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  74. <div class="header">
  75. <div class="summary">
  76. <a href="#func-members">Functions</a> </div>
  77. <div class="headertitle">
  78. <div class="title">GLM_GTC_integer<div class="ingroups"><a class="el" href="a00156.html">GTC Extensions (Stable)</a></div></div> </div>
  79. </div><!--header-->
  80. <div class="contents">
  81. <p>Allow to perform bit operations on integer values.
  82. <a href="#details">More...</a></p>
  83. <table class="memberdecls">
  84. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
  85. Functions</h2></td></tr>
  86. <tr class="memitem:gac8ed39459ac0506ff45c633d5ce481e5"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier P&gt; </td></tr>
  87. <tr class="memitem:gac8ed39459ac0506ff45c633d5ce481e5"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, int, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00167.html#gac8ed39459ac0506ff45c633d5ce481e5">iround</a> (vec&lt; L, T, P &gt; const &amp;x)</td></tr>
  88. <tr class="memdesc:gac8ed39459ac0506ff45c633d5ce481e5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns a value equal to the nearest integer to x. <a href="a00167.html#gac8ed39459ac0506ff45c633d5ce481e5">More...</a><br /></td></tr>
  89. <tr class="separator:gac8ed39459ac0506ff45c633d5ce481e5"><td class="memSeparator" colspan="2">&#160;</td></tr>
  90. <tr class="memitem:ga9bd682e74bfacb005c735305207ec417"><td class="memTemplParams" colspan="2">template&lt;typename genIUType &gt; </td></tr>
  91. <tr class="memitem:ga9bd682e74bfacb005c735305207ec417"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genIUType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00167.html#ga9bd682e74bfacb005c735305207ec417">log2</a> (genIUType x)</td></tr>
  92. <tr class="memdesc:ga9bd682e74bfacb005c735305207ec417"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the log2 of x for integer values. <a href="a00167.html#ga9bd682e74bfacb005c735305207ec417">More...</a><br /></td></tr>
  93. <tr class="separator:ga9bd682e74bfacb005c735305207ec417"><td class="memSeparator" colspan="2">&#160;</td></tr>
  94. <tr class="memitem:ga75c6fd2a143fc44e5f7b871abad539e0"><td class="memTemplParams" colspan="2">template&lt;typename genIUType &gt; </td></tr>
  95. <tr class="memitem:ga75c6fd2a143fc44e5f7b871abad539e0"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genIUType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00167.html#ga75c6fd2a143fc44e5f7b871abad539e0">mod</a> (genIUType x, genIUType y)</td></tr>
  96. <tr class="memdesc:ga75c6fd2a143fc44e5f7b871abad539e0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Modulus. <a href="a00167.html#ga75c6fd2a143fc44e5f7b871abad539e0">More...</a><br /></td></tr>
  97. <tr class="separator:ga75c6fd2a143fc44e5f7b871abad539e0"><td class="memSeparator" colspan="2">&#160;</td></tr>
  98. <tr class="memitem:gafd8a7555520f33fa102cbdad46d6bbac"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier P&gt; </td></tr>
  99. <tr class="memitem:gafd8a7555520f33fa102cbdad46d6bbac"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, uint, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00167.html#gafd8a7555520f33fa102cbdad46d6bbac">uround</a> (vec&lt; L, T, P &gt; const &amp;x)</td></tr>
  100. <tr class="memdesc:gafd8a7555520f33fa102cbdad46d6bbac"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns a value equal to the nearest integer to x. <a href="a00167.html#gafd8a7555520f33fa102cbdad46d6bbac">More...</a><br /></td></tr>
  101. <tr class="separator:gafd8a7555520f33fa102cbdad46d6bbac"><td class="memSeparator" colspan="2">&#160;</td></tr>
  102. </table>
  103. <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
  104. <p>Allow to perform bit operations on integer values. </p>
  105. <p>&lt;<a class="el" href="a00047.html" title="GLM_GTC_integer ">glm/gtc/integer.hpp</a>&gt; need to be included to use these functionalities. </p>
  106. <h2 class="groupheader">Function Documentation</h2>
  107. <a class="anchor" id="gac8ed39459ac0506ff45c633d5ce481e5"></a>
  108. <div class="memitem">
  109. <div class="memproto">
  110. <table class="memname">
  111. <tr>
  112. <td class="memname">GLM_FUNC_DECL vec&lt;L, int, P&gt; glm::iround </td>
  113. <td>(</td>
  114. <td class="paramtype">vec&lt; L, T, P &gt; const &amp;&#160;</td>
  115. <td class="paramname"><em>x</em></td><td>)</td>
  116. <td></td>
  117. </tr>
  118. </table>
  119. </div><div class="memdoc">
  120. <p>Returns a value equal to the nearest integer to x. </p>
  121. <p>The fraction 0.5 will round in a direction chosen by the implementation, presumably the direction that is fastest.</p>
  122. <dl class="params"><dt>Parameters</dt><dd>
  123. <table class="params">
  124. <tr><td class="paramname">x</td><td>The values of the argument must be greater or equal to zero. </td></tr>
  125. </table>
  126. </dd>
  127. </dl>
  128. <dl class="tparams"><dt>Template Parameters</dt><dd>
  129. <table class="tparams">
  130. <tr><td class="paramname">T</td><td>floating point scalar types.</td></tr>
  131. </table>
  132. </dd>
  133. </dl>
  134. <dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/round.xml">GLSL round man page</a> </dd>
  135. <dd>
  136. <a class="el" href="a00167.html" title="Allow to perform bit operations on integer values. ">GLM_GTC_integer</a> </dd></dl>
  137. </div>
  138. </div>
  139. <a class="anchor" id="ga9bd682e74bfacb005c735305207ec417"></a>
  140. <div class="memitem">
  141. <div class="memproto">
  142. <table class="memname">
  143. <tr>
  144. <td class="memname">GLM_FUNC_DECL genIUType glm::log2 </td>
  145. <td>(</td>
  146. <td class="paramtype">genIUType&#160;</td>
  147. <td class="paramname"><em>x</em></td><td>)</td>
  148. <td></td>
  149. </tr>
  150. </table>
  151. </div><div class="memdoc">
  152. <p>Returns the log2 of x for integer values. </p>
  153. <p>Can be reliably using to compute mipmap count from the texture size. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="a00167.html" title="Allow to perform bit operations on integer values. ">GLM_GTC_integer</a> </dd></dl>
  154. </div>
  155. </div>
  156. <a class="anchor" id="ga75c6fd2a143fc44e5f7b871abad539e0"></a>
  157. <div class="memitem">
  158. <div class="memproto">
  159. <table class="memname">
  160. <tr>
  161. <td class="memname">GLM_FUNC_DECL genIUType glm::mod </td>
  162. <td>(</td>
  163. <td class="paramtype">genIUType&#160;</td>
  164. <td class="paramname"><em>x</em>, </td>
  165. </tr>
  166. <tr>
  167. <td class="paramkey"></td>
  168. <td></td>
  169. <td class="paramtype">genIUType&#160;</td>
  170. <td class="paramname"><em>y</em>&#160;</td>
  171. </tr>
  172. <tr>
  173. <td></td>
  174. <td>)</td>
  175. <td></td><td></td>
  176. </tr>
  177. </table>
  178. </div><div class="memdoc">
  179. <p>Modulus. </p>
  180. <p>Returns x % y for each component in x using the floating point value y.</p>
  181. <dl class="tparams"><dt>Template Parameters</dt><dd>
  182. <table class="tparams">
  183. <tr><td class="paramname">genIUType</td><td>Integer-point scalar or vector types.</td></tr>
  184. </table>
  185. </dd>
  186. </dl>
  187. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00167.html" title="Allow to perform bit operations on integer values. ">GLM_GTC_integer</a> </dd>
  188. <dd>
  189. <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/mod.xml">GLSL mod man page</a> </dd>
  190. <dd>
  191. <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.3 Common Functions</a> </dd></dl>
  192. </div>
  193. </div>
  194. <a class="anchor" id="gafd8a7555520f33fa102cbdad46d6bbac"></a>
  195. <div class="memitem">
  196. <div class="memproto">
  197. <table class="memname">
  198. <tr>
  199. <td class="memname">GLM_FUNC_DECL vec&lt;L, uint, P&gt; glm::uround </td>
  200. <td>(</td>
  201. <td class="paramtype">vec&lt; L, T, P &gt; const &amp;&#160;</td>
  202. <td class="paramname"><em>x</em></td><td>)</td>
  203. <td></td>
  204. </tr>
  205. </table>
  206. </div><div class="memdoc">
  207. <p>Returns a value equal to the nearest integer to x. </p>
  208. <p>The fraction 0.5 will round in a direction chosen by the implementation, presumably the direction that is fastest.</p>
  209. <dl class="params"><dt>Parameters</dt><dd>
  210. <table class="params">
  211. <tr><td class="paramname">x</td><td>The values of the argument must be greater or equal to zero. </td></tr>
  212. </table>
  213. </dd>
  214. </dl>
  215. <dl class="tparams"><dt>Template Parameters</dt><dd>
  216. <table class="tparams">
  217. <tr><td class="paramname">T</td><td>floating point scalar types.</td></tr>
  218. </table>
  219. </dd>
  220. </dl>
  221. <dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/round.xml">GLSL round man page</a> </dd>
  222. <dd>
  223. <a class="el" href="a00167.html" title="Allow to perform bit operations on integer values. ">GLM_GTC_integer</a> </dd></dl>
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