 4 components matrix of single-precision floating-point numbers.
Definition: matrix_float3x4.hpp:15
glm::mat4x2
mat< 4, 2, float, defaultp > mat4x2
4 columns of 2 components matrix of single-precision floating-point numbers.
Definition: matrix_float4x2.hpp:15
glm::mat2
mat< 2, 2, float, defaultp > mat2
2 columns of 2 components matrix of single-precision floating-point numbers.
Definition: matrix_float2x2.hpp:20
glm::vec3
vec< 3, float, defaultp > vec3
3 components vector of single-precision floating-point numbers.
Definition: vector_float3.hpp:15
glm::vec4
vec< 4, float, defaultp > vec4
4 components vector of single-precision floating-point numbers.
Definition: vector_float4.hpp:15