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  36.   <div class="headertitle">
    37. 

  37. <div class="title">half_float.hpp</div>  </div>
    38. 

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    39. 

  39. <div class="contents">
    40. 

  40. <div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 
    41. 

  41. <a name="l00002"></a>00002 <span class="comment">// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)</span>
    42. 

  42. <a name="l00004"></a>00004 <span class="comment"></span><span class="comment">// Created : 2009-04-29</span>
    43. 

  43. <a name="l00005"></a>00005 <span class="comment">// Updated : 2010-02-07</span>
    44. 

  44. <a name="l00006"></a>00006 <span class="comment">// Licence : This source is under MIT License</span>
    45. 

  45. <a name="l00007"></a>00007 <span class="comment">// File    : glm/gtc/half_float.hpp</span>
    46. 

  46. <a name="l00009"></a>00009 <span class="comment"></span>
    47. 

  47. <a name="l00010"></a>00010 <span class="preprocessor">#ifndef glm_gtc_half_float</span>
    48. 

  48. <a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#define glm_gtc_half_float</span>
    49. 

  49. <a name="l00012"></a>00012 <span class="preprocessor"></span>
    50. 

  50. <a name="l00013"></a>00013 <span class="comment">// Dependency:</span>
    51. 

  51. <a name="l00014"></a>00014 <span class="preprocessor">#include &quot;../glm.hpp&quot;</span>
    52. 

  52. <a name="l00015"></a>00015 
    53. 

  53. <a name="l00016"></a>00016 <span class="preprocessor">#if(defined(GLM_MESSAGES) &amp;&amp; !defined(glm_ext))</span>
    54. 

  54. <a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor">#       pragma message(&quot;GLM: GLM_GTC_half_float extension included&quot;)</span>
    55. 

  55. <a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
    56. 

  56. <a name="l00019"></a>00019 <span class="preprocessor"></span>
    57. 

  57. <a name="l00020"></a>00020 <span class="keyword">namespace </span>glm{
    58. 

  58. <a name="l00021"></a>00021 <span class="keyword">namespace </span>detail
    59. 

  59. <a name="l00022"></a>00022 {
    60. 

  60. <a name="l00023"></a>00023 <span class="preprocessor">#ifndef _MSC_EXTENSIONS</span>
    61. 

  61. <a name="l00024"></a>00024 <span class="preprocessor"></span>        <span class="keyword">template</span> &lt;&gt;
    62. 

  62. <a name="l00025"></a>00025         <span class="keyword">struct </span>tvec2&lt;thalf&gt;
    63. 

  63. <a name="l00026"></a>00026         {
    64. 

  64. <a name="l00027"></a>00027                 <span class="keyword">enum</span> ctor{null};
    65. 

  65. <a name="l00028"></a>00028                 <span class="keyword">typedef</span> thalf value_type;
    66. 

  66. <a name="l00029"></a>00029                 <span class="keyword">typedef</span> std::size_t size_type;
    67. 

  67. <a name="l00030"></a>00030                 <span class="keyword">static</span> size_type value_size();
    68. 

  68. <a name="l00031"></a>00031                 GLM_FUNC_DECL size_type length() <span class="keyword">const</span>;
    69. 

  69. <a name="l00032"></a>00032 
    70. 

  70. <a name="l00033"></a>00033                 <span class="keyword">typedef</span> tvec2&lt;thalf&gt; type;
    71. 

  71. <a name="l00034"></a>00034                 <span class="keyword">typedef</span> tvec2&lt;bool&gt; bool_type;
    72. 

  72. <a name="l00035"></a>00035 
    73. 

  73. <a name="l00037"></a>00037                 <span class="comment">// Data</span>
    74. 

  74. <a name="l00038"></a>00038 
    75. 

  75. <a name="l00039"></a>00039                 thalf x, y;
    76. 

  76. <a name="l00040"></a>00040 
    77. 

  77. <a name="l00042"></a>00042                 <span class="comment">// Accesses</span>
    78. 

  78. <a name="l00043"></a>00043 
    79. 

  79. <a name="l00044"></a>00044                 thalf &amp; operator[](size_type i);
    80. 

  80. <a name="l00045"></a>00045                 thalf <span class="keyword">const</span> &amp; operator[](size_type i) <span class="keyword">const</span>;
    81. 

  81. <a name="l00046"></a>00046 
    82. 

  82. <a name="l00048"></a>00048                 <span class="comment">// Implicit basic constructors</span>
    83. 

  83. <a name="l00049"></a>00049 
    84. 

  84. <a name="l00050"></a>00050                 tvec2();
    85. 

  85. <a name="l00051"></a>00051                 tvec2(tvec2&lt;thalf&gt; <span class="keyword">const</span> &amp; v);
    86. 

  86. <a name="l00052"></a>00052 
    87. 

  87. <a name="l00054"></a>00054                 <span class="comment">// Explicit basic constructors</span>
    88. 

  88. <a name="l00055"></a>00055 
    89. 

  89. <a name="l00056"></a>00056                 <span class="keyword">explicit</span> tvec2(ctor);
    90. 

  90. <a name="l00057"></a>00057                 <span class="keyword">explicit</span> tvec2(
    91. 

  91. <a name="l00058"></a>00058                         thalf <span class="keyword">const</span> &amp; s);
    92. 

  92. <a name="l00059"></a>00059                 <span class="keyword">explicit</span> tvec2(
    93. 

  93. <a name="l00060"></a>00060                         thalf <span class="keyword">const</span> &amp; s1, 
    94. 

  94. <a name="l00061"></a>00061                         thalf <span class="keyword">const</span> &amp; s2);
    95. 

  95. <a name="l00062"></a>00062 
    96. 

  96. <a name="l00064"></a>00064                 <span class="comment">// Swizzle constructors</span>
    97. 

  97. <a name="l00065"></a>00065 
    98. 

  98. <a name="l00066"></a>00066                 tvec2(tref2&lt;thalf&gt; <span class="keyword">const</span> &amp; r);
    99. 

  99. <a name="l00067"></a>00067 
    100. 

  100. <a name="l00069"></a>00069                 <span class="comment">// Convertion scalar constructors</span>
    101. 

  101. <a name="l00070"></a>00070 
    102. 

  102. <a name="l00072"></a>00072                 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> U&gt; 
    103. 

  103. <a name="l00073"></a>00073                 <span class="keyword">explicit</span> tvec2(U <span class="keyword">const</span> &amp; x);
    104. 

  104. <a name="l00075"></a>00075                 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> U, <span class="keyword">typename</span> V&gt; 
    105. 

  105. <a name="l00076"></a>00076                 <span class="keyword">explicit</span> tvec2(U <span class="keyword">const</span> &amp; x, V <span class="keyword">const</span> &amp; y);                       
    106. 

  106. <a name="l00077"></a>00077 
    107. 

  107. <a name="l00079"></a>00079                 <span class="comment">// Convertion vector constructors</span>
    108. 

  108. <a name="l00080"></a>00080 
    109. 

  109. <a name="l00082"></a>00082                 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> U&gt; 
    110. 

  110. <a name="l00083"></a>00083                 <span class="keyword">explicit</span> tvec2(tvec2&lt;U&gt; <span class="keyword">const</span> &amp; v);
    111. 

  111. <a name="l00085"></a>00085                 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> U&gt; 
    112. 

  112. <a name="l00086"></a>00086                 <span class="keyword">explicit</span> tvec2(tvec3&lt;U&gt; <span class="keyword">const</span> &amp; v);
    113. 

  113. <a name="l00088"></a>00088                 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> U&gt; 
    114. 

  114. <a name="l00089"></a>00089                 <span class="keyword">explicit</span> tvec2(tvec4&lt;U&gt; <span class="keyword">const</span> &amp; v);
    115. 

  115. <a name="l00090"></a>00090 
    116. 

  116. <a name="l00092"></a>00092                 <span class="comment">// Unary arithmetic operators</span>
    117. 

  117. <a name="l00093"></a>00093 
    118. 

  118. <a name="l00094"></a>00094                 tvec2&lt;thalf&gt;&amp; operator= (tvec2&lt;thalf&gt; <span class="keyword">const</span> &amp; v);
    119. 

  119. <a name="l00095"></a>00095 
    120. 

  120. <a name="l00096"></a>00096                 tvec2&lt;thalf&gt;&amp; operator+=(thalf <span class="keyword">const</span> &amp; s);
    121. 

  121. <a name="l00097"></a>00097                 tvec2&lt;thalf&gt;&amp; operator+=(tvec2&lt;thalf&gt; <span class="keyword">const</span> &amp; v);
    122. 

  122. <a name="l00098"></a>00098                 tvec2&lt;thalf&gt;&amp; operator-=(thalf <span class="keyword">const</span> &amp; s);
    123. 

  123. <a name="l00099"></a>00099                 tvec2&lt;thalf&gt;&amp; operator-=(tvec2&lt;thalf&gt; <span class="keyword">const</span> &amp; v);
    124. 

  124. <a name="l00100"></a>00100                 tvec2&lt;thalf&gt;&amp; operator*=(thalf <span class="keyword">const</span> &amp; s);
    125. 

  125. <a name="l00101"></a>00101                 tvec2&lt;thalf&gt;&amp; operator*=(tvec2&lt;thalf&gt; <span class="keyword">const</span> &amp; v);
    126. 

  126. <a name="l00102"></a>00102                 tvec2&lt;thalf&gt;&amp; operator/=(thalf <span class="keyword">const</span> &amp; s);
    127. 

  127. <a name="l00103"></a>00103                 tvec2&lt;thalf&gt;&amp; operator/=(tvec2&lt;thalf&gt; <span class="keyword">const</span> &amp; v);
    128. 

  128. <a name="l00104"></a>00104                 tvec2&lt;thalf&gt;&amp; operator++();
    129. 

  129. <a name="l00105"></a>00105                 tvec2&lt;thalf&gt;&amp; operator--();
    130. 

  130. <a name="l00106"></a>00106 
    131. 

  131. <a name="l00108"></a>00108                 <span class="comment">// Swizzle operators</span>
    132. 

  132. <a name="l00109"></a>00109 
    133. 

  133. <a name="l00110"></a>00110                 thalf swizzle(comp X) <span class="keyword">const</span>;
    134. 

  134. <a name="l00111"></a>00111                 tvec2&lt;thalf&gt; swizzle(comp X, comp Y) <span class="keyword">const</span>;
    135. 

  135. <a name="l00112"></a>00112                 tvec3&lt;thalf&gt; swizzle(comp X, comp Y, comp Z) <span class="keyword">const</span>;
    136. 

  136. <a name="l00113"></a>00113                 tvec4&lt;thalf&gt; swizzle(comp X, comp Y, comp Z, comp W) <span class="keyword">const</span>;
    137. 

  137. <a name="l00114"></a>00114                 tref2&lt;thalf&gt; swizzle(comp X, comp Y);
    138. 

  138. <a name="l00115"></a>00115         };
    139. 

  139. <a name="l00116"></a>00116 
    140. 

  140. <a name="l00117"></a>00117         <span class="keyword">template</span> &lt;&gt;
    141. 

  141. <a name="l00118"></a>00118         <span class="keyword">struct </span>tvec3&lt;thalf&gt;
    142. 

  142. <a name="l00119"></a>00119         {
    143. 

  143. <a name="l00120"></a>00120                 <span class="keyword">enum</span> ctor{null};
    144. 

  144. <a name="l00121"></a>00121                 <span class="keyword">typedef</span> thalf value_type;
    145. 

  145. <a name="l00122"></a>00122                 <span class="keyword">typedef</span> std::size_t size_type;
    146. 

  146. <a name="l00123"></a>00123                 <span class="keyword">static</span> size_type value_size();
    147. 

  147. <a name="l00124"></a>00124                 GLM_FUNC_DECL size_type length() <span class="keyword">const</span>;
    148. 

  148. <a name="l00125"></a>00125 
    149. 

  149. <a name="l00126"></a>00126                 <span class="keyword">typedef</span> tvec3&lt;thalf&gt; type;
    150. 

  150. <a name="l00127"></a>00127                 <span class="keyword">typedef</span> tvec3&lt;bool&gt; bool_type;
    151. 

  151. <a name="l00128"></a>00128 
    152. 

  152. <a name="l00130"></a>00130                 <span class="comment">// Data</span>
    153. 

  153. <a name="l00131"></a>00131 
    154. 

  154. <a name="l00132"></a>00132                 thalf x, y, z;
    155. 

  155. <a name="l00133"></a>00133 
    156. 

  156. <a name="l00135"></a>00135                 <span class="comment">// Accesses</span>
    157. 

  157. <a name="l00136"></a>00136 
    158. 

  158. <a name="l00137"></a>00137                 thalf &amp; operator[](size_type i);
    159. 

  159. <a name="l00138"></a>00138                 thalf <span class="keyword">const</span> &amp; operator[](size_type i) <span class="keyword">const</span>;
    160. 

  160. <a name="l00139"></a>00139 
    161. 

  161. <a name="l00141"></a>00141                 <span class="comment">// Implicit basic constructors</span>
    162. 

  162. <a name="l00142"></a>00142 
    163. 

  163. <a name="l00143"></a>00143                 tvec3();
    164. 

  164. <a name="l00144"></a>00144                 tvec3(tvec3&lt;thalf&gt; <span class="keyword">const</span> &amp; v);
    165. 

  165. <a name="l00145"></a>00145 
    166. 

  166. <a name="l00147"></a>00147                 <span class="comment">// Explicit basic constructors</span>
    167. 

  167. <a name="l00148"></a>00148 
    168. 

  168. <a name="l00149"></a>00149                 <span class="keyword">explicit</span> tvec3(ctor);
    169. 

  169. <a name="l00150"></a>00150                 <span class="keyword">explicit</span> tvec3(
    170. 

  170. <a name="l00151"></a>00151                         thalf <span class="keyword">const</span> &amp; s);
    171. 

  171. <a name="l00152"></a>00152                 <span class="keyword">explicit</span> tvec3(
    172. 

  172. <a name="l00153"></a>00153                         thalf <span class="keyword">const</span> &amp; s1, 
    173. 

  173. <a name="l00154"></a>00154                         thalf <span class="keyword">const</span> &amp; s2, 
    174. 

  174. <a name="l00155"></a>00155                         thalf <span class="keyword">const</span> &amp; s3);
    175. 

  175. <a name="l00156"></a>00156 
    176. 

  176. <a name="l00158"></a>00158                 <span class="comment">// Swizzle constructors</span>
    177. 

  177. <a name="l00159"></a>00159 
    178. 

  178. <a name="l00160"></a>00160                 tvec3(tref3&lt;thalf&gt; <span class="keyword">const</span> &amp; r);
    179. 

  179. <a name="l00161"></a>00161 
    180. 

  180. <a name="l00163"></a>00163                 <span class="comment">// Convertion scalar constructors</span>
    181. 

  181. <a name="l00164"></a>00164 
    182. 

  182. <a name="l00166"></a>00166                 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> U&gt; 
    183. 

  183. <a name="l00167"></a>00167                 <span class="keyword">explicit</span> tvec3(U <span class="keyword">const</span> &amp; x);
    184. 

  184. <a name="l00169"></a>00169                 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> U, <span class="keyword">typename</span> V, <span class="keyword">typename</span> W&gt; 
    185. 

  185. <a name="l00170"></a>00170                 <span class="keyword">explicit</span> tvec3(U <span class="keyword">const</span> &amp; x, V <span class="keyword">const</span> &amp; y, W <span class="keyword">const</span> &amp; z);                  
    186. 

  186. <a name="l00171"></a>00171 
    187. 

  187. <a name="l00173"></a>00173                 <span class="comment">// Convertion vector constructors</span>
    188. 

  188. <a name="l00174"></a>00174 
    189. 

  189. <a name="l00176"></a>00176                 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> A, <span class="keyword">typename</span> B&gt; 
    190. 

  190. <a name="l00177"></a>00177                 <span class="keyword">explicit</span> tvec3(tvec2&lt;A&gt; <span class="keyword">const</span> &amp; v, B <span class="keyword">const</span> &amp; s);
    191. 

  191. <a name="l00179"></a>00179                 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> A, <span class="keyword">typename</span> B&gt; 
    192. 

  192. <a name="l00180"></a>00180                 <span class="keyword">explicit</span> tvec3(A <span class="keyword">const</span> &amp; s, tvec2&lt;B&gt; <span class="keyword">const</span> &amp; v);
    193. 

  193. <a name="l00182"></a>00182                 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> U&gt; 
    194. 

  194. <a name="l00183"></a>00183                 <span class="keyword">explicit</span> tvec3(tvec3&lt;U&gt; <span class="keyword">const</span> &amp; v);
    195. 

  195. <a name="l00185"></a>00185                 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> U&gt; 
    196. 

  196. <a name="l00186"></a>00186                 <span class="keyword">explicit</span> tvec3(tvec4&lt;U&gt; <span class="keyword">const</span> &amp; v);
    197. 

  197. <a name="l00187"></a>00187 
    198. 

  198. <a name="l00189"></a>00189                 <span class="comment">// Unary arithmetic operators</span>
    199. 

  199. <a name="l00190"></a>00190 
    200. 

  200. <a name="l00191"></a>00191                 tvec3&lt;thalf&gt;&amp; operator= (tvec3&lt;thalf&gt; <span class="keyword">const</span> &amp; v);
    201. 

  201. <a name="l00192"></a>00192 
    202. 

  202. <a name="l00193"></a>00193                 tvec3&lt;thalf&gt;&amp; operator+=(thalf <span class="keyword">const</span> &amp; s);
    203. 

  203. <a name="l00194"></a>00194                 tvec3&lt;thalf&gt;&amp; operator+=(tvec3&lt;thalf&gt; <span class="keyword">const</span> &amp; v);
    204. 

  204. <a name="l00195"></a>00195                 tvec3&lt;thalf&gt;&amp; operator-=(thalf <span class="keyword">const</span> &amp; s);
    205. 

  205. <a name="l00196"></a>00196                 tvec3&lt;thalf&gt;&amp; operator-=(tvec3&lt;thalf&gt; <span class="keyword">const</span> &amp; v);
    206. 

  206. <a name="l00197"></a>00197                 tvec3&lt;thalf&gt;&amp; operator*=(thalf <span class="keyword">const</span> &amp; s);
    207. 

  207. <a name="l00198"></a>00198                 tvec3&lt;thalf&gt;&amp; operator*=(tvec3&lt;thalf&gt; <span class="keyword">const</span> &amp; v);
    208. 

  208. <a name="l00199"></a>00199                 tvec3&lt;thalf&gt;&amp; operator/=(thalf <span class="keyword">const</span> &amp; s);
    209. 

  209. <a name="l00200"></a>00200                 tvec3&lt;thalf&gt;&amp; operator/=(tvec3&lt;thalf&gt; <span class="keyword">const</span> &amp; v);
    210. 

  210. <a name="l00201"></a>00201                 tvec3&lt;thalf&gt;&amp; operator++();
    211. 

  211. <a name="l00202"></a>00202                 tvec3&lt;thalf&gt;&amp; operator--();
    212. 

  212. <a name="l00203"></a>00203 
    213. 

  213. <a name="l00205"></a>00205                 <span class="comment">// Swizzle operators</span>
    214. 

  214. <a name="l00206"></a>00206 
    215. 

  215. <a name="l00207"></a>00207                 thalf swizzle(comp X) <span class="keyword">const</span>;
    216. 

  216. <a name="l00208"></a>00208                 tvec2&lt;thalf&gt; swizzle(comp X, comp Y) <span class="keyword">const</span>;
    217. 

  217. <a name="l00209"></a>00209                 tvec3&lt;thalf&gt; swizzle(comp X, comp Y, comp Z) <span class="keyword">const</span>;
    218. 

  218. <a name="l00210"></a>00210                 tvec4&lt;thalf&gt; swizzle(comp X, comp Y, comp Z, comp W) <span class="keyword">const</span>;
    219. 

  219. <a name="l00211"></a>00211                 tref3&lt;thalf&gt; swizzle(comp X, comp Y, comp Z);
    220. 

  220. <a name="l00212"></a>00212         };
    221. 

  221. <a name="l00213"></a>00213 
    222. 

  222. <a name="l00214"></a>00214         <span class="keyword">template</span> &lt;&gt;
    223. 

  223. <a name="l00215"></a>00215         <span class="keyword">struct </span>tvec4&lt;thalf&gt;
    224. 

  224. <a name="l00216"></a>00216         {
    225. 

  225. <a name="l00217"></a>00217                 <span class="keyword">enum</span> ctor{null};
    226. 

  226. <a name="l00218"></a>00218                 <span class="keyword">typedef</span> thalf value_type;
    227. 

  227. <a name="l00219"></a>00219                 <span class="keyword">typedef</span> std::size_t size_type;
    228. 

  228. <a name="l00220"></a>00220                 <span class="keyword">static</span> size_type value_size();
    229. 

  229. <a name="l00221"></a>00221                 GLM_FUNC_DECL size_type length() <span class="keyword">const</span>;
    230. 

  230. <a name="l00222"></a>00222 
    231. 

  231. <a name="l00223"></a>00223                 <span class="keyword">typedef</span> tvec4&lt;thalf&gt; type;
    232. 

  232. <a name="l00224"></a>00224                 <span class="keyword">typedef</span> tvec4&lt;bool&gt; bool_type;
    233. 

  233. <a name="l00225"></a>00225 
    234. 

  234. <a name="l00227"></a>00227                 <span class="comment">// Data</span>
    235. 

  235. <a name="l00228"></a>00228 
    236. 

  236. <a name="l00229"></a>00229                 thalf x, y, z, w;
    237. 

  237. <a name="l00230"></a>00230 
    238. 

  238. <a name="l00232"></a>00232                 <span class="comment">// Accesses</span>
    239. 

  239. <a name="l00233"></a>00233 
    240. 

  240. <a name="l00234"></a>00234                 thalf &amp; operator[](size_type i);
    241. 

  241. <a name="l00235"></a>00235                 thalf <span class="keyword">const</span> &amp; operator[](size_type i) <span class="keyword">const</span>;
    242. 

  242. <a name="l00236"></a>00236 
    243. 

  243. <a name="l00238"></a>00238                 <span class="comment">// Implicit basic constructors</span>
    244. 

  244. <a name="l00239"></a>00239 
    245. 

  245. <a name="l00240"></a>00240                 tvec4();
    246. 

  246. <a name="l00241"></a>00241                 tvec4(tvec4&lt;thalf&gt; <span class="keyword">const</span> &amp; v);
    247. 

  247. <a name="l00242"></a>00242 
    248. 

  248. <a name="l00244"></a>00244                 <span class="comment">// Explicit basic constructors</span>
    249. 

  249. <a name="l00245"></a>00245 
    250. 

  250. <a name="l00246"></a>00246                 <span class="keyword">explicit</span> tvec4(ctor);
    251. 

  251. <a name="l00247"></a>00247                 <span class="keyword">explicit</span> tvec4(
    252. 

  252. <a name="l00248"></a>00248                         thalf <span class="keyword">const</span> &amp; s);
    253. 

  253. <a name="l00249"></a>00249                 <span class="keyword">explicit</span> tvec4(
    254. 

  254. <a name="l00250"></a>00250                         thalf <span class="keyword">const</span> &amp; s0, 
    255. 

  255. <a name="l00251"></a>00251                         thalf <span class="keyword">const</span> &amp; s1, 
    256. 

  256. <a name="l00252"></a>00252                         thalf <span class="keyword">const</span> &amp; s2, 
    257. 

  257. <a name="l00253"></a>00253                         thalf <span class="keyword">const</span> &amp; s3);
    258. 

  258. <a name="l00254"></a>00254 
    259. 

  259. <a name="l00256"></a>00256                 <span class="comment">// Swizzle constructors</span>
    260. 

  260. <a name="l00257"></a>00257 
    261. 

  261. <a name="l00258"></a>00258                 tvec4(tref4&lt;thalf&gt; <span class="keyword">const</span> &amp; r);
    262. 

  262. <a name="l00259"></a>00259 
    263. 

  263. <a name="l00261"></a>00261                 <span class="comment">// Convertion scalar constructors</span>
    264. 

  264. <a name="l00262"></a>00262 
    265. 

  265. <a name="l00264"></a>00264                 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> U&gt; 
    266. 

  266. <a name="l00265"></a>00265                 <span class="keyword">explicit</span> tvec4(U <span class="keyword">const</span> &amp; x);
    267. 

  267. <a name="l00267"></a>00267                 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> A, <span class="keyword">typename</span> B, <span class="keyword">typename</span> C, <span class="keyword">typename</span> D&gt; 
    268. 

  268. <a name="l00268"></a>00268                 <span class="keyword">explicit</span> tvec4(A <span class="keyword">const</span> &amp; x, B <span class="keyword">const</span> &amp; y, C <span class="keyword">const</span> &amp; z, D <span class="keyword">const</span> &amp; w);                     
    269. 

  269. <a name="l00269"></a>00269 
    270. 

  270. <a name="l00271"></a>00271                 <span class="comment">// Convertion vector constructors</span>
    271. 

  271. <a name="l00272"></a>00272 
    272. 

  272. <a name="l00274"></a>00274                 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> A, <span class="keyword">typename</span> B, <span class="keyword">typename</span> C&gt; 
    273. 

  273. <a name="l00275"></a>00275                 <span class="keyword">explicit</span> tvec4(tvec2&lt;A&gt; <span class="keyword">const</span> &amp; v, B <span class="keyword">const</span> &amp; s1, C <span class="keyword">const</span> &amp; s2);
    274. 

  274. <a name="l00277"></a>00277                 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> A, <span class="keyword">typename</span> B, <span class="keyword">typename</span> C&gt; 
    275. 

  275. <a name="l00278"></a>00278                 <span class="keyword">explicit</span> tvec4(A <span class="keyword">const</span> &amp; s1, tvec2&lt;B&gt; <span class="keyword">const</span> &amp; v, C <span class="keyword">const</span> &amp; s2);
    276. 

  276. <a name="l00280"></a>00280                 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> A, <span class="keyword">typename</span> B, <span class="keyword">typename</span> C&gt; 
    277. 

  277. <a name="l00281"></a>00281                 <span class="keyword">explicit</span> tvec4(A <span class="keyword">const</span> &amp; s1, B <span class="keyword">const</span> &amp; s2, tvec2&lt;C&gt; <span class="keyword">const</span> &amp; v);
    278. 

  278. <a name="l00283"></a>00283                 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> A, <span class="keyword">typename</span> B&gt; 
    279. 

  279. <a name="l00284"></a>00284                 <span class="keyword">explicit</span> tvec4(tvec3&lt;A&gt; <span class="keyword">const</span> &amp; v, B <span class="keyword">const</span> &amp; s);
    280. 

  280. <a name="l00286"></a>00286                 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> A, <span class="keyword">typename</span> B&gt; 
    281. 

  281. <a name="l00287"></a>00287                 <span class="keyword">explicit</span> tvec4(A <span class="keyword">const</span> &amp; s, tvec3&lt;B&gt; <span class="keyword">const</span> &amp; v);
    282. 

  282. <a name="l00289"></a>00289                 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> A, <span class="keyword">typename</span> B&gt; 
    283. 

  283. <a name="l00290"></a>00290                 <span class="keyword">explicit</span> tvec4(tvec2&lt;A&gt; <span class="keyword">const</span> &amp; v1, tvec2&lt;B&gt; <span class="keyword">const</span> &amp; v2);
    284. 

  284. <a name="l00292"></a>00292                 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> U&gt; 
    285. 

  285. <a name="l00293"></a>00293                 <span class="keyword">explicit</span> tvec4(tvec4&lt;U&gt; <span class="keyword">const</span> &amp; v);
    286. 

  286. <a name="l00294"></a>00294 
    287. 

  287. <a name="l00296"></a>00296                 <span class="comment">// Unary arithmetic operators</span>
    288. 

  288. <a name="l00297"></a>00297 
    289. 

  289. <a name="l00298"></a>00298                 tvec4&lt;thalf&gt;&amp; operator= (tvec4&lt;thalf&gt; <span class="keyword">const</span> &amp; v);
    290. 

  290. <a name="l00299"></a>00299 
    291. 

  291. <a name="l00300"></a>00300                 tvec4&lt;thalf&gt;&amp; operator+=(thalf <span class="keyword">const</span> &amp; s);
    292. 

  292. <a name="l00301"></a>00301                 tvec4&lt;thalf&gt;&amp; operator+=(tvec4&lt;thalf&gt; <span class="keyword">const</span> &amp; v);
    293. 

  293. <a name="l00302"></a>00302                 tvec4&lt;thalf&gt;&amp; operator-=(thalf <span class="keyword">const</span> &amp; s);
    294. 

  294. <a name="l00303"></a>00303                 tvec4&lt;thalf&gt;&amp; operator-=(tvec4&lt;thalf&gt; <span class="keyword">const</span> &amp; v);
    295. 

  295. <a name="l00304"></a>00304                 tvec4&lt;thalf&gt;&amp; operator*=(thalf <span class="keyword">const</span> &amp; s);
    296. 

  296. <a name="l00305"></a>00305                 tvec4&lt;thalf&gt;&amp; operator*=(tvec4&lt;thalf&gt; <span class="keyword">const</span> &amp; v);
    297. 

  297. <a name="l00306"></a>00306                 tvec4&lt;thalf&gt;&amp; operator/=(thalf <span class="keyword">const</span> &amp; s);
    298. 

  298. <a name="l00307"></a>00307                 tvec4&lt;thalf&gt;&amp; operator/=(tvec4&lt;thalf&gt; <span class="keyword">const</span> &amp; v);
    299. 

  299. <a name="l00308"></a>00308                 tvec4&lt;thalf&gt;&amp; operator++();
    300. 

  300. <a name="l00309"></a>00309                 tvec4&lt;thalf&gt;&amp; operator--();
    301. 

  301. <a name="l00310"></a>00310 
    302. 

  302. <a name="l00312"></a>00312                 <span class="comment">// Swizzle operators</span>
    303. 

  303. <a name="l00313"></a>00313 
    304. 

  304. <a name="l00314"></a>00314                 thalf swizzle(comp X) <span class="keyword">const</span>;
    305. 

  305. <a name="l00315"></a>00315                 tvec2&lt;thalf&gt; swizzle(comp X, comp Y) <span class="keyword">const</span>;
    306. 

  306. <a name="l00316"></a>00316                 tvec3&lt;thalf&gt; swizzle(comp X, comp Y, comp Z) <span class="keyword">const</span>;
    307. 

  307. <a name="l00317"></a>00317                 tvec4&lt;thalf&gt; swizzle(comp X, comp Y, comp Z, comp W) <span class="keyword">const</span>;
    308. 

  308. <a name="l00318"></a>00318                 tref4&lt;thalf&gt; swizzle(comp X, comp Y, comp Z, comp W);
    309. 

  309. <a name="l00319"></a>00319         };
    310. 

  310. <a name="l00320"></a>00320 <span class="preprocessor">#endif//_MSC_EXTENSIONS</span>
    311. 

  311. <a name="l00321"></a>00321 <span class="preprocessor"></span>}
    312. 

  312. <a name="l00322"></a>00322 <span class="comment">//namespace detail</span>
    313. 

  313. <a name="l00323"></a>00323 
    314. 

  314. <a name="l00324"></a>00324 <span class="keyword">namespace </span>gtc{
    315. 

  315. <a name="l00325"></a><a class="code" href="a00159.html">00325</a> <span class="keyword">namespace </span>half_float 
    316. 

  316. <a name="l00326"></a>00326 {
    317. 

  317. <a name="l00329"></a>00329 
    318. 

  318. <a name="l00332"></a><a class="code" href="a00240.html#ga256188598ace9135605a8ac8fc158654">00332</a>         <span class="keyword">typedef</span> <a class="code" href="a00009.html" title="16-bit floating point type.">detail::thalf</a>                                   <a class="code" href="a00240.html#ga256188598ace9135605a8ac8fc158654" title="Type for half-precision floating-point numbers.">half</a>;
    319. 

  319. <a name="l00333"></a>00333 
    320. 

  320. <a name="l00336"></a><a class="code" href="a00240.html#ga2cd0b3fe113dc1aa2ee750a85f77c50a">00336</a>         <span class="keyword">typedef</span> <a class="code" href="a00020.html" title="The basic 2D vector type.">detail::tvec2&lt;detail::thalf&gt;</a>    <a class="code" href="a00240.html#ga2cd0b3fe113dc1aa2ee750a85f77c50a" title="Vector of 2 half-precision floating-point numbers.">hvec2</a>;
    321. 

  321. <a name="l00337"></a>00337 
    322. 

  322. <a name="l00340"></a><a class="code" href="a00240.html#gab708ed615526a03ec26e3b614bea2b7b">00340</a>         <span class="keyword">typedef</span> <a class="code" href="a00021.html" title="Basic 3D vector type.">detail::tvec3&lt;detail::thalf&gt;</a>    <a class="code" href="a00240.html#gab708ed615526a03ec26e3b614bea2b7b" title="Vector of 3 half-precision floating-point numbers.">hvec3</a>;
    323. 

  323. <a name="l00341"></a>00341 
    324. 

  324. <a name="l00344"></a><a class="code" href="a00240.html#ga912913b034fea8952fcfc129a633c667">00344</a>         <span class="keyword">typedef</span> <a class="code" href="a00022.html" title="Basic 4D vector type.">detail::tvec4&lt;detail::thalf&gt;</a>    <a class="code" href="a00240.html#ga912913b034fea8952fcfc129a633c667" title="Vector of 4 half-precision floating-point numbers.">hvec4</a>;
    325. 

  325. <a name="l00345"></a>00345 
    326. 

  326. <a name="l00348"></a><a class="code" href="a00240.html#ga784f92f5a36fd8e23a69119eb6a80eb8">00348</a>         <span class="keyword">typedef</span> <a class="code" href="a00010.html" title="Template for 2 * 2 matrix of floating-point numbers.">detail::tmat2x2&lt;detail::thalf&gt;</a>  <a class="code" href="a00240.html#ga784f92f5a36fd8e23a69119eb6a80eb8" title="2 * 2 matrix of half-precision floating-point numbers.">hmat2</a>;
    327. 

  327. <a name="l00349"></a>00349     
    328. 

  328. <a name="l00352"></a><a class="code" href="a00240.html#ga97a57670730ece7f6b904d6dcce5bd7a">00352</a>         <span class="keyword">typedef</span> <a class="code" href="a00014.html" title="Template for 3 * 3 matrix of floating-point numbers.">detail::tmat3x3&lt;detail::thalf&gt;</a>  <a class="code" href="a00240.html#ga97a57670730ece7f6b904d6dcce5bd7a" title="3 * 3 matrix of half-precision floating-point numbers.">hmat3</a>;
    329. 

  329. <a name="l00353"></a>00353 
    330. 

  330. <a name="l00356"></a><a class="code" href="a00240.html#gaffa8b541819e978ede6129703be94285">00356</a>         <span class="keyword">typedef</span> <a class="code" href="a00018.html" title="Template for 4 * 4 matrix of floating-point numbers.">detail::tmat4x4&lt;detail::thalf&gt;</a>  <a class="code" href="a00240.html#gaffa8b541819e978ede6129703be94285" title="4 * 4 matrix of half-precision floating-point numbers.">hmat4</a>;
    331. 

  331. <a name="l00357"></a>00357 
    332. 

  332. <a name="l00360"></a><a class="code" href="a00240.html#gaef5a99a975d1df44e43f3662d84d24e2">00360</a>         <span class="keyword">typedef</span> <a class="code" href="a00010.html" title="Template for 2 * 2 matrix of floating-point numbers.">detail::tmat2x2&lt;detail::thalf&gt;</a>  <a class="code" href="a00240.html#gaef5a99a975d1df44e43f3662d84d24e2" title="2 * 2 matrix of half-precision floating-point numbers.">hmat2x2</a>;
    333. 

  333. <a name="l00361"></a>00361     
    334. 

  334. <a name="l00364"></a><a class="code" href="a00240.html#ga55c96491b1d2508504b7fad8f31fdd47">00364</a>         <span class="keyword">typedef</span> <a class="code" href="a00011.html" title="Template for 2 columns and 3 rows matrix of floating-point numbers.">detail::tmat2x3&lt;detail::thalf&gt;</a>  <a class="code" href="a00240.html#ga55c96491b1d2508504b7fad8f31fdd47" title="2 * 3 matrix of half-precision floating-point numbers.">hmat2x3</a>;
    335. 

  335. <a name="l00365"></a>00365     
    336. 

  336. <a name="l00368"></a><a class="code" href="a00240.html#ga43a7d1bfd8945398effa19eb66ce304a">00368</a>         <span class="keyword">typedef</span> <a class="code" href="a00012.html" title="Template for 2 columns and 4 rows matrix of floating-point numbers.">detail::tmat2x4&lt;detail::thalf&gt;</a>  <a class="code" href="a00240.html#ga43a7d1bfd8945398effa19eb66ce304a" title="2 * 4 matrix of half-precision floating-point numbers.">hmat2x4</a>;
    337. 

  337. <a name="l00369"></a>00369 
    338. 

  338. <a name="l00372"></a><a class="code" href="a00240.html#gaf89371358a1d90a224c72795d25a4f3e">00372</a>         <span class="keyword">typedef</span> <a class="code" href="a00013.html" title="Template for 3 columns and 2 rows matrix of floating-point numbers.">detail::tmat3x2&lt;detail::thalf&gt;</a>  <a class="code" href="a00240.html#gaf89371358a1d90a224c72795d25a4f3e" title="3 * 2 matrix of half-precision floating-point numbers.">hmat3x2</a>;
    339. 

  339. <a name="l00373"></a>00373     
    340. 

  340. <a name="l00376"></a><a class="code" href="a00240.html#ga3b23962a795f1f157242859c1a35dec0">00376</a>         <span class="keyword">typedef</span> <a class="code" href="a00014.html" title="Template for 3 * 3 matrix of floating-point numbers.">detail::tmat3x3&lt;detail::thalf&gt;</a>  <a class="code" href="a00240.html#ga3b23962a795f1f157242859c1a35dec0" title="3 * 3 matrix of half-precision floating-point numbers.">hmat3x3</a>;
    341. 

  341. <a name="l00377"></a>00377     
    342. 

  342. <a name="l00380"></a><a class="code" href="a00240.html#ga8eeb3d8c00910f5497117d1749b6550f">00380</a>         <span class="keyword">typedef</span> <a class="code" href="a00015.html" title="Template for 3 columns and 4 rows matrix of floating-point numbers.">detail::tmat3x4&lt;detail::thalf&gt;</a>  <a class="code" href="a00240.html#ga8eeb3d8c00910f5497117d1749b6550f" title="3 * 4 matrix of half-precision floating-point numbers.">hmat3x4</a>;
    343. 

  343. <a name="l00381"></a>00381 
    344. 

  344. <a name="l00384"></a><a class="code" href="a00240.html#ga370098417bb96d7796b11a4611bf67ac">00384</a>         <span class="keyword">typedef</span> <a class="code" href="a00016.html" title="Template for 4 columns and 2 rows matrix of floating-point numbers.">detail::tmat4x2&lt;detail::thalf&gt;</a>  <a class="code" href="a00240.html#ga370098417bb96d7796b11a4611bf67ac" title="4 * 2 matrix of half-precision floating-point numbers.">hmat4x2</a>;    
    345. 

  345. <a name="l00385"></a>00385 
    346. 

  346. <a name="l00388"></a><a class="code" href="a00240.html#ga8248b190b2f9a4ff3f2aadf865f72b84">00388</a>         <span class="keyword">typedef</span> <a class="code" href="a00017.html" title="Template for 4 columns and 3 rows matrix of floating-point numbers.">detail::tmat4x3&lt;detail::thalf&gt;</a>  <a class="code" href="a00240.html#ga8248b190b2f9a4ff3f2aadf865f72b84" title="4 * 3 matrix of half-precision floating-point numbers.">hmat4x3</a>;
    347. 

  347. <a name="l00389"></a>00389     
    348. 

  348. <a name="l00392"></a><a class="code" href="a00240.html#ga66a4356be6f3c7a1e5cb944657917002">00392</a>         <span class="keyword">typedef</span> <a class="code" href="a00018.html" title="Template for 4 * 4 matrix of floating-point numbers.">detail::tmat4x4&lt;detail::thalf&gt;</a>  <a class="code" href="a00240.html#ga66a4356be6f3c7a1e5cb944657917002" title="4 * 4 matrix of half-precision floating-point numbers.">hmat4x4</a>;
    349. 

  349. <a name="l00393"></a>00393     
    350. 

  350. <a name="l00395"></a>00395 
    351. 

  351. <a name="l00396"></a>00396 }<span class="comment">// namespace half_float</span>
    352. 

  352. <a name="l00397"></a>00397 }<span class="comment">// namespace gtc</span>
    353. 

  353. <a name="l00398"></a>00398 }<span class="comment">// namespace glm</span>
    354. 

  354. <a name="l00399"></a>00399 
    355. 

  355. <a name="l00400"></a>00400 <span class="preprocessor">#include &quot;half_float.inl&quot;</span>
    356. 

  356. <a name="l00401"></a>00401 
    357. 

  357. <a name="l00402"></a>00402 <span class="keyword">namespace </span>glm{<span class="keyword">using namespace </span>gtc::half_float;}
    358. 

  358. <a name="l00403"></a>00403 
    359. 

  359. <a name="l00404"></a>00404 <span class="preprocessor">#endif//glm_gtc_half_float</span>
    360. 

  360. </pre></div></div>
    361. 

  361. </div>
    362. 

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    363. 

  363. <a href="http://www.doxygen.org/index.html">
    364. 

  364. <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address>
    365. 

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    366. 

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    367.