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# half_float.hpp

    00001
    00002 // OpenGL Mathematics Copyright (c) 2005 - 2009 G-Truc Creation (www.g-truc.net)
    00004 // Created : 2009-04-29
    00005 // Updated : 2009-04-29
    00006 // Licence : This source is under MIT License
    00007 // File    : glm/gtc/half_float.hpp
    00009
    00010 #ifndef glm_gtc_half_float
    00011 #define glm_gtc_half_float
    00012
    00013 // Dependency:
    00014 #include "../glm.hpp"
    00015
    00016 namespace glm
    00017 {
    00018         namespace test{
    00019                 bool main_gtc_half_float();
    00020         }//namespace test
    00021
    00022         namespace detail
    00023         {
    00024 #ifndef GLM_USE_ANONYMOUS_UNION
    00025                 template <>
    00026                 struct tvec2<thalf>
    00027                 {
    00029                         // Typedef (Implementation details)
    00030
    00031                         typedef thalf value_type;
    00032                         typedef thalf& value_reference;
    00033                         typedef thalf* value_pointer;
    00034                         typedef tvec2<bool> bool_type;
    00035
    00036                         typedef sizeType size_type;
    00037                         static size_type value_size();
    00038                         static bool is_vector();
    00039
    00040                         typedef tvec2<thalf> type;
    00041                         typedef tvec2<thalf>* pointer;
    00042                         typedef const tvec2<thalf>* const_pointer;
    00043                         typedef const tvec2<thalf>*const const_pointer_const;
    00044                         typedef tvec2<thalf>*const pointer_const;
    00045                         typedef tvec2<thalf>& reference;
    00046                         typedef const tvec2<thalf>& const_reference;
    00047                         typedef const tvec2<thalf>& param_type;
    00048
    00050                         // Data
    00051
    00052                         thalf x, y;
    00053
    00055                         // Accesses
    00056
    00057                         thalf& operator[](size_type i);
    00058                         thalf operator[](size_type i) const;
    00059
    00061                         // Address (Implementation details)
    00062
    00063                         thalf const * const _address() const{return (value_type*)(this);}
    00064                         thalf * _address(){return (value_type*)(this);}
    00065
    00067                         // Implicit basic constructors
    00068
    00069                         tvec2();
    00070                         tvec2(tvec2<thalf> const & v);
    00071
    00073                         // Explicit basic constructors
    00074
    00075                         explicit tvec2(thalf s);
    00076                         explicit tvec2(thalf s1, thalf s2);
    00077
    00079                         // Swizzle constructors
    00080
    00081                         tvec2(tref2<thalf> const & r);
    00082
    00084                         // Convertion scalar constructors
    00085
    00087                         template <typename U>
    00088                         explicit tvec2(U x);
    00090                         template <typename U, typename V>
    00091                         explicit tvec2(U x, V y);
    00092
    00094                         // Convertion vector constructors
    00095
    00097                         template <typename U>
    00098                         explicit tvec2(tvec2<U> const & v);
    00100                         template <typename U>
    00101                         explicit tvec2(tvec3<U> const & v);
    00103                         template <typename U>
    00104                         explicit tvec2(tvec4<U> const & v);
    00105
    00107                         // Unary arithmetic operators
    00108
    00109                         tvec2<thalf>& operator= (tvec2<thalf> const & v);
    00110
    00111                         tvec2<thalf>& operator+=(thalf s);
    00112                         tvec2<thalf>& operator+=(tvec2<thalf> const & v);
    00113                         tvec2<thalf>& operator-=(thalf s);
    00114                         tvec2<thalf>& operator-=(tvec2<thalf> const & v);
    00115                         tvec2<thalf>& operator*=(thalf s);
    00116                         tvec2<thalf>& operator*=(tvec2<thalf> const & v);
    00117                         tvec2<thalf>& operator/=(thalf s);
    00118                         tvec2<thalf>& operator/=(tvec2<thalf> const & v);
    00119                         tvec2<thalf>& operator++();
    00120                         tvec2<thalf>& operator--();
    00121
    00123                         // Swizzle operators
    00124
    00125                         thalf swizzle(comp X) const;
    00126                         tvec2<thalf> swizzle(comp X, comp Y) const;
    00127                         tvec3<thalf> swizzle(comp X, comp Y, comp Z) const;
    00128                         tvec4<thalf> swizzle(comp X, comp Y, comp Z, comp W) const;
    00129                         tref2<thalf> swizzle(comp X, comp Y);
    00130                 };
    00131
    00132                 template <>
    00133                 struct tvec3<thalf>
    00134                 {
    00136                         // Typedef (Implementation details)
    00137
    00138                         typedef thalf value_type;
    00139                         typedef thalf& value_reference;
    00140                         typedef thalf* value_pointer;
    00141                         typedef tvec3<bool> bool_type;
    00142
    00143                         typedef glm::sizeType size_type;
    00144                         static size_type value_size();
    00145                         static bool is_vector();
    00146
    00147                         typedef tvec3<thalf> type;
    00148                         typedef tvec3<thalf> * pointer;
    00149                         typedef tvec3<thalf> const * const_pointer;
    00150                         typedef tvec3<thalf> const * const const_pointer_const;
    00151                         typedef tvec3<thalf> * const pointer_const;
    00152                         typedef tvec3<thalf> & reference;
    00153                         typedef tvec3<thalf> const & const_reference;
    00154                         typedef tvec3<thalf> const & param_type;
    00155
    00157                         // Data
    00158
    00159                         thalf x, y, z;
    00160
    00162                         // Accesses
    00163
    00164                         thalf& operator[](size_type i);
    00165                         thalf operator[](size_type i) const;
    00166
    00168                         // Address (Implementation details)
    00169
    00170                         const value_type* _address() const{return (value_type*)(this);}
    00171                         value_type* _address(){return (value_type*)(this);}
    00172
    00174                         // Implicit basic constructors
    00175
    00176                         tvec3();
    00177                         tvec3(tvec3<thalf> const & v);
    00178
    00180                         // Explicit basic constructors
    00181
    00182                         explicit tvec3(thalf s);
    00183                         explicit tvec3(thalf s1, thalf s2, thalf s3);
    00184
    00186                         // Swizzle constructors
    00187
    00188                         tvec3(tref3<thalf> const & r);
    00189
    00191                         // Convertion scalar constructors
    00192
    00194                         template <typename U>
    00195                         explicit tvec3(U x);
    00197                         template <typename U, typename V, typename W>
    00198                         explicit tvec3(U x, V y, W z);
    00199
    00201                         // Convertion vector constructors
    00202
    00204                         template <typename A, typename B>
    00205                         explicit tvec3(const tvec2<A>& v, B s);
    00207                         template <typename A, typename B>
    00208                         explicit tvec3(A s, const tvec2<B>& v);
    00210                         template <typename U>
    00211                         explicit tvec3(tvec3<U> const & v);
    00213                         template <typename U>
    00214                         explicit tvec3(tvec4<U> const & v);
    00215
    00217                         // Unary arithmetic operators
    00218
    00219                         tvec3<thalf>& operator= (tvec3<thalf> const & v);
    00220
    00221                         tvec3<thalf>& operator+=(thalf s);
    00222                         tvec3<thalf>& operator+=(tvec3<thalf> const & v);
    00223                         tvec3<thalf>& operator-=(thalf s);
    00224                         tvec3<thalf>& operator-=(tvec3<thalf> const & v);
    00225                         tvec3<thalf>& operator*=(thalf s);
    00226                         tvec3<thalf>& operator*=(tvec3<thalf> const & v);
    00227                         tvec3<thalf>& operator/=(thalf s);
    00228                         tvec3<thalf>& operator/=(tvec3<thalf> const & v);
    00229                         tvec3<thalf>& operator++();
    00230                         tvec3<thalf>& operator--();
    00231
    00233                         // Swizzle operators
    00234
    00235                         thalf swizzle(comp X) const;
    00236                         tvec2<thalf> swizzle(comp X, comp Y) const;
    00237                         tvec3<thalf> swizzle(comp X, comp Y, comp Z) const;
    00238                         tvec4<thalf> swizzle(comp X, comp Y, comp Z, comp W) const;
    00239                         tref3<thalf> swizzle(comp X, comp Y, comp Z);
    00240                 };
    00241
    00242                 template <>
    00243                 struct tvec4<thalf>
    00244                 {
    00246                         // Typedef (Implementation details)
    00247
    00248                         typedef thalf value_type;
    00249                         typedef thalf& value_reference;
    00250                         typedef thalf* value_pointer;
    00251                         typedef tvec4<bool> bool_type;
    00252
    00253                         typedef glm::sizeType size_type;
    00254                         static size_type value_size();
    00255                         static bool is_vector();
    00256
    00257                         typedef tvec4<thalf> type;
    00258                         typedef tvec4<thalf> * pointer;
    00259                         typedef tvec4<thalf> const * const_pointer;
    00260                         typedef tvec4<thalf> const * const const_pointer_const;
    00261                         typedef tvec4<thalf> * const pointer_const;
    00262                         typedef tvec4<thalf> & reference;
    00263                         typedef tvec4<thalf> const & const_reference;
    00264                         typedef tvec4<thalf> const & param_type;
    00265
    00267                         // Data
    00268
    00269                         thalf x, y, z, w;
    00270
    00272                         // Accesses
    00273
    00274                         thalf& operator[](size_type i);
    00275                         thalf operator[](size_type i) const;
    00276
    00278                         // Address (Implementation details)
    00279
    00280                         const value_type* _address() const{return (value_type*)(this);}
    00281                         value_type* _address(){return (value_type*)(this);}
    00282
    00284                         // Implicit basic constructors
    00285
    00286                         tvec4();
    00287                         tvec4(tvec4<thalf> const & v);
    00288
    00290                         // Explicit basic constructors
    00291
    00292                         explicit tvec4(thalf s);
    00293                         explicit tvec4(thalf s0, thalf s1, thalf s2, thalf s3);
    00294
    00296                         // Swizzle constructors
    00297
    00298                         tvec4(tref4<thalf> const & r);
    00299
    00301                         // Convertion scalar constructors
    00302
    00304                         template <typename U>
    00305                         explicit tvec4(U x);
    00307                         template <typename A, typename B, typename C, typename D>
    00308                         explicit tvec4(A x, B y, C z, D w);
    00309
    00311                         // Convertion vector constructors
    00312
    00314                         template <typename A, typename B, typename C>
    00315                         explicit tvec4(const tvec2<A>& v, B s1, C s2);
    00317                         template <typename A, typename B, typename C>
    00318                         explicit tvec4(A s1, const tvec2<B>& v, C s2);
    00320                         template <typename A, typename B, typename C>
    00321                         explicit tvec4(A s1, B s2, const tvec2<C>& v);
    00323                         template <typename A, typename B>
    00324                         explicit tvec4(const tvec3<A>& v, B s);
    00326                         template <typename A, typename B>
    00327                         explicit tvec4(A s, const tvec3<B>& v);
    00329                         template <typename A, typename B>
    00330                         explicit tvec4(const tvec2<A>& v1, const tvec2<B>& v2);
    00332                         template <typename U>
    00333                         explicit tvec4(const tvec4<U>& v);
    00334
    00336                         // Unary arithmetic operators
    00337
    00338                         tvec4<thalf>& operator= (tvec4<thalf> const & v);
    00339
    00340                         tvec4<thalf>& operator+=(thalf s);
    00341                         tvec4<thalf>& operator+=(tvec4<thalf> const & v);
    00342                         tvec4<thalf>& operator-=(thalf s);
    00343                         tvec4<thalf>& operator-=(tvec4<thalf> const & v);
    00344                         tvec4<thalf>& operator*=(thalf s);
    00345                         tvec4<thalf>& operator*=(tvec4<thalf> const & v);
    00346                         tvec4<thalf>& operator/=(thalf s);
    00347                         tvec4<thalf>& operator/=(tvec4<thalf> const & v);
    00348                         tvec4<thalf>& operator++();
    00349                         tvec4<thalf>& operator--();
    00350
    00352                         // Swizzle operators
    00353
    00354                         thalf swizzle(comp X) const;
    00355                         tvec2<thalf> swizzle(comp X, comp Y) const;
    00356                         tvec3<thalf> swizzle(comp X, comp Y, comp Z) const;
    00357                         tvec4<thalf> swizzle(comp X, comp Y, comp Z, comp W) const;
    00358                         tref4<thalf> swizzle(comp X, comp Y, comp Z, comp W);
    00359                 };
    00360 #endif//GLM_USE_ANONYMOUS_UNION
    00361         }
    00362         //namespace detail
    00363
    00364         namespace gtc{
    00366         namespace half_float
    00367         {
    00370                 typedef detail::thalf                                   half;
    00371
    00374                 typedef detail::tvec2<detail::thalf>    hvec2;
    00375
    00378                 typedef detail::tvec3<detail::thalf>    hvec3;
    00379
    00382                 typedef detail::tvec4<detail::thalf>    hvec4;
    00383
    00386                 typedef detail::tmat2x2<detail::thalf>  hmat2;
    00387
    00390                 typedef detail::tmat3x3<detail::thalf>  hmat3;
    00391
    00394                 typedef detail::tmat4x4<detail::thalf>  hmat4;
    00395
    00396         }//namespace half_float
    00397         }//namespace gtc
    00398 }//namespace glm
    00399
    00400 #define GLM_GTC_half_float namespace gtc::half_float
    00401 #ifndef GLM_GTC_GLOBAL
    00402 namespace glm {using GLM_GTC_half_float;}
    00403 #endif//GLM_GTC_GLOBAL
    00404
    00405 #include "half_float.inl"
    00406
    00407 #endif//glm_gtc_half_float