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  <div class="navpath"><a class="el" href="a00124.html">glm</a>::<a class="el" href="a00150.html">gtx</a>::<a class="el" href="a00168.html">fast_trigonometry</a>
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<h1>glm::gtx::fast_trigonometry Namespace Reference</h1>
<p>GLM_GTX_fast_trigonometry extension: Fast but less accurate implementations of trigonometric functions.  
<a href="#_details">More...</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Functions</h2></td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">T&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00168.html#a4a704d388edfa3912257b69184d730ba">fastAcos</a> (const T &amp;angle)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Faster than the common acos function but less accurate.  <a href="#a4a704d388edfa3912257b69184d730ba"></a><br/></td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">T&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00168.html#a73073afdd18dce08727f232c892c5dcd">fastAsin</a> (const T &amp;angle)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Faster than the common asin function but less accurate.  <a href="#a73073afdd18dce08727f232c892c5dcd"></a><br/></td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">T&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00168.html#a0288bb1ab677dec79ad89e9551c168c5">fastAtan</a> (const T &amp;angle)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Faster than the common atan function but less accurate.  <a href="#a0288bb1ab677dec79ad89e9551c168c5"></a><br/></td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">T&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00168.html#afae71c7958e50cf435f9e73ee4e579f7">fastAtan</a> (const T &amp;y, const T &amp;x)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Faster than the common atan function but less accurate.  <a href="#afae71c7958e50cf435f9e73ee4e579f7"></a><br/></td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">T&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00168.html#a53a9033f33561a2b7133326d721a05cc">fastCos</a> (const T &amp;angle)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Faster than the common cos function but less accurate.  <a href="#a53a9033f33561a2b7133326d721a05cc"></a><br/></td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">T&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00168.html#a0844ea62ea81d215b56449f1b3b4968a">fastSin</a> (const T &amp;angle)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Faster than the common sin function but less accurate.  <a href="#a0844ea62ea81d215b56449f1b3b4968a"></a><br/></td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">T&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00168.html#a311fc8d0d067bf3d229566aae8f81a1a">fastTan</a> (const T &amp;angle)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Faster than the common tan function but less accurate.  <a href="#a311fc8d0d067bf3d229566aae8f81a1a"></a><br/></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>GLM_GTX_fast_trigonometry extension: Fast but less accurate implementations of trigonometric functions. </p>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="a4a704d388edfa3912257b69184d730ba"></a><!-- doxytag: member="glm::gtx::fast_trigonometry::fastAcos" ref="a4a704d388edfa3912257b69184d730ba" args="(const T &amp;angle)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
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          <td class="memname">T glm::gtx::fast_trigonometry::fastAcos </td>
          <td>(</td>
          <td class="paramtype">const T &amp;&nbsp;</td>
          <td class="paramname"> <em>angle</em></td>
          <td>&nbsp;)&nbsp;</td>
          <td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Faster than the common acos function but less accurate. </p>
<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>

</div>
</div>
<a class="anchor" id="a73073afdd18dce08727f232c892c5dcd"></a><!-- doxytag: member="glm::gtx::fast_trigonometry::fastAsin" ref="a73073afdd18dce08727f232c892c5dcd" args="(const T &amp;angle)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">T glm::gtx::fast_trigonometry::fastAsin </td>
          <td>(</td>
          <td class="paramtype">const T &amp;&nbsp;</td>
          <td class="paramname"> <em>angle</em></td>
          <td>&nbsp;)&nbsp;</td>
          <td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Faster than the common asin function but less accurate. </p>
<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>

</div>
</div>
<a class="anchor" id="a0288bb1ab677dec79ad89e9551c168c5"></a><!-- doxytag: member="glm::gtx::fast_trigonometry::fastAtan" ref="a0288bb1ab677dec79ad89e9551c168c5" args="(const T &amp;angle)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">T glm::gtx::fast_trigonometry::fastAtan </td>
          <td>(</td>
          <td class="paramtype">const T &amp;&nbsp;</td>
          <td class="paramname"> <em>angle</em></td>
          <td>&nbsp;)&nbsp;</td>
          <td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Faster than the common atan function but less accurate. </p>
<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>

</div>
</div>
<a class="anchor" id="afae71c7958e50cf435f9e73ee4e579f7"></a><!-- doxytag: member="glm::gtx::fast_trigonometry::fastAtan" ref="afae71c7958e50cf435f9e73ee4e579f7" args="(const T &amp;y, const T &amp;x)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">T glm::gtx::fast_trigonometry::fastAtan </td>
          <td>(</td>
          <td class="paramtype">const T &amp;&nbsp;</td>
          <td class="paramname"> <em>y</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const T &amp;&nbsp;</td>
          <td class="paramname"> <em>x</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Faster than the common atan function but less accurate. </p>
<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>

</div>
</div>
<a class="anchor" id="a53a9033f33561a2b7133326d721a05cc"></a><!-- doxytag: member="glm::gtx::fast_trigonometry::fastCos" ref="a53a9033f33561a2b7133326d721a05cc" args="(const T &amp;angle)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">T glm::gtx::fast_trigonometry::fastCos </td>
          <td>(</td>
          <td class="paramtype">const T &amp;&nbsp;</td>
          <td class="paramname"> <em>angle</em></td>
          <td>&nbsp;)&nbsp;</td>
          <td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Faster than the common cos function but less accurate. </p>
<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>

</div>
</div>
<a class="anchor" id="a0844ea62ea81d215b56449f1b3b4968a"></a><!-- doxytag: member="glm::gtx::fast_trigonometry::fastSin" ref="a0844ea62ea81d215b56449f1b3b4968a" args="(const T &amp;angle)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">T glm::gtx::fast_trigonometry::fastSin </td>
          <td>(</td>
          <td class="paramtype">const T &amp;&nbsp;</td>
          <td class="paramname"> <em>angle</em></td>
          <td>&nbsp;)&nbsp;</td>
          <td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Faster than the common sin function but less accurate. </p>
<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>

</div>
</div>
<a class="anchor" id="a311fc8d0d067bf3d229566aae8f81a1a"></a><!-- doxytag: member="glm::gtx::fast_trigonometry::fastTan" ref="a311fc8d0d067bf3d229566aae8f81a1a" args="(const T &amp;angle)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">T glm::gtx::fast_trigonometry::fastTan </td>
          <td>(</td>
          <td class="paramtype">const T &amp;&nbsp;</td>
          <td class="paramname"> <em>angle</em></td>
          <td>&nbsp;)&nbsp;</td>
          <td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Faster than the common tan function but less accurate. </p>
<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>

</div>
</div>
</div>
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