0.9.8
scalar_multiplication.hpp
Go to the documentation of this file.
1 
13 #pragma once
14 
15 #include "../detail/setup.hpp"
16 
17 #if !GLM_HAS_TEMPLATE_ALIASES && !(GLM_COMPILER & GLM_COMPILER_GCC)
18 # error "GLM_GTX_scalar_multiplication requires C++11 support or alias templates and if not support for GCC"
19 #endif
20 
21 #include "../vec2.hpp"
22 #include "../vec3.hpp"
23 #include "../vec4.hpp"
24 #include "../mat2x2.hpp"
25 #include <type_traits>
26 
27 namespace glm
28 {
29  template <typename T, typename Vec>
30  using return_type_scalar_multiplication = typename std::enable_if<
31  !std::is_same<T, float>::value // T may not be a float
32  && std::is_arithmetic<T>::value, Vec // But it may be an int or double (no vec3 or mat3, ...)
33  >::type;
34 
35 #define GLM_IMPLEMENT_SCAL_MULT(Vec) \
36  template <typename T> \
37  return_type_scalar_multiplication<T, Vec> \
38  operator*(T const & s, Vec rh){ \
39  return rh *= static_cast<float>(s); \
40  } \
41  \
42  template <typename T> \
43  return_type_scalar_multiplication<T, Vec> \
44  operator*(Vec lh, T const & s){ \
45  return lh *= 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 *= 1.0f / s; \
52  }
53 
54 GLM_IMPLEMENT_SCAL_MULT(vec2)
55 GLM_IMPLEMENT_SCAL_MULT(vec3)
56 GLM_IMPLEMENT_SCAL_MULT(vec4)
57 
58 GLM_IMPLEMENT_SCAL_MULT(mat2)
59 GLM_IMPLEMENT_SCAL_MULT(mat2x3)
60 GLM_IMPLEMENT_SCAL_MULT(mat2x4)
61 GLM_IMPLEMENT_SCAL_MULT(mat3x2)
62 GLM_IMPLEMENT_SCAL_MULT(mat3)
63 GLM_IMPLEMENT_SCAL_MULT(mat3x4)
64 GLM_IMPLEMENT_SCAL_MULT(mat4x2)
65 GLM_IMPLEMENT_SCAL_MULT(mat4x3)
66 GLM_IMPLEMENT_SCAL_MULT(mat4)
67 
68 #undef GLM_IMPLEMENT_SCAL_MULT
69 } // namespace glm
highp_mat2x4 mat2x4
2 columns of 4 components matrix of floating-point numbers.
Definition: type_mat.hpp:369
mat2x2 mat2
2 columns of 2 components matrix of floating-point numbers.
Definition: type_mat.hpp:406
highp_mat2x3 mat2x3
2 columns of 3 components matrix of floating-point numbers.
Definition: type_mat.hpp:364
highp_vec4 vec4
4 components vector of floating-point numbers.
Definition: type_vec.hpp:466
highp_mat3x2 mat3x2
3 columns of 2 components matrix of floating-point numbers.
Definition: type_mat.hpp:374
highp_mat3x4 mat3x4
3 columns of 4 components matrix of floating-point numbers.
Definition: type_mat.hpp:384
mat3x3 mat3
3 columns of 3 components matrix of floating-point numbers.
Definition: type_mat.hpp:411
Definition: _noise.hpp:11
mat4x4 mat4
4 columns of 4 components matrix of floating-point numbers.
Definition: type_mat.hpp:416
highp_mat4x2 mat4x2
4 columns of 2 components matrix of floating-point numbers.
Definition: type_mat.hpp:389
highp_vec3 vec3
3 components vector of floating-point numbers.
Definition: type_vec.hpp:461
highp_vec2 vec2
2 components vector of floating-point numbers.
Definition: type_vec.hpp:456
highp_mat4x3 mat4x3
4 columns of 3 components matrix of floating-point numbers.
Definition: type_mat.hpp:394