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    66. 

  66. <a href="#func-members">Functions</a>  </div>
    67. 

  67.   <div class="headertitle">
    68. 

  68. <div class="title">GLM_GTX_bit<div class="ingroups"><a class="el" href="a00905.html">Experimental extensions</a></div></div>  </div>
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  69. </div><!--header-->
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  70. <div class="contents">
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  71. <table class="memberdecls">
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  72. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
    73. 

  73. Functions</h2></td></tr>
    74. 

  74. <tr class="memitem:ga0dcc8fe7c3d3ad60dea409281efa3d05"><td class="memTemplParams" colspan="2">template&lt;typename genIUType &gt; </td></tr>
    75. 

  75. <tr class="memitem:ga0dcc8fe7c3d3ad60dea409281efa3d05"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genIUType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00927.html#ga0dcc8fe7c3d3ad60dea409281efa3d05">highestBitValue</a> (genIUType Value)</td></tr>
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  76. <tr class="separator:ga0dcc8fe7c3d3ad60dea409281efa3d05"><td class="memSeparator" colspan="2">&#160;</td></tr>
    77. 

  77. <tr class="memitem:ga898ef075ccf809a1e480faab48fe96bf"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
    78. 

  78. <tr class="memitem:ga898ef075ccf809a1e480faab48fe96bf"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00927.html#ga898ef075ccf809a1e480faab48fe96bf">highestBitValue</a> (vec&lt; L, T, Q &gt; const &amp;value)</td></tr>
    79. 

  79. <tr class="memdesc:ga898ef075ccf809a1e480faab48fe96bf"><td class="mdescLeft">&#160;</td><td class="mdescRight">Find the highest bit set to 1 in a integer variable and return its value.  <a href="a00927.html#ga898ef075ccf809a1e480faab48fe96bf">More...</a><br /></td></tr>
    80. 

  80. <tr class="separator:ga898ef075ccf809a1e480faab48fe96bf"><td class="memSeparator" colspan="2">&#160;</td></tr>
    81. 

  81. <tr class="memitem:ga2ff6568089f3a9b67f5c30918855fc6f"><td class="memTemplParams" colspan="2">template&lt;typename genIUType &gt; </td></tr>
    82. 

  82. <tr class="memitem:ga2ff6568089f3a9b67f5c30918855fc6f"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genIUType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00927.html#ga2ff6568089f3a9b67f5c30918855fc6f">lowestBitValue</a> (genIUType Value)</td></tr>
    83. 

  83. <tr class="separator:ga2ff6568089f3a9b67f5c30918855fc6f"><td class="memSeparator" colspan="2">&#160;</td></tr>
    84. 

  84. <tr class="memitem:ga8cda2459871f574a0aecbe702ac93291"><td class="memTemplParams" colspan="2">template&lt;typename genIUType &gt; </td></tr>
    85. 

  85. <tr class="memitem:ga8cda2459871f574a0aecbe702ac93291"><td class="memTemplItemLeft" align="right" valign="top">GLM_DEPRECATED GLM_FUNC_DECL genIUType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00927.html#ga8cda2459871f574a0aecbe702ac93291">powerOfTwoAbove</a> (genIUType Value)</td></tr>
    86. 

  86. <tr class="memdesc:ga8cda2459871f574a0aecbe702ac93291"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the power of two number which value is just higher the input value.  <a href="a00927.html#ga8cda2459871f574a0aecbe702ac93291">More...</a><br /></td></tr>
    87. 

  87. <tr class="separator:ga8cda2459871f574a0aecbe702ac93291"><td class="memSeparator" colspan="2">&#160;</td></tr>
    88. 

  88. <tr class="memitem:ga2bbded187c5febfefc1e524ba31b3fab"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
    89. 

  89. <tr class="memitem:ga2bbded187c5febfefc1e524ba31b3fab"><td class="memTemplItemLeft" align="right" valign="top">GLM_DEPRECATED GLM_FUNC_DECL vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00927.html#ga2bbded187c5febfefc1e524ba31b3fab">powerOfTwoAbove</a> (vec&lt; L, T, Q &gt; const &amp;value)</td></tr>
    90. 

  90. <tr class="memdesc:ga2bbded187c5febfefc1e524ba31b3fab"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the power of two number which value is just higher the input value.  <a href="a00927.html#ga2bbded187c5febfefc1e524ba31b3fab">More...</a><br /></td></tr>
    91. 

  91. <tr class="separator:ga2bbded187c5febfefc1e524ba31b3fab"><td class="memSeparator" colspan="2">&#160;</td></tr>
    92. 

  92. <tr class="memitem:ga3de7df63c589325101a2817a56f8e29d"><td class="memTemplParams" colspan="2">template&lt;typename genIUType &gt; </td></tr>
    93. 

  93. <tr class="memitem:ga3de7df63c589325101a2817a56f8e29d"><td class="memTemplItemLeft" align="right" valign="top">GLM_DEPRECATED GLM_FUNC_DECL genIUType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00927.html#ga3de7df63c589325101a2817a56f8e29d">powerOfTwoBelow</a> (genIUType Value)</td></tr>
    94. 

  94. <tr class="memdesc:ga3de7df63c589325101a2817a56f8e29d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the power of two number which value is just lower the input value.  <a href="a00927.html#ga3de7df63c589325101a2817a56f8e29d">More...</a><br /></td></tr>
    95. 

  95. <tr class="separator:ga3de7df63c589325101a2817a56f8e29d"><td class="memSeparator" colspan="2">&#160;</td></tr>
    96. 

  96. <tr class="memitem:gaf78ddcc4152c051b2a21e68fecb10980"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
    97. 

  97. <tr class="memitem:gaf78ddcc4152c051b2a21e68fecb10980"><td class="memTemplItemLeft" align="right" valign="top">GLM_DEPRECATED GLM_FUNC_DECL vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00927.html#gaf78ddcc4152c051b2a21e68fecb10980">powerOfTwoBelow</a> (vec&lt; L, T, Q &gt; const &amp;value)</td></tr>
    98. 

  98. <tr class="memdesc:gaf78ddcc4152c051b2a21e68fecb10980"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the power of two number which value is just lower the input value.  <a href="a00927.html#gaf78ddcc4152c051b2a21e68fecb10980">More...</a><br /></td></tr>
    99. 

  99. <tr class="separator:gaf78ddcc4152c051b2a21e68fecb10980"><td class="memSeparator" colspan="2">&#160;</td></tr>
    100. 

  100. <tr class="memitem:ga5f65973a5d2ea38c719e6a663149ead9"><td class="memTemplParams" colspan="2">template&lt;typename genIUType &gt; </td></tr>
    101. 

  101. <tr class="memitem:ga5f65973a5d2ea38c719e6a663149ead9"><td class="memTemplItemLeft" align="right" valign="top">GLM_DEPRECATED GLM_FUNC_DECL genIUType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00927.html#ga5f65973a5d2ea38c719e6a663149ead9">powerOfTwoNearest</a> (genIUType Value)</td></tr>
    102. 

  102. <tr class="memdesc:ga5f65973a5d2ea38c719e6a663149ead9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the power of two number which value is the closet to the input value.  <a href="a00927.html#ga5f65973a5d2ea38c719e6a663149ead9">More...</a><br /></td></tr>
    103. 

  103. <tr class="separator:ga5f65973a5d2ea38c719e6a663149ead9"><td class="memSeparator" colspan="2">&#160;</td></tr>
    104. 

  104. <tr class="memitem:gac87e65d11e16c3d6b91c3bcfaef7da0b"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
    105. 

  105. <tr class="memitem:gac87e65d11e16c3d6b91c3bcfaef7da0b"><td class="memTemplItemLeft" align="right" valign="top">GLM_DEPRECATED GLM_FUNC_DECL vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00927.html#gac87e65d11e16c3d6b91c3bcfaef7da0b">powerOfTwoNearest</a> (vec&lt; L, T, Q &gt; const &amp;value)</td></tr>
    106. 

  106. <tr class="memdesc:gac87e65d11e16c3d6b91c3bcfaef7da0b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the power of two number which value is the closet to the input value.  <a href="a00927.html#gac87e65d11e16c3d6b91c3bcfaef7da0b">More...</a><br /></td></tr>
    107. 

  107. <tr class="separator:gac87e65d11e16c3d6b91c3bcfaef7da0b"><td class="memSeparator" colspan="2">&#160;</td></tr>
    108. 

  108. </table>
    109. 

  109. <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
    110. 

  110. <p>Include &lt;<a class="el" href="a00590.html" title="GLM_GTX_bit">glm/gtx/bit.hpp</a>&gt; to use the features of this extension.</p>
    111. 

  111. <p>Allow to perform bit operations on integer values </p>
    112. 

  112. <h2 class="groupheader">Function Documentation</h2>
    113. 

  113. <a id="ga0dcc8fe7c3d3ad60dea409281efa3d05"></a>
    114. 

  114. <h2 class="memtitle"><span class="permalink"><a href="#ga0dcc8fe7c3d3ad60dea409281efa3d05">&#9670;&nbsp;</a></span>highestBitValue() <span class="overload">[1/2]</span></h2>
    115. 

  115. 

  116. <div class="memitem">
    117. 

  117. <div class="memproto">
    118. 

  118.       <table class="memname">
    119. 

  119.         <tr>
    120. 

  120.           <td class="memname">GLM_FUNC_DECL genIUType glm::highestBitValue </td>
    121. 

  121.           <td>(</td>
    122. 

  122.           <td class="paramtype">genIUType&#160;</td>
    123. 

  123.           <td class="paramname"><em>Value</em></td><td>)</td>
    124. 

  124.           <td></td>
    125. 

  125.         </tr>
    126. 

  126.       </table>
    127. 

  127. </div><div class="memdoc">
    128. 

  128. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00927.html">GLM_GTX_bit</a> </dd></dl>
    129. 

  129. 

  130. </div>
    131. 

  131. </div>
    132. 

  132. <a id="ga898ef075ccf809a1e480faab48fe96bf"></a>
    133. 

  133. <h2 class="memtitle"><span class="permalink"><a href="#ga898ef075ccf809a1e480faab48fe96bf">&#9670;&nbsp;</a></span>highestBitValue() <span class="overload">[2/2]</span></h2>
    134. 

  134. 

  135. <div class="memitem">
    136. 

  136. <div class="memproto">
    137. 

  137.       <table class="memname">
    138. 

  138.         <tr>
    139. 

  139.           <td class="memname">GLM_FUNC_DECL vec&lt;L, T, Q&gt; glm::highestBitValue </td>
    140. 

  140.           <td>(</td>
    141. 

  141.           <td class="paramtype">vec&lt; L, T, Q &gt; const &amp;&#160;</td>
    142. 

  142.           <td class="paramname"><em>value</em></td><td>)</td>
    143. 

  143.           <td></td>
    144. 

  144.         </tr>
    145. 

  145.       </table>
    146. 

  146. </div><div class="memdoc">
    147. 

  147. 

  148. <p>Find the highest bit set to 1 in a integer variable and return its value. </p>
    149. 

  149. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00927.html">GLM_GTX_bit</a> </dd></dl>
    150. 

  150. 

  151. </div>
    152. 

  152. </div>
    153. 

  153. <a id="ga2ff6568089f3a9b67f5c30918855fc6f"></a>
    154. 

  154. <h2 class="memtitle"><span class="permalink"><a href="#ga2ff6568089f3a9b67f5c30918855fc6f">&#9670;&nbsp;</a></span>lowestBitValue()</h2>
    155. 

  155. 

  156. <div class="memitem">
    157. 

  157. <div class="memproto">
    158. 

  158.       <table class="memname">
    159. 

  159.         <tr>
    160. 

  160.           <td class="memname">GLM_FUNC_DECL genIUType glm::lowestBitValue </td>
    161. 

  161.           <td>(</td>
    162. 

  162.           <td class="paramtype">genIUType&#160;</td>
    163. 

  163.           <td class="paramname"><em>Value</em></td><td>)</td>
    164. 

  164.           <td></td>
    165. 

  165.         </tr>
    166. 

  166.       </table>
    167. 

  167. </div><div class="memdoc">
    168. 

  168. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00927.html">GLM_GTX_bit</a> </dd></dl>
    169. 

  169. 

  170. </div>
    171. 

  171. </div>
    172. 

  172. <a id="ga8cda2459871f574a0aecbe702ac93291"></a>
    173. 

  173. <h2 class="memtitle"><span class="permalink"><a href="#ga8cda2459871f574a0aecbe702ac93291">&#9670;&nbsp;</a></span>powerOfTwoAbove() <span class="overload">[1/2]</span></h2>
    174. 

  174. 

  175. <div class="memitem">
    176. 

  176. <div class="memproto">
    177. 

  177.       <table class="memname">
    178. 

  178.         <tr>
    179. 

  179.           <td class="memname">GLM_DEPRECATED GLM_FUNC_DECL genIUType glm::powerOfTwoAbove </td>
    180. 

  180.           <td>(</td>
    181. 

  181.           <td class="paramtype">genIUType&#160;</td>
    182. 

  182.           <td class="paramname"><em>Value</em></td><td>)</td>
    183. 

  183.           <td></td>
    184. 

  184.         </tr>
    185. 

  185.       </table>
    186. 

  186. </div><div class="memdoc">
    187. 

  187. 

  188. <p>Return the power of two number which value is just higher the input value. </p>
    189. 

  189. <p>Deprecated, use ceilPowerOfTwo from GTC_round instead</p>
    190. 

  190. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00920.html">GLM_GTC_round</a> </dd>
    191. 

  191. <dd>
    192. 

  192. <a class="el" href="a00927.html">GLM_GTX_bit</a> </dd></dl>
    193. 

  193. 

  194. </div>
    195. 

  195. </div>
    196. 

  196. <a id="ga2bbded187c5febfefc1e524ba31b3fab"></a>
    197. 

  197. <h2 class="memtitle"><span class="permalink"><a href="#ga2bbded187c5febfefc1e524ba31b3fab">&#9670;&nbsp;</a></span>powerOfTwoAbove() <span class="overload">[2/2]</span></h2>
    198. 

  198. 

  199. <div class="memitem">
    200. 

  200. <div class="memproto">
    201. 

  201.       <table class="memname">
    202. 

  202.         <tr>
    203. 

  203.           <td class="memname">GLM_DEPRECATED GLM_FUNC_DECL vec&lt;L, T, Q&gt; glm::powerOfTwoAbove </td>
    204. 

  204.           <td>(</td>
    205. 

  205.           <td class="paramtype">vec&lt; L, T, Q &gt; const &amp;&#160;</td>
    206. 

  206.           <td class="paramname"><em>value</em></td><td>)</td>
    207. 

  207.           <td></td>
    208. 

  208.         </tr>
    209. 

  209.       </table>
    210. 

  210. </div><div class="memdoc">
    211. 

  211. 

  212. <p>Return the power of two number which value is just higher the input value. </p>
    213. 

  213. <p>Deprecated, use ceilPowerOfTwo from GTC_round instead</p>
    214. 

  214. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00920.html">GLM_GTC_round</a> </dd>
    215. 

  215. <dd>
    216. 

  216. <a class="el" href="a00927.html">GLM_GTX_bit</a> </dd></dl>
    217. 

  217. 

  218. </div>
    219. 

  219. </div>
    220. 

  220. <a id="ga3de7df63c589325101a2817a56f8e29d"></a>
    221. 

  221. <h2 class="memtitle"><span class="permalink"><a href="#ga3de7df63c589325101a2817a56f8e29d">&#9670;&nbsp;</a></span>powerOfTwoBelow() <span class="overload">[1/2]</span></h2>
    222. 

  222. 

  223. <div class="memitem">
    224. 

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  225.       <table class="memname">
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  226.         <tr>
    227. 

  227.           <td class="memname">GLM_DEPRECATED GLM_FUNC_DECL genIUType glm::powerOfTwoBelow </td>
    228. 

  228.           <td>(</td>
    229. 

  229.           <td class="paramtype">genIUType&#160;</td>
    230. 

  230.           <td class="paramname"><em>Value</em></td><td>)</td>
    231. 

  231.           <td></td>
    232. 

  232.         </tr>
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  233.       </table>
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  234. </div><div class="memdoc">
    235. 

  235. 

  236. <p>Return the power of two number which value is just lower the input value. </p>
    237. 

  237. <p>Deprecated, use floorPowerOfTwo from GTC_round instead</p>
    238. 

  238. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00920.html">GLM_GTC_round</a> </dd>
    239. 

  239. <dd>
    240. 

  240. <a class="el" href="a00927.html">GLM_GTX_bit</a> </dd></dl>
    241. 

  241. 

  242. </div>
    243. 

  243. </div>
    244. 

  244. <a id="gaf78ddcc4152c051b2a21e68fecb10980"></a>
    245. 

  245. <h2 class="memtitle"><span class="permalink"><a href="#gaf78ddcc4152c051b2a21e68fecb10980">&#9670;&nbsp;</a></span>powerOfTwoBelow() <span class="overload">[2/2]</span></h2>
    246. 

  246. 

  247. <div class="memitem">
    248. 

  248. <div class="memproto">
    249. 

  249.       <table class="memname">
    250. 

  250.         <tr>
    251. 

  251.           <td class="memname">GLM_DEPRECATED GLM_FUNC_DECL vec&lt;L, T, Q&gt; glm::powerOfTwoBelow </td>
    252. 

  252.           <td>(</td>
    253. 

  253.           <td class="paramtype">vec&lt; L, T, Q &gt; const &amp;&#160;</td>
    254. 

  254.           <td class="paramname"><em>value</em></td><td>)</td>
    255. 

  255.           <td></td>
    256. 

  256.         </tr>
    257. 

  257.       </table>
    258. 

  258. </div><div class="memdoc">
    259. 

  259. 

  260. <p>Return the power of two number which value is just lower the input value. </p>
    261. 

  261. <p>Deprecated, use floorPowerOfTwo from GTC_round instead</p>
    262. 

  262. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00920.html">GLM_GTC_round</a> </dd>
    263. 

  263. <dd>
    264. 

  264. <a class="el" href="a00927.html">GLM_GTX_bit</a> </dd></dl>
    265. 

  265. 

  266. </div>
    267. 

  267. </div>
    268. 

  268. <a id="ga5f65973a5d2ea38c719e6a663149ead9"></a>
    269. 

  269. <h2 class="memtitle"><span class="permalink"><a href="#ga5f65973a5d2ea38c719e6a663149ead9">&#9670;&nbsp;</a></span>powerOfTwoNearest() <span class="overload">[1/2]</span></h2>
    270. 

  270. 

  271. <div class="memitem">
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  272. <div class="memproto">
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  273.       <table class="memname">
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  274.         <tr>
    275. 

  275.           <td class="memname">GLM_DEPRECATED GLM_FUNC_DECL genIUType glm::powerOfTwoNearest </td>
    276. 

  276.           <td>(</td>
    277. 

  277.           <td class="paramtype">genIUType&#160;</td>
    278. 

  278.           <td class="paramname"><em>Value</em></td><td>)</td>
    279. 

  279.           <td></td>
    280. 

  280.         </tr>
    281. 

  281.       </table>
    282. 

  282. </div><div class="memdoc">
    283. 

  283. 

  284. <p>Return the power of two number which value is the closet to the input value. </p>
    285. 

  285. <p>Deprecated, use roundPowerOfTwo from GTC_round instead</p>
    286. 

  286. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00920.html">GLM_GTC_round</a> </dd>
    287. 

  287. <dd>
    288. 

  288. <a class="el" href="a00927.html">GLM_GTX_bit</a> </dd></dl>
    289. 

  289. 

  290. </div>
    291. 

  291. </div>
    292. 

  292. <a id="gac87e65d11e16c3d6b91c3bcfaef7da0b"></a>
    293. 

  293. <h2 class="memtitle"><span class="permalink"><a href="#gac87e65d11e16c3d6b91c3bcfaef7da0b">&#9670;&nbsp;</a></span>powerOfTwoNearest() <span class="overload">[2/2]</span></h2>
    294. 

  294. 

  295. <div class="memitem">
    296. 

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    298. 

  298.         <tr>
    299. 

  299.           <td class="memname">GLM_DEPRECATED GLM_FUNC_DECL vec&lt;L, T, Q&gt; glm::powerOfTwoNearest </td>
    300. 

  300.           <td>(</td>
    301. 

  301.           <td class="paramtype">vec&lt; L, T, Q &gt; const &amp;&#160;</td>
    302. 

  302.           <td class="paramname"><em>value</em></td><td>)</td>
    303. 

  303.           <td></td>
    304. 

  304.         </tr>
    305. 

  305.       </table>
    306. 

  306. </div><div class="memdoc">
    307. 

  307. 

  308. <p>Return the power of two number which value is the closet to the input value. </p>
    309. 

  309. <p>Deprecated, use roundPowerOfTwo from GTC_round instead</p>
    310. 

  310. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00920.html">GLM_GTC_round</a> </dd>
    311. 

  311. <dd>
    312. 

  312. <a class="el" href="a00927.html">GLM_GTX_bit</a> </dd></dl>
    313. 

  313. 

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