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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/><meta http-equiv="X-UA-Compatible" content="IE=9"/><meta name="generator" content="Doxygen 1.8.14"/><meta name="viewport" content="width=device-width, initial-scale=1"/><title>0.9.9 API documenation: GLM_GTC_integer</title><link href="tabs.css" rel="stylesheet" type="text/css"/><script type="text/javascript" src="jquery.js"></script><script type="text/javascript" src="dynsections.js"></script><link href="search/search.css" rel="stylesheet" type="text/css"/><script type="text/javascript" src="search/searchdata.js"></script><script type="text/javascript" src="search/search.js"></script><link href="doxygen.css" rel="stylesheet" type="text/css" /></head><body><div id="top"><!-- do not remove this div, it is closed by doxygen! --><div id="titlearea"><table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;">  <td id="projectlogo"><img alt="Logo" src="logo-mini.png"/></td>  <td id="projectalign" style="padding-left: 0.5em;">   <div id="projectname">0.9.9 API documenation   </div>  </td> </tr> </tbody></table></div><!-- end header part --><!-- Generated by Doxygen 1.8.14 --><script type="text/javascript">/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */var searchBox = new SearchBox("searchBox", "search",false,'Search');/* @license-end */</script><script type="text/javascript" src="menudata.js"></script><script type="text/javascript" src="menu.js"></script><script type="text/javascript">/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */$(function() {  initMenu('',true,false,'search.php','Search');  $(document).ready(function() { init_search(); });});/* @license-end */</script><div id="main-nav"></div></div><!-- top --><!-- window showing the filter options --><div id="MSearchSelectWindow"     onmouseover="return searchBox.OnSearchSelectShow()"     onmouseout="return searchBox.OnSearchSelectHide()"     onkeydown="return searchBox.OnSearchSelectKey(event)"></div>
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<div class="header">  <div class="summary"><a href="#func-members">Functions</a>  </div>  <div class="headertitle"><div class="title">GLM_GTC_integer<div class="ingroups"><a class="el" href="a00704.html">Recommended extensions</a></div></div>  </div></div><!--header--><div class="contents"><table class="memberdecls"><tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>Functions</h2></td></tr><tr class="memitem:ga57824268ebe13a922f1d69a5d37f637f"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr><tr class="memitem:ga57824268ebe13a922f1d69a5d37f637f"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, int, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00710.html#ga57824268ebe13a922f1d69a5d37f637f">iround</a> (vec&lt; L, T, Q &gt; const &amp;x)</td></tr><tr class="separator:ga57824268ebe13a922f1d69a5d37f637f"><td class="memSeparator" colspan="2">&#160;</td></tr><tr class="memitem:ga9bd682e74bfacb005c735305207ec417"><td class="memTemplParams" colspan="2">template&lt;typename genIUType &gt; </td></tr><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="a00710.html#ga9bd682e74bfacb005c735305207ec417">log2</a> (genIUType x)</td></tr><tr class="separator:ga9bd682e74bfacb005c735305207ec417"><td class="memSeparator" colspan="2">&#160;</td></tr><tr class="memitem:ga6715b9d573972a0f7763d30d45bcaec4"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr><tr class="memitem:ga6715b9d573972a0f7763d30d45bcaec4"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, uint, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00710.html#ga6715b9d573972a0f7763d30d45bcaec4">uround</a> (vec&lt; L, T, Q &gt; const &amp;x)</td></tr><tr class="separator:ga6715b9d573972a0f7763d30d45bcaec4"><td class="memSeparator" colspan="2">&#160;</td></tr></table><a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2><p>Include &lt;<a class="el" href="a01355.html" title="GLM_GTC_integer ">glm/gtc/integer.hpp</a>&gt; to use the features of this extension. </p><p>Allow to perform bit operations on integer values </p><h2 class="groupheader">Function Documentation</h2><a id="ga57824268ebe13a922f1d69a5d37f637f"></a><h2 class="memtitle"><span class="permalink"><a href="#ga57824268ebe13a922f1d69a5d37f637f">&#9670;&nbsp;</a></span>iround()</h2>
<div class="memitem"><div class="memproto">      <table class="memname">        <tr>          <td class="memname">GLM_FUNC_DECL vec&lt;L, int, Q&gt; glm::iround </td>          <td>(</td>          <td class="paramtype">vec&lt; L, T, Q &gt; const &amp;&#160;</td>          <td class="paramname"><em>x</em></td><td>)</td>          <td></td>        </tr>      </table></div><div class="memdoc">
<p>Returns a value equal to the nearest integer to x. </p><p>The fraction 0.5 will round in a direction chosen by the implementation, presumably the direction that is fastest.</p><dl class="params"><dt>Parameters</dt><dd>  <table class="params">    <tr><td class="paramname">x</td><td>The values of the argument must be greater or equal to zero. </td></tr>  </table>  </dd></dl><dl class="tparams"><dt>Template Parameters</dt><dd>  <table class="tparams">    <tr><td class="paramname">T</td><td>floating point scalar types.</td></tr>  </table>  </dd></dl><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><dd><a class="el" href="a00710.html" title="Include &lt;glm/gtc/integer.hpp&gt; to use the features of this extension. ">GLM_GTC_integer</a> </dd></dl>
</div></div><a id="ga9bd682e74bfacb005c735305207ec417"></a><h2 class="memtitle"><span class="permalink"><a href="#ga9bd682e74bfacb005c735305207ec417">&#9670;&nbsp;</a></span>log2()</h2>
<div class="memitem"><div class="memproto">      <table class="memname">        <tr>          <td class="memname">GLM_FUNC_DECL genIUType glm::log2 </td>          <td>(</td>          <td class="paramtype">genIUType&#160;</td>          <td class="paramname"><em>x</em></td><td>)</td>          <td></td>        </tr>      </table></div><div class="memdoc">
<p>Returns the log2 of x for integer values. </p><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="a00710.html" title="Include &lt;glm/gtc/integer.hpp&gt; to use the features of this extension. ">GLM_GTC_integer</a> </dd></dl>
</div></div><a id="ga6715b9d573972a0f7763d30d45bcaec4"></a><h2 class="memtitle"><span class="permalink"><a href="#ga6715b9d573972a0f7763d30d45bcaec4">&#9670;&nbsp;</a></span>uround()</h2>
<div class="memitem"><div class="memproto">      <table class="memname">        <tr>          <td class="memname">GLM_FUNC_DECL vec&lt;L, uint, Q&gt; glm::uround </td>          <td>(</td>          <td class="paramtype">vec&lt; L, T, Q &gt; const &amp;&#160;</td>          <td class="paramname"><em>x</em></td><td>)</td>          <td></td>        </tr>      </table></div><div class="memdoc">
<p>Returns a value equal to the nearest integer to x. </p><p>The fraction 0.5 will round in a direction chosen by the implementation, presumably the direction that is fastest.</p><dl class="params"><dt>Parameters</dt><dd>  <table class="params">    <tr><td class="paramname">x</td><td>The values of the argument must be greater or equal to zero. </td></tr>  </table>  </dd></dl><dl class="tparams"><dt>Template Parameters</dt><dd>  <table class="tparams">    <tr><td class="paramname">T</td><td>floating point scalar types.</td></tr>  </table>  </dd></dl><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><dd><a class="el" href="a00710.html" title="Include &lt;glm/gtc/integer.hpp&gt; to use the features of this extension. ">GLM_GTC_integer</a> </dd></dl>
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