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  36. <a href="#func-members">Functions</a>  </div>
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  37.   <div class="headertitle">
    38. 

  38. <div class="title">GLM_GTX_bit</div>  </div>
    39. 

  39. <div class="ingroups"><a class="el" href="a00139.html">GTX Extensions (Experimental)</a></div></div><!--header-->
    40. 

  40. <div class="contents">
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  41. <table class="memberdecls">
    42. 

  42. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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  43. Functions</h2></td></tr>
    44. 

  44. <tr class="memitem:ga655d3e378520be64a7832cdc8ebf20fb"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
    45. 

  45. <tr class="memitem:ga655d3e378520be64a7832cdc8ebf20fb"><td class="memTemplItemLeft" align="right" valign="top">GLM_DEPRECATED genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00161.html#ga655d3e378520be64a7832cdc8ebf20fb">bitRevert</a> (genType const &amp;value)</td></tr>
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  46. <tr class="separator:ga655d3e378520be64a7832cdc8ebf20fb"><td class="memSeparator" colspan="2">&#160;</td></tr>
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  47. <tr class="memitem:gad9bc7e42a75381c3f6b68b8ba20863d3"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
    48. 

  48. <tr class="memitem:gad9bc7e42a75381c3f6b68b8ba20863d3"><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00161.html#gad9bc7e42a75381c3f6b68b8ba20863d3">bitRotateLeft</a> (genType const &amp;In, std::size_t Shift)</td></tr>
    49. 

  49. <tr class="separator:gad9bc7e42a75381c3f6b68b8ba20863d3"><td class="memSeparator" colspan="2">&#160;</td></tr>
    50. 

  50. <tr class="memitem:gae2ceed046e662a889cd938de3191dd55"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
    51. 

  51. <tr class="memitem:gae2ceed046e662a889cd938de3191dd55"><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00161.html#gae2ceed046e662a889cd938de3191dd55">bitRotateRight</a> (genType const &amp;In, std::size_t Shift)</td></tr>
    52. 

  52. <tr class="separator:gae2ceed046e662a889cd938de3191dd55"><td class="memSeparator" colspan="2">&#160;</td></tr>
    53. 

  53. <tr class="memitem:gaff795f058953fb7369dbca274291f2fe"><td class="memTemplParams" colspan="2">template&lt;typename genIUType , typename sizeType &gt; </td></tr>
    54. 

  54. <tr class="memitem:gaff795f058953fb7369dbca274291f2fe"><td class="memTemplItemLeft" align="right" valign="top">GLM_DEPRECATED genIUType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00161.html#gaff795f058953fb7369dbca274291f2fe">extractField</a> (genIUType const &amp;v, sizeType const &amp;first, sizeType const &amp;count)</td></tr>
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  55. <tr class="separator:gaff795f058953fb7369dbca274291f2fe"><td class="memSeparator" colspan="2">&#160;</td></tr>
    56. 

  56. <tr class="memitem:gaf937428f9e6e9bb2e9214ff3be96cf95"><td class="memTemplParams" colspan="2">template&lt;typename genIUType &gt; </td></tr>
    57. 

  57. <tr class="memitem:gaf937428f9e6e9bb2e9214ff3be96cf95"><td class="memTemplItemLeft" align="right" valign="top">genIUType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00161.html#gaf937428f9e6e9bb2e9214ff3be96cf95">fillBitfieldWithOne</a> (genIUType const &amp;Value, int const &amp;FromBit, int const &amp;ToBit)</td></tr>
    58. 

  58. <tr class="separator:gaf937428f9e6e9bb2e9214ff3be96cf95"><td class="memSeparator" colspan="2">&#160;</td></tr>
    59. 

  59. <tr class="memitem:gabb9c7b3bd390a61437667e5625834a7c"><td class="memTemplParams" colspan="2">template&lt;typename genIUType &gt; </td></tr>
    60. 

  60. <tr class="memitem:gabb9c7b3bd390a61437667e5625834a7c"><td class="memTemplItemLeft" align="right" valign="top">genIUType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00161.html#gabb9c7b3bd390a61437667e5625834a7c">fillBitfieldWithZero</a> (genIUType const &amp;Value, int const &amp;FromBit, int const &amp;ToBit)</td></tr>
    61. 

  61. <tr class="separator:gabb9c7b3bd390a61437667e5625834a7c"><td class="memSeparator" colspan="2">&#160;</td></tr>
    62. 

  62. <tr class="memitem:ga01e02cdbfd0f7487fa800942ac911801"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
    63. 

  63. <tr class="memitem:ga01e02cdbfd0f7487fa800942ac911801"><td class="memTemplItemLeft" align="right" valign="top">GLM_DEPRECATED int&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00161.html#ga01e02cdbfd0f7487fa800942ac911801">highestBit</a> (genType const &amp;value)</td></tr>
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  64. <tr class="separator:ga01e02cdbfd0f7487fa800942ac911801"><td class="memSeparator" colspan="2">&#160;</td></tr>
    65. 

  65. <tr class="memitem:ga485d3ead7f6c624b00cc800c68ab8e08"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
    66. 

  66. <tr class="memitem:ga485d3ead7f6c624b00cc800c68ab8e08"><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00161.html#ga485d3ead7f6c624b00cc800c68ab8e08">highestBitValue</a> (genType const &amp;value)</td></tr>
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  67. <tr class="separator:ga485d3ead7f6c624b00cc800c68ab8e08"><td class="memSeparator" colspan="2">&#160;</td></tr>
    68. 

  68. <tr class="memitem:ga3c0b3e843fa21220f08e801bb558470a"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
    69. 

  69. <tr class="memitem:ga3c0b3e843fa21220f08e801bb558470a"><td class="memTemplItemLeft" align="right" valign="top">bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00161.html#ga3c0b3e843fa21220f08e801bb558470a">isPowerOfTwo</a> (genType const &amp;value)</td></tr>
    70. 

  70. <tr class="separator:ga3c0b3e843fa21220f08e801bb558470a"><td class="memSeparator" colspan="2">&#160;</td></tr>
    71. 

  71. <tr class="memitem:ga760038264d7d0c0e87f05849c8c158cc"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
    72. 

  72. <tr class="memitem:ga760038264d7d0c0e87f05849c8c158cc"><td class="memTemplItemLeft" align="right" valign="top">GLM_DEPRECATED int&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00161.html#ga760038264d7d0c0e87f05849c8c158cc">lowestBit</a> (genType const &amp;value)</td></tr>
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  73. <tr class="separator:ga760038264d7d0c0e87f05849c8c158cc"><td class="memSeparator" colspan="2">&#160;</td></tr>
    74. 

  74. <tr class="memitem:ga0d044f92de0108409d25ebcfea034dcb"><td class="memTemplParams" colspan="2">template&lt;typename genIType &gt; </td></tr>
    75. 

  75. <tr class="memitem:ga0d044f92de0108409d25ebcfea034dcb"><td class="memTemplItemLeft" align="right" valign="top">genIType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00161.html#ga0d044f92de0108409d25ebcfea034dcb">mask</a> (genIType const &amp;count)</td></tr>
    76. 

  76. <tr class="separator:ga0d044f92de0108409d25ebcfea034dcb"><td class="memSeparator" colspan="2">&#160;</td></tr>
    77. 

  77. <tr class="memitem:ga335322b4fcb2e5444ec467a1e7a40301"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
    78. 

  78. <tr class="memitem:ga335322b4fcb2e5444ec467a1e7a40301"><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00161.html#ga335322b4fcb2e5444ec467a1e7a40301">powerOfTwoAbove</a> (genType const &amp;value)</td></tr>
    79. 

  79. <tr class="separator:ga335322b4fcb2e5444ec467a1e7a40301"><td class="memSeparator" colspan="2">&#160;</td></tr>
    80. 

  80. <tr class="memitem:ga4c3ea31127e64ec283fb6cf715b4d9ac"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
    81. 

  81. <tr class="memitem:ga4c3ea31127e64ec283fb6cf715b4d9ac"><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00161.html#ga4c3ea31127e64ec283fb6cf715b4d9ac">powerOfTwoBelow</a> (genType const &amp;value)</td></tr>
    82. 

  82. <tr class="separator:ga4c3ea31127e64ec283fb6cf715b4d9ac"><td class="memSeparator" colspan="2">&#160;</td></tr>
    83. 

  83. <tr class="memitem:ga00cb2e4b82215e4d531ec046c19e2ce7"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
    84. 

  84. <tr class="memitem:ga00cb2e4b82215e4d531ec046c19e2ce7"><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00161.html#ga00cb2e4b82215e4d531ec046c19e2ce7">powerOfTwoNearest</a> (genType const &amp;value)</td></tr>
    85. 

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    86. 

  86. </table>
    87. 

  87. <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
    88. 

  88. <p>Allow to perform bit operations on integer values. </p>
    89. 

  89. <p>&lt;<a class="el" href="a00008.html" title="OpenGL Mathematics (glm.g-truc.net)">glm/gtx/bit.hpp</a>&gt; need to be included to use these functionalities. </p>
    90. 

  90. <h2 class="groupheader">Function Documentation</h2>
    91. 

  91. <a class="anchor" id="ga655d3e378520be64a7832cdc8ebf20fb"></a>
    92. 

  92. <div class="memitem">
    93. 

  93. <div class="memproto">
    94. 

  94.       <table class="memname">
    95. 

  95.         <tr>
    96. 

  96.           <td class="memname">GLM_DEPRECATED genType glm::bitRevert </td>
    97. 

  97.           <td>(</td>
    98. 

  98.           <td class="paramtype">genType const &amp;&#160;</td>
    99. 

  99.           <td class="paramname"><em>value</em></td><td>)</td>
    100. 

  100.           <td></td>
    101. 

  101.         </tr>
    102. 

  102.       </table>
    103. 

  103. </div><div class="memdoc">
    104. 

  104. 

  105. <p>Revert all bits of any integer based type. </p>
    106. 

  106. <dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00161.html" title="Allow to perform bit operations on integer values.">GLM_GTX_bit</a> </dd></dl>
    107. 

  107. 

  108. </div>
    109. 

  109. </div>
    110. 

  110. <a class="anchor" id="gad9bc7e42a75381c3f6b68b8ba20863d3"></a>
    111. 

  111. <div class="memitem">
    112. 

  112. <div class="memproto">
    113. 

  113.       <table class="memname">
    114. 

  114.         <tr>
    115. 

  115.           <td class="memname">genType glm::bitRotateLeft </td>
    116. 

  116.           <td>(</td>
    117. 

  117.           <td class="paramtype">genType const &amp;&#160;</td>
    118. 

  118.           <td class="paramname"><em>In</em>, </td>
    119. 

  119.         </tr>
    120. 

  120.         <tr>
    121. 

  121.           <td class="paramkey"></td>
    122. 

  122.           <td></td>
    123. 

  123.           <td class="paramtype">std::size_t&#160;</td>
    124. 

  124.           <td class="paramname"><em>Shift</em>&#160;</td>
    125. 

  125.         </tr>
    126. 

  126.         <tr>
    127. 

  127.           <td></td>
    128. 

  128.           <td>)</td>
    129. 

  129.           <td></td><td></td>
    130. 

  130.         </tr>
    131. 

  131.       </table>
    132. 

  132. </div><div class="memdoc">
    133. 

  133. 

  134. <p>Rotate all bits to the left. </p>
    135. 

  135. <dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00161.html" title="Allow to perform bit operations on integer values.">GLM_GTX_bit</a> </dd></dl>
    136. 

  136. 

  137. </div>
    138. 

  138. </div>
    139. 

  139. <a class="anchor" id="gae2ceed046e662a889cd938de3191dd55"></a>
    140. 

  140. <div class="memitem">
    141. 

  141. <div class="memproto">
    142. 

  142.       <table class="memname">
    143. 

  143.         <tr>
    144. 

  144.           <td class="memname">genType glm::bitRotateRight </td>
    145. 

  145.           <td>(</td>
    146. 

  146.           <td class="paramtype">genType const &amp;&#160;</td>
    147. 

  147.           <td class="paramname"><em>In</em>, </td>
    148. 

  148.         </tr>
    149. 

  149.         <tr>
    150. 

  150.           <td class="paramkey"></td>
    151. 

  151.           <td></td>
    152. 

  152.           <td class="paramtype">std::size_t&#160;</td>
    153. 

  153.           <td class="paramname"><em>Shift</em>&#160;</td>
    154. 

  154.         </tr>
    155. 

  155.         <tr>
    156. 

  156.           <td></td>
    157. 

  157.           <td>)</td>
    158. 

  158.           <td></td><td></td>
    159. 

  159.         </tr>
    160. 

  160.       </table>
    161. 

  161. </div><div class="memdoc">
    162. 

  162. 

  163. <p>Rotate all bits to the right. </p>
    164. 

  164. <dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00161.html" title="Allow to perform bit operations on integer values.">GLM_GTX_bit</a> </dd></dl>
    165. 

  165. 

  166. </div>
    167. 

  167. </div>
    168. 

  168. <a class="anchor" id="gaff795f058953fb7369dbca274291f2fe"></a>
    169. 

  169. <div class="memitem">
    170. 

  170. <div class="memproto">
    171. 

  171.       <table class="memname">
    172. 

  172.         <tr>
    173. 

  173.           <td class="memname">GLM_DEPRECATED genIUType glm::extractField </td>
    174. 

  174.           <td>(</td>
    175. 

  175.           <td class="paramtype">genIUType const &amp;&#160;</td>
    176. 

  176.           <td class="paramname"><em>v</em>, </td>
    177. 

  177.         </tr>
    178. 

  178.         <tr>
    179. 

  179.           <td class="paramkey"></td>
    180. 

  180.           <td></td>
    181. 

  181.           <td class="paramtype">sizeType const &amp;&#160;</td>
    182. 

  182.           <td class="paramname"><em>first</em>, </td>
    183. 

  183.         </tr>
    184. 

  184.         <tr>
    185. 

  185.           <td class="paramkey"></td>
    186. 

  186.           <td></td>
    187. 

  187.           <td class="paramtype">sizeType const &amp;&#160;</td>
    188. 

  188.           <td class="paramname"><em>count</em>&#160;</td>
    189. 

  189.         </tr>
    190. 

  190.         <tr>
    191. 

  191.           <td></td>
    192. 

  192.           <td>)</td>
    193. 

  193.           <td></td><td></td>
    194. 

  194.         </tr>
    195. 

  195.       </table>
    196. 

  196. </div><div class="memdoc">
    197. 

  197. 

  198. <p>Component wise extraction of bit fields. </p>
    199. 

  199. <p>genType and genIType could be a scalar or a vector. </p>
    200. 

  200. <dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00161.html" title="Allow to perform bit operations on integer values.">GLM_GTX_bit</a> </dd></dl>
    201. 

  201. 

  202. </div>
    203. 

  203. </div>
    204. 

  204. <a class="anchor" id="gaf937428f9e6e9bb2e9214ff3be96cf95"></a>
    205. 

  205. <div class="memitem">
    206. 

  206. <div class="memproto">
    207. 

  207.       <table class="memname">
    208. 

  208.         <tr>
    209. 

  209.           <td class="memname">genIUType glm::fillBitfieldWithOne </td>
    210. 

  210.           <td>(</td>
    211. 

  211.           <td class="paramtype">genIUType const &amp;&#160;</td>
    212. 

  212.           <td class="paramname"><em>Value</em>, </td>
    213. 

  213.         </tr>
    214. 

  214.         <tr>
    215. 

  215.           <td class="paramkey"></td>
    216. 

  216.           <td></td>
    217. 

  217.           <td class="paramtype">int const &amp;&#160;</td>
    218. 

  218.           <td class="paramname"><em>FromBit</em>, </td>
    219. 

  219.         </tr>
    220. 

  220.         <tr>
    221. 

  221.           <td class="paramkey"></td>
    222. 

  222.           <td></td>
    223. 

  223.           <td class="paramtype">int const &amp;&#160;</td>
    224. 

  224.           <td class="paramname"><em>ToBit</em>&#160;</td>
    225. 

  225.         </tr>
    226. 

  226.         <tr>
    227. 

  227.           <td></td>
    228. 

  228.           <td>)</td>
    229. 

  229.           <td></td><td></td>
    230. 

  230.         </tr>
    231. 

  231.       </table>
    232. 

  232. </div><div class="memdoc">
    233. 

  233. 

  234. <p>Set to 1 a range of bits. </p>
    235. 

  235. <dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00161.html" title="Allow to perform bit operations on integer values.">GLM_GTX_bit</a> </dd></dl>
    236. 

  236. 

  237. </div>
    238. 

  238. </div>
    239. 

  239. <a class="anchor" id="gabb9c7b3bd390a61437667e5625834a7c"></a>
    240. 

  240. <div class="memitem">
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  241. <div class="memproto">
    242. 

  242.       <table class="memname">
    243. 

  243.         <tr>
    244. 

  244.           <td class="memname">genIUType glm::fillBitfieldWithZero </td>
    245. 

  245.           <td>(</td>
    246. 

  246.           <td class="paramtype">genIUType const &amp;&#160;</td>
    247. 

  247.           <td class="paramname"><em>Value</em>, </td>
    248. 

  248.         </tr>
    249. 

  249.         <tr>
    250. 

  250.           <td class="paramkey"></td>
    251. 

  251.           <td></td>
    252. 

  252.           <td class="paramtype">int const &amp;&#160;</td>
    253. 

  253.           <td class="paramname"><em>FromBit</em>, </td>
    254. 

  254.         </tr>
    255. 

  255.         <tr>
    256. 

  256.           <td class="paramkey"></td>
    257. 

  257.           <td></td>
    258. 

  258.           <td class="paramtype">int const &amp;&#160;</td>
    259. 

  259.           <td class="paramname"><em>ToBit</em>&#160;</td>
    260. 

  260.         </tr>
    261. 

  261.         <tr>
    262. 

  262.           <td></td>
    263. 

  263.           <td>)</td>
    264. 

  264.           <td></td><td></td>
    265. 

  265.         </tr>
    266. 

  266.       </table>
    267. 

  267. </div><div class="memdoc">
    268. 

  268. 

  269. <p>Set to 0 a range of bits. </p>
    270. 

  270. <dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00161.html" title="Allow to perform bit operations on integer values.">GLM_GTX_bit</a> </dd></dl>
    271. 

  271. 

  272. </div>
    273. 

  273. </div>
    274. 

  274. <a class="anchor" id="ga01e02cdbfd0f7487fa800942ac911801"></a>
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  276. <div class="memproto">
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  277.       <table class="memname">
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  278.         <tr>
    279. 

  279.           <td class="memname">GLM_DEPRECATED int glm::highestBit </td>
    280. 

  280.           <td>(</td>
    281. 

  281.           <td class="paramtype">genType const &amp;&#160;</td>
    282. 

  282.           <td class="paramname"><em>value</em></td><td>)</td>
    283. 

  283.           <td></td>
    284. 

  284.         </tr>
    285. 

  285.       </table>
    286. 

  286. </div><div class="memdoc">
    287. 

  287. 

  288. <p>Find the highest bit set to 1 in a integer variable. </p>
    289. 

  289. <dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00161.html" title="Allow to perform bit operations on integer values.">GLM_GTX_bit</a> </dd></dl>
    290. 

  290. 

  291. </div>
    292. 

  292. </div>
    293. 

  293. <a class="anchor" id="ga485d3ead7f6c624b00cc800c68ab8e08"></a>
    294. 

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  296.       <table class="memname">
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  297.         <tr>
    298. 

  298.           <td class="memname">genType glm::highestBitValue </td>
    299. 

  299.           <td>(</td>
    300. 

  300.           <td class="paramtype">genType const &amp;&#160;</td>
    301. 

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

  302.           <td></td>
    303. 

  303.         </tr>
    304. 

  304.       </table>
    305. 

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

  306. 

  307. <p>Find the highest bit set to 1 in a integer variable and return its value. </p>
    308. 

  308. <dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00161.html" title="Allow to perform bit operations on integer values.">GLM_GTX_bit</a> </dd></dl>
    309. 

  309. 

  310. </div>
    311. 

  311. </div>
    312. 

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    315. 

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    316. 

  316.         <tr>
    317. 

  317.           <td class="memname">bool glm::isPowerOfTwo </td>
    318. 

  318.           <td>(</td>
    319. 

  319.           <td class="paramtype">genType const &amp;&#160;</td>
    320. 

  320.           <td class="paramname"><em>value</em></td><td>)</td>
    321. 

  321.           <td></td>
    322. 

  322.         </tr>
    323. 

  323.       </table>
    324. 

  324. </div><div class="memdoc">
    325. 

  325. 

  326. <p>Return true if the value is a power of two number. </p>
    327. 

  327. <dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00161.html" title="Allow to perform bit operations on integer values.">GLM_GTX_bit</a> </dd></dl>
    328. 

  328. 

  329. </div>
    330. 

  330. </div>
    331. 

  331. <a class="anchor" id="ga760038264d7d0c0e87f05849c8c158cc"></a>
    332. 

  332. <div class="memitem">
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    335. 

  335.         <tr>
    336. 

  336.           <td class="memname">GLM_DEPRECATED int glm::lowestBit </td>
    337. 

  337.           <td>(</td>
    338. 

  338.           <td class="paramtype">genType const &amp;&#160;</td>
    339. 

  339.           <td class="paramname"><em>value</em></td><td>)</td>
    340. 

  340.           <td></td>
    341. 

  341.         </tr>
    342. 

  342.       </table>
    343. 

  343. </div><div class="memdoc">
    344. 

  344. 

  345. <p>Find the lowest bit set to 1 in a integer variable. </p>
    346. 

  346. <dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00161.html" title="Allow to perform bit operations on integer values.">GLM_GTX_bit</a> </dd></dl>
    347. 

  347. 

  348. </div>
    349. 

  349. </div>
    350. 

  350. <a class="anchor" id="ga0d044f92de0108409d25ebcfea034dcb"></a>
    351. 

  351. <div class="memitem">
    352. 

  352. <div class="memproto">
    353. 

  353.       <table class="memname">
    354. 

  354.         <tr>
    355. 

  355.           <td class="memname">genIType glm::mask </td>
    356. 

  356.           <td>(</td>
    357. 

  357.           <td class="paramtype">genIType const &amp;&#160;</td>
    358. 

  358.           <td class="paramname"><em>count</em></td><td>)</td>
    359. 

  359.           <td></td>
    360. 

  360.         </tr>
    361. 

  361.       </table>
    362. 

  362. </div><div class="memdoc">
    363. 

  363. 

  364. <p>Build a mask of 'count' bits. </p>
    365. 

  365. <dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00161.html" title="Allow to perform bit operations on integer values.">GLM_GTX_bit</a> </dd></dl>
    366. 

  366. 

  367. </div>
    368. 

  368. </div>
    369. 

  369. <a class="anchor" id="ga335322b4fcb2e5444ec467a1e7a40301"></a>
    370. 

  370. <div class="memitem">
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  371. <div class="memproto">
    372. 

  372.       <table class="memname">
    373. 

  373.         <tr>
    374. 

  374.           <td class="memname">genType glm::powerOfTwoAbove </td>
    375. 

  375.           <td>(</td>
    376. 

  376.           <td class="paramtype">genType const &amp;&#160;</td>
    377. 

  377.           <td class="paramname"><em>value</em></td><td>)</td>
    378. 

  378.           <td></td>
    379. 

  379.         </tr>
    380. 

  380.       </table>
    381. 

  381. </div><div class="memdoc">
    382. 

  382. 

  383. <p>Return the power of two number which value is just higher the input value. </p>
    384. 

  384. <dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00161.html" title="Allow to perform bit operations on integer values.">GLM_GTX_bit</a> </dd></dl>
    385. 

  385. 

  386. </div>
    387. 

  387. </div>
    388. 

  388. <a class="anchor" id="ga4c3ea31127e64ec283fb6cf715b4d9ac"></a>
    389. 

  389. <div class="memitem">
    390. 

  390. <div class="memproto">
    391. 

  391.       <table class="memname">
    392. 

  392.         <tr>
    393. 

  393.           <td class="memname">genType glm::powerOfTwoBelow </td>
    394. 

  394.           <td>(</td>
    395. 

  395.           <td class="paramtype">genType const &amp;&#160;</td>
    396. 

  396.           <td class="paramname"><em>value</em></td><td>)</td>
    397. 

  397.           <td></td>
    398. 

  398.         </tr>
    399. 

  399.       </table>
    400. 

  400. </div><div class="memdoc">
    401. 

  401. 

  402. <p>Return the power of two number which value is just lower the input value. </p>
    403. 

  403. <dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00161.html" title="Allow to perform bit operations on integer values.">GLM_GTX_bit</a> </dd></dl>
    404. 

  404. 

  405. </div>
    406. 

  406. </div>
    407. 

  407. <a class="anchor" id="ga00cb2e4b82215e4d531ec046c19e2ce7"></a>
    408. 

  408. <div class="memitem">
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    410. 

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    411. 

  411.         <tr>
    412. 

  412.           <td class="memname">genType glm::powerOfTwoNearest </td>
    413. 

  413.           <td>(</td>
    414. 

  414.           <td class="paramtype">genType const &amp;&#160;</td>
    415. 

  415.           <td class="paramname"><em>value</em></td><td>)</td>
    416. 

  416.           <td></td>
    417. 

  417.         </tr>
    418. 

  418.       </table>
    419. 

  419. </div><div class="memdoc">
    420. 

  420. 

  421. <p>Return the power of two number which value is the closet to the input value. </p>
    422. 

  422. <dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00161.html" title="Allow to perform bit operations on integer values.">GLM_GTX_bit</a> </dd></dl>
    423. 

  423. 

  424. </div>
    425. 

  425. </div>
    426. 

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    427. 

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    428. 

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    429. 

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    430. 

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    435.