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235 lines
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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<title>GLM_GTX_fast_trigonometry: Fast trigonometric functions</title>
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<li><a href="index.html"><span>Main Page</span></a></li>
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<li><a href="pages.html"><span>Related Pages</span></a></li>
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<li><a href="modules.html"><span>Modules</span></a></li>
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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_GTX_fast_trigonometry: Fast trigonometric functions</div> </div>
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<div class="ingroups"><a class="el" href="a00137.html">GTX Extensions (Experimental)</a></div></div>
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<div class="contents">
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<table class="memberdecls">
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<tr><td colspan="2"><h2><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr><td class="memTemplParams" colspan="2">template<typename T > </td></tr>
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<tr><td class="memTemplItemLeft" align="right" valign="top">T </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00169.html#ga33b609e0abf9c38548d4381d0540b95b">fastAcos</a> (const T &angle)</td></tr>
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<tr><td class="memTemplParams" colspan="2">template<typename T > </td></tr>
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<tr><td class="memTemplItemLeft" align="right" valign="top">T </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00169.html#gabe1e89bd95ee266f0f6b02e11f0f122c">fastAsin</a> (const T &angle)</td></tr>
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<tr><td class="memTemplParams" colspan="2">template<typename T > </td></tr>
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<tr><td class="memTemplItemLeft" align="right" valign="top">T </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00169.html#gaa788571fc615b131e96c66df01b10e36">fastAtan</a> (const T &y, const T &x)</td></tr>
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<tr><td class="memTemplParams" colspan="2">template<typename T > </td></tr>
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<tr><td class="memTemplItemLeft" align="right" valign="top">T </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00169.html#gab6f0c71fbd1c4cd4c3e4992f3656178f">fastAtan</a> (const T &angle)</td></tr>
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<tr><td class="memTemplParams" colspan="2">template<typename T > </td></tr>
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<tr><td class="memTemplItemLeft" align="right" valign="top">T </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00169.html#gada306b7a16a4e230c28ea0764b325ef0">fastCos</a> (const T &angle)</td></tr>
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<tr><td class="memTemplParams" colspan="2">template<typename T > </td></tr>
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<tr><td class="memTemplItemLeft" align="right" valign="top">T </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00169.html#ga8069d4fb062dc17d93183946cdb3bf3a">fastSin</a> (const T &angle)</td></tr>
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<tr><td class="memTemplParams" colspan="2">template<typename T > </td></tr>
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<tr><td class="memTemplItemLeft" align="right" valign="top">T </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00169.html#gaf9f4798ceb6e0fc0b67bfcab836f0288">fastTan</a> (const T &angle)</td></tr>
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</table>
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<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
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<p>Fast but less accurate implementations of trigonometric functions. </p>
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<p><<a class="el" href="a00025.html" title="OpenGL Mathematics (glm.g-truc.net)">glm/gtx/fast_trigonometry.hpp</a>> need to be included to use these functionalities. </p>
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<hr/><h2>Function Documentation</h2>
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<a class="anchor" id="ga33b609e0abf9c38548d4381d0540b95b"></a><!-- doxytag: member="glm::fastAcos" ref="ga33b609e0abf9c38548d4381d0540b95b" args="(const T &angle)" -->
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<td class="memname">T glm::fastAcos </td>
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<td>(</td>
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<td class="paramtype">const T & </td>
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<td class="paramname"><em>angle</em></td><td>)</td>
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<td></td>
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<div class="memdoc">
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<p>Faster than the common acos function but less accurate. </p>
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<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>
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</div>
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<a class="anchor" id="gabe1e89bd95ee266f0f6b02e11f0f122c"></a><!-- doxytag: member="glm::fastAsin" ref="gabe1e89bd95ee266f0f6b02e11f0f122c" args="(const T &angle)" -->
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<td class="memname">T glm::fastAsin </td>
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<td>(</td>
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<td class="paramtype">const T & </td>
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<td class="paramname"><em>angle</em></td><td>)</td>
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<td></td>
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</div>
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<div class="memdoc">
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<p>Faster than the common asin function but less accurate. </p>
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<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>
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</div>
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</div>
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<a class="anchor" id="gaa788571fc615b131e96c66df01b10e36"></a><!-- doxytag: member="glm::fastAtan" ref="gaa788571fc615b131e96c66df01b10e36" args="(const T &y, const T &x)" -->
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<div class="memitem">
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<table class="memname">
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<tr>
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<td class="memname">T glm::fastAtan </td>
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<td>(</td>
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<td class="paramtype">const T & </td>
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<td class="paramname"><em>y</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const T & </td>
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<td class="paramname"><em>x</em> </td>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div>
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<div class="memdoc">
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<p>Faster than the common atan function but less accurate. </p>
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<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>
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</div>
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</div>
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<a class="anchor" id="gab6f0c71fbd1c4cd4c3e4992f3656178f"></a><!-- doxytag: member="glm::fastAtan" ref="gab6f0c71fbd1c4cd4c3e4992f3656178f" args="(const T &angle)" -->
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<tr>
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<td class="memname">T glm::fastAtan </td>
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<td>(</td>
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<td class="paramtype">const T & </td>
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<td class="paramname"><em>angle</em></td><td>)</td>
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<td></td>
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</div>
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<div class="memdoc">
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<p>Faster than the common atan function but less accurate. </p>
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<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>
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</div>
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<a class="anchor" id="gada306b7a16a4e230c28ea0764b325ef0"></a><!-- doxytag: member="glm::fastCos" ref="gada306b7a16a4e230c28ea0764b325ef0" args="(const T &angle)" -->
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<td class="memname">T glm::fastCos </td>
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<td>(</td>
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<td class="paramtype">const T & </td>
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<td class="paramname"><em>angle</em></td><td>)</td>
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<td></td>
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<p>Faster than the common cos function but less accurate. </p>
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<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>
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</div>
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<a class="anchor" id="ga8069d4fb062dc17d93183946cdb3bf3a"></a><!-- doxytag: member="glm::fastSin" ref="ga8069d4fb062dc17d93183946cdb3bf3a" args="(const T &angle)" -->
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<td class="memname">T glm::fastSin </td>
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<td>(</td>
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<td class="paramtype">const T & </td>
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<td class="paramname"><em>angle</em></td><td>)</td>
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<td></td>
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<div class="memdoc">
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<p>Faster than the common sin function but less accurate. </p>
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<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>
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</div>
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</div>
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<a class="anchor" id="gaf9f4798ceb6e0fc0b67bfcab836f0288"></a><!-- doxytag: member="glm::fastTan" ref="gaf9f4798ceb6e0fc0b67bfcab836f0288" args="(const T &angle)" -->
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<div class="memitem">
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<td class="memname">T glm::fastTan </td>
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<td>(</td>
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<td class="paramtype">const T & </td>
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<td class="paramname"><em>angle</em></td><td>)</td>
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<td></td>
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</div>
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<div class="memdoc">
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<p>Faster than the common tan function but less accurate. </p>
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<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>
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<hr class="footer"/><address class="footer"><small>
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Generated by  <a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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</a> 1.7.5.1
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