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    42. 

  42. <div class="title">GLM_GTC_round<div class="ingroups"><a class="el" href="a00160.html">GTC Extensions (Stable)</a></div></div>  </div>
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  47. Functions</h2></td></tr>
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  48. <tr class="memitem:gac84898c466e609cdd2e81d9ba907d9e8"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
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  49. <tr class="memitem:gac84898c466e609cdd2e81d9ba907d9e8"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00180.html#gac84898c466e609cdd2e81d9ba907d9e8">ceilMultiple</a> (genType Source, genType Multiple)</td></tr>
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  51. <tr class="memitem:gafe632af669ac57d670ca18e3665a12ca"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P, template&lt; typename, precision &gt; class vecType&gt; </td></tr>
    52. 

  52. <tr class="memitem:gafe632af669ac57d670ca18e3665a12ca"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00180.html#gafe632af669ac57d670ca18e3665a12ca">ceilMultiple</a> (vecType&lt; T, P &gt; const &amp;Source, vecType&lt; T, P &gt; const &amp;Multiple)</td></tr>
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    54. 

  54. <tr class="memitem:gaa73c7690c787086fa3ac1c312264acab"><td class="memTemplParams" colspan="2">template&lt;typename genIUType &gt; </td></tr>
    55. 

  55. <tr class="memitem:gaa73c7690c787086fa3ac1c312264acab"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genIUType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00180.html#gaa73c7690c787086fa3ac1c312264acab">ceilPowerOfTwo</a> (genIUType Value)</td></tr>
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    58. 

  58. <tr class="memitem:ga76ec9b214ea1376fe09a903e34bab847"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00180.html#ga76ec9b214ea1376fe09a903e34bab847">ceilPowerOfTwo</a> (vecType&lt; T, P &gt; const &amp;value)</td></tr>
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  60. <tr class="memitem:ga9eafb9dbedf84e5cece65c2fe9d5631d"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
    61. 

  61. <tr class="memitem:ga9eafb9dbedf84e5cece65c2fe9d5631d"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00180.html#ga9eafb9dbedf84e5cece65c2fe9d5631d">floorMultiple</a> (genType Source, genType Multiple)</td></tr>
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    64. 

  64. <tr class="memitem:ga6912db42d43873fe1dedb3aed2b7a239"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00180.html#ga6912db42d43873fe1dedb3aed2b7a239">floorMultiple</a> (vecType&lt; T, P &gt; const &amp;Source, vecType&lt; T, P &gt; const &amp;Multiple)</td></tr>
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  67. <tr class="memitem:gac80f6519c31baae10d8d7bea6735d1fa"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genIUType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00180.html#gac80f6519c31baae10d8d7bea6735d1fa">floorPowerOfTwo</a> (genIUType Value)</td></tr>
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    70. 

  70. <tr class="memitem:ga6a5a8f6dd1b2f755e4572bd039062c37"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00180.html#ga6a5a8f6dd1b2f755e4572bd039062c37">floorPowerOfTwo</a> (vecType&lt; T, P &gt; const &amp;value)</td></tr>
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    73. 

  73. <tr class="memitem:gaf7444a7b2eb524f373463ceba76b9326"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00180.html#gaf7444a7b2eb524f373463ceba76b9326">isMultiple</a> (genIUType Value, genIUType Multiple)</td></tr>
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  76. <tr class="memitem:ga50ea5d5dc33fffba39ad6002a3784123"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType&lt; bool, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00180.html#ga50ea5d5dc33fffba39ad6002a3784123">isMultiple</a> (vecType&lt; T, P &gt; const &amp;Value, T Multiple)</td></tr>
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  78. <tr class="memitem:ga7ae705574ef3e3ebfb4f537d8d285c48"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P, template&lt; typename, precision &gt; class vecType&gt; </td></tr>
    79. 

  79. <tr class="memitem:ga7ae705574ef3e3ebfb4f537d8d285c48"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType&lt; bool, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00180.html#ga7ae705574ef3e3ebfb4f537d8d285c48">isMultiple</a> (vecType&lt; T, P &gt; const &amp;Value, vecType&lt; T, P &gt; const &amp;Multiple)</td></tr>
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  81. <tr class="memitem:gaebf826fbb6e0a70eeaab0792d89b25ec"><td class="memTemplParams" colspan="2">template&lt;typename genIUType &gt; </td></tr>
    82. 

  82. <tr class="memitem:gaebf826fbb6e0a70eeaab0792d89b25ec"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00180.html#gaebf826fbb6e0a70eeaab0792d89b25ec">isPowerOfTwo</a> (genIUType Value)</td></tr>
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    84. 

  84. <tr class="memitem:gad454e4c8d8cd73ddc7de855f733a1465"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P, template&lt; typename, precision &gt; class vecType&gt; </td></tr>
    85. 

  85. <tr class="memitem:gad454e4c8d8cd73ddc7de855f733a1465"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType&lt; bool, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00180.html#gad454e4c8d8cd73ddc7de855f733a1465">isPowerOfTwo</a> (vecType&lt; T, P &gt; const &amp;value)</td></tr>
    86. 

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  87. <tr class="memitem:ga6739d1de04b2cea7c78675b365644bce"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
    88. 

  88. <tr class="memitem:ga6739d1de04b2cea7c78675b365644bce"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00180.html#ga6739d1de04b2cea7c78675b365644bce">roundMultiple</a> (genType Source, genType Multiple)</td></tr>
    89. 

  89. <tr class="separator:ga6739d1de04b2cea7c78675b365644bce"><td class="memSeparator" colspan="2">&#160;</td></tr>
    90. 

  90. <tr class="memitem:ga10a8ab7b254257b607b6a3fc68c3e661"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P, template&lt; typename, precision &gt; class vecType&gt; </td></tr>
    91. 

  91. <tr class="memitem:ga10a8ab7b254257b607b6a3fc68c3e661"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00180.html#ga10a8ab7b254257b607b6a3fc68c3e661">roundMultiple</a> (vecType&lt; T, P &gt; const &amp;Source, vecType&lt; T, P &gt; const &amp;Multiple)</td></tr>
    92. 

  92. <tr class="separator:ga10a8ab7b254257b607b6a3fc68c3e661"><td class="memSeparator" colspan="2">&#160;</td></tr>
    93. 

  93. <tr class="memitem:ga6d24a9e3abe3e6a908661b43acb8efe0"><td class="memTemplParams" colspan="2">template&lt;typename genIUType &gt; </td></tr>
    94. 

  94. <tr class="memitem:ga6d24a9e3abe3e6a908661b43acb8efe0"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genIUType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00180.html#ga6d24a9e3abe3e6a908661b43acb8efe0">roundPowerOfTwo</a> (genIUType Value)</td></tr>
    95. 

  95. <tr class="separator:ga6d24a9e3abe3e6a908661b43acb8efe0"><td class="memSeparator" colspan="2">&#160;</td></tr>
    96. 

  96. <tr class="memitem:gae95be3b384f3bbd00c6c1cf0a1f96485"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P, template&lt; typename, precision &gt; class vecType&gt; </td></tr>
    97. 

  97. <tr class="memitem:gae95be3b384f3bbd00c6c1cf0a1f96485"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00180.html#gae95be3b384f3bbd00c6c1cf0a1f96485">roundPowerOfTwo</a> (vecType&lt; T, P &gt; const &amp;value)</td></tr>
    98. 

  98. <tr class="separator:gae95be3b384f3bbd00c6c1cf0a1f96485"><td class="memSeparator" colspan="2">&#160;</td></tr>
    99. 

  99. </table>
    100. 

  100. <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
    101. 

  101. <p>rounding value to specific boundings </p>
    102. 

  102. <p>&lt;<a class="el" href="a00102.html" title="OpenGL Mathematics (glm.g-truc.net) ">glm/gtc/round.hpp</a>&gt; need to be included to use these functionalities. </p>
    103. 

  103. <h2 class="groupheader">Function Documentation</h2>
    104. 

  104. <a class="anchor" id="gac84898c466e609cdd2e81d9ba907d9e8"></a>
    105. 

  105. <div class="memitem">
    106. 

  106. <div class="memproto">
    107. 

  107.       <table class="memname">
    108. 

  108.         <tr>
    109. 

  109.           <td class="memname">GLM_FUNC_DECL genType glm::ceilMultiple </td>
    110. 

  110.           <td>(</td>
    111. 

  111.           <td class="paramtype">genType&#160;</td>
    112. 

  112.           <td class="paramname"><em>Source</em>, </td>
    113. 

  113.         </tr>
    114. 

  114.         <tr>
    115. 

  115.           <td class="paramkey"></td>
    116. 

  116.           <td></td>
    117. 

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

  118.           <td class="paramname"><em>Multiple</em>&#160;</td>
    119. 

  119.         </tr>
    120. 

  120.         <tr>
    121. 

  121.           <td></td>
    122. 

  122.           <td>)</td>
    123. 

  123.           <td></td><td></td>
    124. 

  124.         </tr>
    125. 

  125.       </table>
    126. 

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

  127. 

  128. <p>Higher multiple number of Source. </p>
    129. 

  129. <dl class="tparams"><dt>Template Parameters</dt><dd>
    130. 

  130.   <table class="tparams">
    131. 

  131.     <tr><td class="paramname">genType</td><td>Floating-point or integer scalar or vector types. </td></tr>
    132. 

  132.   </table>
    133. 

  133.   </dd>
    134. 

  134. </dl>
    135. 

  135. <dl class="params"><dt>Parameters</dt><dd>
    136. 

  136.   <table class="params">
    137. 

  137.     <tr><td class="paramname">Source</td><td></td></tr>
    138. 

  138.     <tr><td class="paramname">Multiple</td><td>Must be a null or positive value</td></tr>
    139. 

  139.   </table>
    140. 

  140.   </dd>
    141. 

  141. </dl>
    142. 

  142. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00180.html" title="rounding value to specific boundings ">GLM_GTC_round</a> </dd></dl>
    143. 

  143. 

  144. </div>
    145. 

  145. </div>
    146. 

  146. <a class="anchor" id="gafe632af669ac57d670ca18e3665a12ca"></a>
    147. 

  147. <div class="memitem">
    148. 

  148. <div class="memproto">
    149. 

  149.       <table class="memname">
    150. 

  150.         <tr>
    151. 

  151.           <td class="memname">GLM_FUNC_DECL vecType&lt;T, P&gt; glm::ceilMultiple </td>
    152. 

  152.           <td>(</td>
    153. 

  153.           <td class="paramtype">vecType&lt; T, P &gt; const &amp;&#160;</td>
    154. 

  154.           <td class="paramname"><em>Source</em>, </td>
    155. 

  155.         </tr>
    156. 

  156.         <tr>
    157. 

  157.           <td class="paramkey"></td>
    158. 

  158.           <td></td>
    159. 

  159.           <td class="paramtype">vecType&lt; T, P &gt; const &amp;&#160;</td>
    160. 

  160.           <td class="paramname"><em>Multiple</em>&#160;</td>
    161. 

  161.         </tr>
    162. 

  162.         <tr>
    163. 

  163.           <td></td>
    164. 

  164.           <td>)</td>
    165. 

  165.           <td></td><td></td>
    166. 

  166.         </tr>
    167. 

  167.       </table>
    168. 

  168. </div><div class="memdoc">
    169. 

  169. 

  170. <p>Higher multiple number of Source. </p>
    171. 

  171. <dl class="tparams"><dt>Template Parameters</dt><dd>
    172. 

  172.   <table class="tparams">
    173. 

  173.     <tr><td class="paramname">genType</td><td>Floating-point or integer scalar or vector types. </td></tr>
    174. 

  174.   </table>
    175. 

  175.   </dd>
    176. 

  176. </dl>
    177. 

  177. <dl class="params"><dt>Parameters</dt><dd>
    178. 

  178.   <table class="params">
    179. 

  179.     <tr><td class="paramname">Source</td><td></td></tr>
    180. 

  180.     <tr><td class="paramname">Multiple</td><td>Must be a null or positive value</td></tr>
    181. 

  181.   </table>
    182. 

  182.   </dd>
    183. 

  183. </dl>
    184. 

  184. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00180.html" title="rounding value to specific boundings ">GLM_GTC_round</a> </dd></dl>
    185. 

  185. 

  186. </div>
    187. 

  187. </div>
    188. 

  188. <a class="anchor" id="gaa73c7690c787086fa3ac1c312264acab"></a>
    189. 

  189. <div class="memitem">
    190. 

  190. <div class="memproto">
    191. 

  191.       <table class="memname">
    192. 

  192.         <tr>
    193. 

  193.           <td class="memname">GLM_FUNC_DECL genIUType glm::ceilPowerOfTwo </td>
    194. 

  194.           <td>(</td>
    195. 

  195.           <td class="paramtype">genIUType&#160;</td>
    196. 

  196.           <td class="paramname"><em>Value</em></td><td>)</td>
    197. 

  197.           <td></td>
    198. 

  198.         </tr>
    199. 

  199.       </table>
    200. 

  200. </div><div class="memdoc">
    201. 

  201. 

  202. <p>Return the power of two number which value is just higher the input value, round up to a power of two. </p>
    203. 

  203. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00180.html" title="rounding value to specific boundings ">GLM_GTC_round</a> </dd></dl>
    204. 

  204. 

  205. </div>
    206. 

  206. </div>
    207. 

  207. <a class="anchor" id="ga76ec9b214ea1376fe09a903e34bab847"></a>
    208. 

  208. <div class="memitem">
    209. 

  209. <div class="memproto">
    210. 

  210.       <table class="memname">
    211. 

  211.         <tr>
    212. 

  212.           <td class="memname">GLM_FUNC_DECL vecType&lt;T, P&gt; glm::ceilPowerOfTwo </td>
    213. 

  213.           <td>(</td>
    214. 

  214.           <td class="paramtype">vecType&lt; T, P &gt; const &amp;&#160;</td>
    215. 

  215.           <td class="paramname"><em>value</em></td><td>)</td>
    216. 

  216.           <td></td>
    217. 

  217.         </tr>
    218. 

  218.       </table>
    219. 

  219. </div><div class="memdoc">
    220. 

  220. 

  221. <p>Return the power of two number which value is just higher the input value, round up to a power of two. </p>
    222. 

  222. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00180.html" title="rounding value to specific boundings ">GLM_GTC_round</a> </dd></dl>
    223. 

  223. 

  224. </div>
    225. 

  225. </div>
    226. 

  226. <a class="anchor" id="ga9eafb9dbedf84e5cece65c2fe9d5631d"></a>
    227. 

  227. <div class="memitem">
    228. 

  228. <div class="memproto">
    229. 

  229.       <table class="memname">
    230. 

  230.         <tr>
    231. 

  231.           <td class="memname">GLM_FUNC_DECL genType glm::floorMultiple </td>
    232. 

  232.           <td>(</td>
    233. 

  233.           <td class="paramtype">genType&#160;</td>
    234. 

  234.           <td class="paramname"><em>Source</em>, </td>
    235. 

  235.         </tr>
    236. 

  236.         <tr>
    237. 

  237.           <td class="paramkey"></td>
    238. 

  238.           <td></td>
    239. 

  239.           <td class="paramtype">genType&#160;</td>
    240. 

  240.           <td class="paramname"><em>Multiple</em>&#160;</td>
    241. 

  241.         </tr>
    242. 

  242.         <tr>
    243. 

  243.           <td></td>
    244. 

  244.           <td>)</td>
    245. 

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

  246.         </tr>
    247. 

  247.       </table>
    248. 

  248. </div><div class="memdoc">
    249. 

  249. 

  250. <p>Lower multiple number of Source. </p>
    251. 

  251. <dl class="tparams"><dt>Template Parameters</dt><dd>
    252. 

  252.   <table class="tparams">
    253. 

  253.     <tr><td class="paramname">genType</td><td>Floating-point or integer scalar or vector types. </td></tr>
    254. 

  254.   </table>
    255. 

  255.   </dd>
    256. 

  256. </dl>
    257. 

  257. <dl class="params"><dt>Parameters</dt><dd>
    258. 

  258.   <table class="params">
    259. 

  259.     <tr><td class="paramname">Source</td><td></td></tr>
    260. 

  260.     <tr><td class="paramname">Multiple</td><td>Must be a null or positive value</td></tr>
    261. 

  261.   </table>
    262. 

  262.   </dd>
    263. 

  263. </dl>
    264. 

  264. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00180.html" title="rounding value to specific boundings ">GLM_GTC_round</a> </dd></dl>
    265. 

  265. 

  266. </div>
    267. 

  267. </div>
    268. 

  268. <a class="anchor" id="ga6912db42d43873fe1dedb3aed2b7a239"></a>
    269. 

  269. <div class="memitem">
    270. 

  270. <div class="memproto">
    271. 

  271.       <table class="memname">
    272. 

  272.         <tr>
    273. 

  273.           <td class="memname">GLM_FUNC_DECL vecType&lt;T, P&gt; glm::floorMultiple </td>
    274. 

  274.           <td>(</td>
    275. 

  275.           <td class="paramtype">vecType&lt; T, P &gt; const &amp;&#160;</td>
    276. 

  276.           <td class="paramname"><em>Source</em>, </td>
    277. 

  277.         </tr>
    278. 

  278.         <tr>
    279. 

  279.           <td class="paramkey"></td>
    280. 

  280.           <td></td>
    281. 

  281.           <td class="paramtype">vecType&lt; T, P &gt; const &amp;&#160;</td>
    282. 

  282.           <td class="paramname"><em>Multiple</em>&#160;</td>
    283. 

  283.         </tr>
    284. 

  284.         <tr>
    285. 

  285.           <td></td>
    286. 

  286.           <td>)</td>
    287. 

  287.           <td></td><td></td>
    288. 

  288.         </tr>
    289. 

  289.       </table>
    290. 

  290. </div><div class="memdoc">
    291. 

  291. 

  292. <p>Lower multiple number of Source. </p>
    293. 

  293. <dl class="tparams"><dt>Template Parameters</dt><dd>
    294. 

  294.   <table class="tparams">
    295. 

  295.     <tr><td class="paramname">genType</td><td>Floating-point or integer scalar or vector types. </td></tr>
    296. 

  296.   </table>
    297. 

  297.   </dd>
    298. 

  298. </dl>
    299. 

  299. <dl class="params"><dt>Parameters</dt><dd>
    300. 

  300.   <table class="params">
    301. 

  301.     <tr><td class="paramname">Source</td><td></td></tr>
    302. 

  302.     <tr><td class="paramname">Multiple</td><td>Must be a null or positive value</td></tr>
    303. 

  303.   </table>
    304. 

  304.   </dd>
    305. 

  305. </dl>
    306. 

  306. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00180.html" title="rounding value to specific boundings ">GLM_GTC_round</a> </dd></dl>
    307. 

  307. 

  308. </div>
    309. 

  309. </div>
    310. 

  310. <a class="anchor" id="gac80f6519c31baae10d8d7bea6735d1fa"></a>
    311. 

  311. <div class="memitem">
    312. 

  312. <div class="memproto">
    313. 

  313.       <table class="memname">
    314. 

  314.         <tr>
    315. 

  315.           <td class="memname">GLM_FUNC_DECL genIUType glm::floorPowerOfTwo </td>
    316. 

  316.           <td>(</td>
    317. 

  317.           <td class="paramtype">genIUType&#160;</td>
    318. 

  318.           <td class="paramname"><em>Value</em></td><td>)</td>
    319. 

  319.           <td></td>
    320. 

  320.         </tr>
    321. 

  321.       </table>
    322. 

  322. </div><div class="memdoc">
    323. 

  323. 

  324. <p>Return the power of two number which value is just lower the input value, round down to a power of two. </p>
    325. 

  325. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00180.html" title="rounding value to specific boundings ">GLM_GTC_round</a> </dd></dl>
    326. 

  326. 

  327. </div>
    328. 

  328. </div>
    329. 

  329. <a class="anchor" id="ga6a5a8f6dd1b2f755e4572bd039062c37"></a>
    330. 

  330. <div class="memitem">
    331. 

  331. <div class="memproto">
    332. 

  332.       <table class="memname">
    333. 

  333.         <tr>
    334. 

  334.           <td class="memname">GLM_FUNC_DECL vecType&lt;T, P&gt; glm::floorPowerOfTwo </td>
    335. 

  335.           <td>(</td>
    336. 

  336.           <td class="paramtype">vecType&lt; T, P &gt; const &amp;&#160;</td>
    337. 

  337.           <td class="paramname"><em>value</em></td><td>)</td>
    338. 

  338.           <td></td>
    339. 

  339.         </tr>
    340. 

  340.       </table>
    341. 

  341. </div><div class="memdoc">
    342. 

  342. 

  343. <p>Return the power of two number which value is just lower the input value, round down to a power of two. </p>
    344. 

  344. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00180.html" title="rounding value to specific boundings ">GLM_GTC_round</a> </dd></dl>
    345. 

  345. 

  346. </div>
    347. 

  347. </div>
    348. 

  348. <a class="anchor" id="gaf7444a7b2eb524f373463ceba76b9326"></a>
    349. 

  349. <div class="memitem">
    350. 

  350. <div class="memproto">
    351. 

  351.       <table class="memname">
    352. 

  352.         <tr>
    353. 

  353.           <td class="memname">GLM_FUNC_DECL bool glm::isMultiple </td>
    354. 

  354.           <td>(</td>
    355. 

  355.           <td class="paramtype">genIUType&#160;</td>
    356. 

  356.           <td class="paramname"><em>Value</em>, </td>
    357. 

  357.         </tr>
    358. 

  358.         <tr>
    359. 

  359.           <td class="paramkey"></td>
    360. 

  360.           <td></td>
    361. 

  361.           <td class="paramtype">genIUType&#160;</td>
    362. 

  362.           <td class="paramname"><em>Multiple</em>&#160;</td>
    363. 

  363.         </tr>
    364. 

  364.         <tr>
    365. 

  365.           <td></td>
    366. 

  366.           <td>)</td>
    367. 

  367.           <td></td><td></td>
    368. 

  368.         </tr>
    369. 

  369.       </table>
    370. 

  370. </div><div class="memdoc">
    371. 

  371. 

  372. <p>Return true if the 'Value' is a multiple of 'Multiple'. </p>
    373. 

  373. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00180.html" title="rounding value to specific boundings ">GLM_GTC_round</a> </dd></dl>
    374. 

  374. 

  375. </div>
    376. 

  376. </div>
    377. 

  377. <a class="anchor" id="ga50ea5d5dc33fffba39ad6002a3784123"></a>
    378. 

  378. <div class="memitem">
    379. 

  379. <div class="memproto">
    380. 

  380.       <table class="memname">
    381. 

  381.         <tr>
    382. 

  382.           <td class="memname">GLM_FUNC_DECL vecType&lt;bool, P&gt; glm::isMultiple </td>
    383. 

  383.           <td>(</td>
    384. 

  384.           <td class="paramtype">vecType&lt; T, P &gt; const &amp;&#160;</td>
    385. 

  385.           <td class="paramname"><em>Value</em>, </td>
    386. 

  386.         </tr>
    387. 

  387.         <tr>
    388. 

  388.           <td class="paramkey"></td>
    389. 

  389.           <td></td>
    390. 

  390.           <td class="paramtype">T&#160;</td>
    391. 

  391.           <td class="paramname"><em>Multiple</em>&#160;</td>
    392. 

  392.         </tr>
    393. 

  393.         <tr>
    394. 

  394.           <td></td>
    395. 

  395.           <td>)</td>
    396. 

  396.           <td></td><td></td>
    397. 

  397.         </tr>
    398. 

  398.       </table>
    399. 

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

  400. 

  401. <p>Return true if the 'Value' is a multiple of 'Multiple'. </p>
    402. 

  402. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00180.html" title="rounding value to specific boundings ">GLM_GTC_round</a> </dd></dl>
    403. 

  403. 

  404. </div>
    405. 

  405. </div>
    406. 

  406. <a class="anchor" id="ga7ae705574ef3e3ebfb4f537d8d285c48"></a>
    407. 

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

  408. <div class="memproto">
    409. 

  409.       <table class="memname">
    410. 

  410.         <tr>
    411. 

  411.           <td class="memname">GLM_FUNC_DECL vecType&lt;bool, P&gt; glm::isMultiple </td>
    412. 

  412.           <td>(</td>
    413. 

  413.           <td class="paramtype">vecType&lt; T, P &gt; const &amp;&#160;</td>
    414. 

  414.           <td class="paramname"><em>Value</em>, </td>
    415. 

  415.         </tr>
    416. 

  416.         <tr>
    417. 

  417.           <td class="paramkey"></td>
    418. 

  418.           <td></td>
    419. 

  419.           <td class="paramtype">vecType&lt; T, P &gt; const &amp;&#160;</td>
    420. 

  420.           <td class="paramname"><em>Multiple</em>&#160;</td>
    421. 

  421.         </tr>
    422. 

  422.         <tr>
    423. 

  423.           <td></td>
    424. 

  424.           <td>)</td>
    425. 

  425.           <td></td><td></td>
    426. 

  426.         </tr>
    427. 

  427.       </table>
    428. 

  428. </div><div class="memdoc">
    429. 

  429. 

  430. <p>Return true if the 'Value' is a multiple of 'Multiple'. </p>
    431. 

  431. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00180.html" title="rounding value to specific boundings ">GLM_GTC_round</a> </dd></dl>
    432. 

  432. 

  433. </div>
    434. 

  434. </div>
    435. 

  435. <a class="anchor" id="gaebf826fbb6e0a70eeaab0792d89b25ec"></a>
    436. 

  436. <div class="memitem">
    437. 

  437. <div class="memproto">
    438. 

  438.       <table class="memname">
    439. 

  439.         <tr>
    440. 

  440.           <td class="memname">GLM_FUNC_DECL bool glm::isPowerOfTwo </td>
    441. 

  441.           <td>(</td>
    442. 

  442.           <td class="paramtype">genIUType&#160;</td>
    443. 

  443.           <td class="paramname"><em>Value</em></td><td>)</td>
    444. 

  444.           <td></td>
    445. 

  445.         </tr>
    446. 

  446.       </table>
    447. 

  447. </div><div class="memdoc">
    448. 

  448. 

  449. <p>Return true if the value is a power of two number. </p>
    450. 

  450. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00180.html" title="rounding value to specific boundings ">GLM_GTC_round</a> </dd></dl>
    451. 

  451. 

  452. </div>
    453. 

  453. </div>
    454. 

  454. <a class="anchor" id="gad454e4c8d8cd73ddc7de855f733a1465"></a>
    455. 

  455. <div class="memitem">
    456. 

  456. <div class="memproto">
    457. 

  457.       <table class="memname">
    458. 

  458.         <tr>
    459. 

  459.           <td class="memname">GLM_FUNC_DECL vecType&lt;bool, P&gt; glm::isPowerOfTwo </td>
    460. 

  460.           <td>(</td>
    461. 

  461.           <td class="paramtype">vecType&lt; T, P &gt; const &amp;&#160;</td>
    462. 

  462.           <td class="paramname"><em>value</em></td><td>)</td>
    463. 

  463.           <td></td>
    464. 

  464.         </tr>
    465. 

  465.       </table>
    466. 

  466. </div><div class="memdoc">
    467. 

  467. 

  468. <p>Return true if the value is a power of two number. </p>
    469. 

  469. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00180.html" title="rounding value to specific boundings ">GLM_GTC_round</a> </dd></dl>
    470. 

  470. 

  471. </div>
    472. 

  472. </div>
    473. 

  473. <a class="anchor" id="ga6739d1de04b2cea7c78675b365644bce"></a>
    474. 

  474. <div class="memitem">
    475. 

  475. <div class="memproto">
    476. 

  476.       <table class="memname">
    477. 

  477.         <tr>
    478. 

  478.           <td class="memname">GLM_FUNC_DECL genType glm::roundMultiple </td>
    479. 

  479.           <td>(</td>
    480. 

  480.           <td class="paramtype">genType&#160;</td>
    481. 

  481.           <td class="paramname"><em>Source</em>, </td>
    482. 

  482.         </tr>
    483. 

  483.         <tr>
    484. 

  484.           <td class="paramkey"></td>
    485. 

  485.           <td></td>
    486. 

  486.           <td class="paramtype">genType&#160;</td>
    487. 

  487.           <td class="paramname"><em>Multiple</em>&#160;</td>
    488. 

  488.         </tr>
    489. 

  489.         <tr>
    490. 

  490.           <td></td>
    491. 

  491.           <td>)</td>
    492. 

  492.           <td></td><td></td>
    493. 

  493.         </tr>
    494. 

  494.       </table>
    495. 

  495. </div><div class="memdoc">
    496. 

  496. 

  497. <p>Lower multiple number of Source. </p>
    498. 

  498. <dl class="tparams"><dt>Template Parameters</dt><dd>
    499. 

  499.   <table class="tparams">
    500. 

  500.     <tr><td class="paramname">genType</td><td>Floating-point or integer scalar or vector types. </td></tr>
    501. 

  501.   </table>
    502. 

  502.   </dd>
    503. 

  503. </dl>
    504. 

  504. <dl class="params"><dt>Parameters</dt><dd>
    505. 

  505.   <table class="params">
    506. 

  506.     <tr><td class="paramname">Source</td><td></td></tr>
    507. 

  507.     <tr><td class="paramname">Multiple</td><td>Must be a null or positive value</td></tr>
    508. 

  508.   </table>
    509. 

  509.   </dd>
    510. 

  510. </dl>
    511. 

  511. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00180.html" title="rounding value to specific boundings ">GLM_GTC_round</a> </dd></dl>
    512. 

  512. 

  513. </div>
    514. 

  514. </div>
    515. 

  515. <a class="anchor" id="ga10a8ab7b254257b607b6a3fc68c3e661"></a>
    516. 

  516. <div class="memitem">
    517. 

  517. <div class="memproto">
    518. 

  518.       <table class="memname">
    519. 

  519.         <tr>
    520. 

  520.           <td class="memname">GLM_FUNC_DECL vecType&lt;T, P&gt; glm::roundMultiple </td>
    521. 

  521.           <td>(</td>
    522. 

  522.           <td class="paramtype">vecType&lt; T, P &gt; const &amp;&#160;</td>
    523. 

  523.           <td class="paramname"><em>Source</em>, </td>
    524. 

  524.         </tr>
    525. 

  525.         <tr>
    526. 

  526.           <td class="paramkey"></td>
    527. 

  527.           <td></td>
    528. 

  528.           <td class="paramtype">vecType&lt; T, P &gt; const &amp;&#160;</td>
    529. 

  529.           <td class="paramname"><em>Multiple</em>&#160;</td>
    530. 

  530.         </tr>
    531. 

  531.         <tr>
    532. 

  532.           <td></td>
    533. 

  533.           <td>)</td>
    534. 

  534.           <td></td><td></td>
    535. 

  535.         </tr>
    536. 

  536.       </table>
    537. 

  537. </div><div class="memdoc">
    538. 

  538. 

  539. <p>Lower multiple number of Source. </p>
    540. 

  540. <dl class="tparams"><dt>Template Parameters</dt><dd>
    541. 

  541.   <table class="tparams">
    542. 

  542.     <tr><td class="paramname">genType</td><td>Floating-point or integer scalar or vector types. </td></tr>
    543. 

  543.   </table>
    544. 

  544.   </dd>
    545. 

  545. </dl>
    546. 

  546. <dl class="params"><dt>Parameters</dt><dd>
    547. 

  547.   <table class="params">
    548. 

  548.     <tr><td class="paramname">Source</td><td></td></tr>
    549. 

  549.     <tr><td class="paramname">Multiple</td><td>Must be a null or positive value</td></tr>
    550. 

  550.   </table>
    551. 

  551.   </dd>
    552. 

  552. </dl>
    553. 

  553. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00180.html" title="rounding value to specific boundings ">GLM_GTC_round</a> </dd></dl>
    554. 

  554. 

  555. </div>
    556. 

  556. </div>
    557. 

  557. <a class="anchor" id="ga6d24a9e3abe3e6a908661b43acb8efe0"></a>
    558. 

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    560. 

  560.       <table class="memname">
    561. 

  561.         <tr>
    562. 

  562.           <td class="memname">GLM_FUNC_DECL genIUType glm::roundPowerOfTwo </td>
    563. 

  563.           <td>(</td>
    564. 

  564.           <td class="paramtype">genIUType&#160;</td>
    565. 

  565.           <td class="paramname"><em>Value</em></td><td>)</td>
    566. 

  566.           <td></td>
    567. 

  567.         </tr>
    568. 

  568.       </table>
    569. 

  569. </div><div class="memdoc">
    570. 

  570. 

  571. <p>Return the power of two number which value is the closet to the input value. </p>
    572. 

  572. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00180.html" title="rounding value to specific boundings ">GLM_GTC_round</a> </dd></dl>
    573. 

  573. 

  574. </div>
    575. 

  575. </div>
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  576. <a class="anchor" id="gae95be3b384f3bbd00c6c1cf0a1f96485"></a>
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    579. 

  579.       <table class="memname">
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  580.         <tr>
    581. 

  581.           <td class="memname">GLM_FUNC_DECL vecType&lt;T, P&gt; glm::roundPowerOfTwo </td>
    582. 

  582.           <td>(</td>
    583. 

  583.           <td class="paramtype">vecType&lt; T, P &gt; const &amp;&#160;</td>
    584. 

  584.           <td class="paramname"><em>value</em></td><td>)</td>
    585. 

  585.           <td></td>
    586. 

  586.         </tr>
    587. 

  587.       </table>
    588. 

  588. </div><div class="memdoc">
    589. 

  589. 

  590. <p>Return the power of two number which value is the closet to the input value. </p>
    591. 

  591. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00180.html" title="rounding value to specific boundings ">GLM_GTC_round</a> </dd></dl>
    592. 

  592. 

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