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189 lines
8.9 KiB
189 lines
8.9 KiB
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<div class="header">
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<a href="#func-members">Functions</a> </div>
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<div class="headertitle">
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<div class="title">GLM_GTC_integer<div class="ingroups"><a class="el" href="a00704.html">Recommended extensions</a></div></div> </div>
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</div><!--header-->
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<div class="contents">
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:ga57824268ebe13a922f1d69a5d37f637f"><td class="memTemplParams" colspan="2">template<length_t L, typename T , qualifier Q> </td></tr>
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<tr class="memitem:ga57824268ebe13a922f1d69a5d37f637f"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec< L, int, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00710.html#ga57824268ebe13a922f1d69a5d37f637f">iround</a> (vec< L, T, Q > const &x)</td></tr>
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<tr class="separator:ga57824268ebe13a922f1d69a5d37f637f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga9bd682e74bfacb005c735305207ec417"><td class="memTemplParams" colspan="2">template<typename genIUType > </td></tr>
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<tr class="memitem:ga9bd682e74bfacb005c735305207ec417"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genIUType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00710.html#ga9bd682e74bfacb005c735305207ec417">log2</a> (genIUType x)</td></tr>
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<tr class="separator:ga9bd682e74bfacb005c735305207ec417"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga6715b9d573972a0f7763d30d45bcaec4"><td class="memTemplParams" colspan="2">template<length_t L, typename T , qualifier Q> </td></tr>
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<tr class="memitem:ga6715b9d573972a0f7763d30d45bcaec4"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec< L, uint, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00710.html#ga6715b9d573972a0f7763d30d45bcaec4">uround</a> (vec< L, T, Q > const &x)</td></tr>
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<tr class="separator:ga6715b9d573972a0f7763d30d45bcaec4"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<p>Include <<a class="el" href="a01355.html" title="GLM_GTC_integer ">glm/gtc/integer.hpp</a>> to use the features of this extension. </p>
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<p>Allow to perform bit operations on integer values </p>
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<h2 class="groupheader">Function Documentation</h2>
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<a id="ga57824268ebe13a922f1d69a5d37f637f"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga57824268ebe13a922f1d69a5d37f637f">◆ </a></span>iround()</h2>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<td class="memname">GLM_FUNC_DECL vec<L, int, Q> glm::iround </td>
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<td>(</td>
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<td class="paramtype">vec< L, T, Q > const & </td>
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<td class="paramname"><em>x</em></td><td>)</td>
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<td></td>
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</tr>
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</div><div class="memdoc">
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<p>Returns a value equal to the nearest integer to x. </p>
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<p>The fraction 0.5 will round in a direction chosen by the implementation, presumably the direction that is fastest.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">x</td><td>The values of the argument must be greater or equal to zero. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
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<table class="tparams">
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<tr><td class="paramname">T</td><td>floating point scalar types.</td></tr>
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</table>
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</dd>
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</dl>
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<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>
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<dd>
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<a class="el" href="a00710.html" title="Include <glm/gtc/integer.hpp> to use the features of this extension. ">GLM_GTC_integer</a> </dd></dl>
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</div>
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</div>
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<a id="ga9bd682e74bfacb005c735305207ec417"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga9bd682e74bfacb005c735305207ec417">◆ </a></span>log2()</h2>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<td class="memname">GLM_FUNC_DECL genIUType glm::log2 </td>
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<td>(</td>
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<td class="paramtype">genIUType </td>
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<td class="paramname"><em>x</em></td><td>)</td>
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<td></td>
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</div><div class="memdoc">
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<p>Returns the log2 of x for integer values. </p>
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<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 <glm/gtc/integer.hpp> to use the features of this extension. ">GLM_GTC_integer</a> </dd></dl>
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</div>
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</div>
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<a id="ga6715b9d573972a0f7763d30d45bcaec4"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga6715b9d573972a0f7763d30d45bcaec4">◆ </a></span>uround()</h2>
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<div class="memitem">
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<div class="memproto">
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<tr>
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<td class="memname">GLM_FUNC_DECL vec<L, uint, Q> glm::uround </td>
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<td>(</td>
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<td class="paramtype">vec< L, T, Q > const & </td>
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<td class="paramname"><em>x</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Returns a value equal to the nearest integer to x. </p>
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<p>The fraction 0.5 will round in a direction chosen by the implementation, presumably the direction that is fastest.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">x</td><td>The values of the argument must be greater or equal to zero. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
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<table class="tparams">
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<tr><td class="paramname">T</td><td>floating point scalar types.</td></tr>
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</table>
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</dd>
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</dl>
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<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>
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<dd>
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<a class="el" href="a00710.html" title="Include <glm/gtc/integer.hpp> to use the features of this extension. ">GLM_GTC_integer</a> </dd></dl>
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