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type_half.hpp
00001 00002 // OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net) 00004 // Created : 2008-08-17 00005 // Updated : 2010-02-17 00006 // Licence : This source is under MIT License 00007 // File : glm/core/type_half.hpp 00009 00010 #ifndef glm_core_type_half 00011 #define glm_core_type_half 00012 00013 #include <cstdlib> 00014 00015 namespace glm 00016 { 00017 namespace test 00018 { 00019 bool main_type_half(); 00020 00021 }//namespace test 00022 00023 namespace detail 00024 { 00025 typedef short hdata; 00026 00027 float toFloat32(hdata value); 00028 hdata toFloat16(float const & value); 00029 00032 class thalf 00033 { 00034 public: 00035 // Constructors 00036 GLM_FUNC_DECL thalf(); 00037 GLM_FUNC_DECL thalf(thalf const & s); 00038 00039 template <typename U> 00040 GLM_FUNC_DECL explicit thalf(U const & s); 00041 00042 // Cast 00043 //operator float(); 00044 GLM_FUNC_DECL operator float() const; 00045 //operator double(); 00046 //operator double() const; 00047 00048 // Unary updatable operators 00049 GLM_FUNC_DECL thalf& operator= (thalf const & s); 00050 GLM_FUNC_DECL thalf& operator+=(thalf const & s); 00051 GLM_FUNC_DECL thalf& operator-=(thalf const & s); 00052 GLM_FUNC_DECL thalf& operator*=(thalf const & s); 00053 GLM_FUNC_DECL thalf& operator/=(thalf const & s); 00054 GLM_FUNC_DECL thalf& operator++(); 00055 GLM_FUNC_DECL thalf& operator--(); 00056 00057 GLM_FUNC_DECL float toFloat() const{return toFloat32(data);} 00058 00059 GLM_FUNC_DECL hdata _data() const{return data;} 00060 00061 private: 00062 hdata data; 00063 }; 00064 00065 thalf operator+ (thalf const & s1, thalf const & s2); 00066 00067 thalf operator- (thalf const & s1, thalf const & s2); 00068 00069 thalf operator* (thalf const & s1, thalf const & s2); 00070 00071 thalf operator/ (thalf const & s1, thalf const & s2); 00072 00073 // Unary constant operators 00074 thalf operator- (thalf const & s); 00075 00076 thalf operator-- (thalf const & s, int); 00077 00078 thalf operator++ (thalf const & s, int); 00079 00080 }//namespace detail 00081 00082 00083 }//namespace glm 00084 00085 #include "type_half.inl" 00086 00087 #endif//glm_core_type_half
