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type_half.hpp
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00001 00002 00003 00004 00005 00006 00007 00008 00009 00010 00011 00012 00013 00014 00015 00016 00017 00018 00019 00020 00021 00022 00023 00024 00025 00026 00027 00028 00029 #ifndef glm_core_type_half 00030 #define glm_core_type_half 00031 00032 #include <cstdlib> 00033 00034 namespace glm{ 00035 namespace detail 00036 { 00037 typedef short hdata; 00038 00039 float toFloat32(hdata value); 00040 hdata toFloat16(float const & value); 00041 00044 class thalf 00045 { 00046 public: 00047 // Constructors 00048 GLM_FUNC_DECL thalf(); 00049 GLM_FUNC_DECL thalf(thalf const & s); 00050 00051 template <typename U> 00052 GLM_FUNC_DECL explicit thalf(U const & s); 00053 00054 // Cast 00055 template <typename U> 00056 GLM_FUNC_DECL operator U() const; 00057 00058 // Unary updatable operators 00059 GLM_FUNC_DECL thalf& operator= (thalf const & s); 00060 GLM_FUNC_DECL thalf& operator+=(thalf const & s); 00061 GLM_FUNC_DECL thalf& operator-=(thalf const & s); 00062 GLM_FUNC_DECL thalf& operator*=(thalf const & s); 00063 GLM_FUNC_DECL thalf& operator/=(thalf const & s); 00064 GLM_FUNC_DECL thalf& operator++(); 00065 GLM_FUNC_DECL thalf& operator--(); 00066 00067 GLM_FUNC_DECL float toFloat() const{return toFloat32(data);} 00068 00069 GLM_FUNC_DECL hdata _data() const{return data;} 00070 00071 private: 00072 hdata data; 00073 }; 00074 00075 thalf operator+ (thalf const & s1, thalf const & s2); 00076 00077 thalf operator- (thalf const & s1, thalf const & s2); 00078 00079 thalf operator* (thalf const & s1, thalf const & s2); 00080 00081 thalf operator/ (thalf const & s1, thalf const & s2); 00082 00083 // Unary constant operators 00084 thalf operator- (thalf const & s); 00085 00086 thalf operator-- (thalf const & s, int); 00087 00088 thalf operator++ (thalf const & s, int); 00089 00090 bool operator==( 00091 detail::thalf const & x, 00092 detail::thalf const & y); 00093 00094 bool operator!=( 00095 detail::thalf const & x, 00096 detail::thalf const & y); 00097 00098 bool operator<( 00099 detail::thalf const & x, 00100 detail::thalf const & y); 00101 00102 bool operator<=( 00103 detail::thalf const & x, 00104 detail::thalf const & y); 00105 00106 bool operator>( 00107 detail::thalf const & x, 00108 detail::thalf const & y); 00109 00110 bool operator>=( 00111 detail::thalf const & x, 00112 detail::thalf const & y); 00113 00114 }//namespace detail 00115 }//namespace glm 00116 00117 #include "type_half.inl" 00118 00119 #endif//glm_core_type_half
