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<div class="header">
  <div class="summary">
<a href="#func-members">Functions</a>  </div>
  <div class="headertitle">
<div class="title">Angle and Trigonometry Functions<div class="ingroups"><a class="el" href="a00280.html">Core features</a></div></div>  </div>
</div><!--header-->
<div class="contents">

<p>Function parameters specified as angle are assumed to be in units of radians.  
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:gacc9b092df8257c68f19c9053703e2563"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:gacc9b092df8257c68f19c9053703e2563"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00373.html#gacc9b092df8257c68f19c9053703e2563">acos</a> (vec&lt; L, T, Q &gt; const &amp;x)</td></tr>
<tr class="memdesc:gacc9b092df8257c68f19c9053703e2563"><td class="mdescLeft">&#160;</td><td class="mdescRight">Arc cosine.  <a href="a00373.html#gacc9b092df8257c68f19c9053703e2563">More...</a><br /></td></tr>
<tr class="separator:gacc9b092df8257c68f19c9053703e2563"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga858f35dc66fd2688f20c52b5f25be76a"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:ga858f35dc66fd2688f20c52b5f25be76a"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00373.html#ga858f35dc66fd2688f20c52b5f25be76a">acosh</a> (vec&lt; L, T, Q &gt; const &amp;x)</td></tr>
<tr class="memdesc:ga858f35dc66fd2688f20c52b5f25be76a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Arc hyperbolic cosine; returns the non-negative inverse of cosh.  <a href="a00373.html#ga858f35dc66fd2688f20c52b5f25be76a">More...</a><br /></td></tr>
<tr class="separator:ga858f35dc66fd2688f20c52b5f25be76a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga0552d2df4865fa8c3d7cfc3ec2caac73"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:ga0552d2df4865fa8c3d7cfc3ec2caac73"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00373.html#ga0552d2df4865fa8c3d7cfc3ec2caac73">asin</a> (vec&lt; L, T, Q &gt; const &amp;x)</td></tr>
<tr class="memdesc:ga0552d2df4865fa8c3d7cfc3ec2caac73"><td class="mdescLeft">&#160;</td><td class="mdescRight">Arc sine.  <a href="a00373.html#ga0552d2df4865fa8c3d7cfc3ec2caac73">More...</a><br /></td></tr>
<tr class="separator:ga0552d2df4865fa8c3d7cfc3ec2caac73"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga3ef16b501ee859fddde88e22192a5950"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:ga3ef16b501ee859fddde88e22192a5950"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00373.html#ga3ef16b501ee859fddde88e22192a5950">asinh</a> (vec&lt; L, T, Q &gt; const &amp;x)</td></tr>
<tr class="memdesc:ga3ef16b501ee859fddde88e22192a5950"><td class="mdescLeft">&#160;</td><td class="mdescRight">Arc hyperbolic sine; returns the inverse of sinh.  <a href="a00373.html#ga3ef16b501ee859fddde88e22192a5950">More...</a><br /></td></tr>
<tr class="separator:ga3ef16b501ee859fddde88e22192a5950"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gac61629f3a4aa14057e7a8cae002291db"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:gac61629f3a4aa14057e7a8cae002291db"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00373.html#gac61629f3a4aa14057e7a8cae002291db">atan</a> (vec&lt; L, T, Q &gt; const &amp;y, vec&lt; L, T, Q &gt; const &amp;x)</td></tr>
<tr class="memdesc:gac61629f3a4aa14057e7a8cae002291db"><td class="mdescLeft">&#160;</td><td class="mdescRight">Arc tangent.  <a href="a00373.html#gac61629f3a4aa14057e7a8cae002291db">More...</a><br /></td></tr>
<tr class="separator:gac61629f3a4aa14057e7a8cae002291db"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga5229f087eaccbc466f1c609ce3107b95"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:ga5229f087eaccbc466f1c609ce3107b95"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00373.html#ga5229f087eaccbc466f1c609ce3107b95">atan</a> (vec&lt; L, T, Q &gt; const &amp;y_over_x)</td></tr>
<tr class="memdesc:ga5229f087eaccbc466f1c609ce3107b95"><td class="mdescLeft">&#160;</td><td class="mdescRight">Arc tangent.  <a href="a00373.html#ga5229f087eaccbc466f1c609ce3107b95">More...</a><br /></td></tr>
<tr class="separator:ga5229f087eaccbc466f1c609ce3107b95"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gabc925650e618357d07da255531658b87"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:gabc925650e618357d07da255531658b87"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00373.html#gabc925650e618357d07da255531658b87">atanh</a> (vec&lt; L, T, Q &gt; const &amp;x)</td></tr>
<tr class="memdesc:gabc925650e618357d07da255531658b87"><td class="mdescLeft">&#160;</td><td class="mdescRight">Arc hyperbolic tangent; returns the inverse of tanh.  <a href="a00373.html#gabc925650e618357d07da255531658b87">More...</a><br /></td></tr>
<tr class="separator:gabc925650e618357d07da255531658b87"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga6a41efc740e3b3c937447d3a6284130e"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:ga6a41efc740e3b3c937447d3a6284130e"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00373.html#ga6a41efc740e3b3c937447d3a6284130e">cos</a> (vec&lt; L, T, Q &gt; const &amp;angle)</td></tr>
<tr class="memdesc:ga6a41efc740e3b3c937447d3a6284130e"><td class="mdescLeft">&#160;</td><td class="mdescRight">The standard trigonometric cosine function.  <a href="a00373.html#ga6a41efc740e3b3c937447d3a6284130e">More...</a><br /></td></tr>
<tr class="separator:ga6a41efc740e3b3c937447d3a6284130e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga4e260e372742c5f517aca196cf1e62b3"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:ga4e260e372742c5f517aca196cf1e62b3"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00373.html#ga4e260e372742c5f517aca196cf1e62b3">cosh</a> (vec&lt; L, T, Q &gt; const &amp;angle)</td></tr>
<tr class="memdesc:ga4e260e372742c5f517aca196cf1e62b3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the hyperbolic cosine function, (exp(x) + exp(-x)) / 2.  <a href="a00373.html#ga4e260e372742c5f517aca196cf1e62b3">More...</a><br /></td></tr>
<tr class="separator:ga4e260e372742c5f517aca196cf1e62b3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga8faec9e303538065911ba8b3caf7326b"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:ga8faec9e303538065911ba8b3caf7326b"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL GLM_CONSTEXPR vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00373.html#ga8faec9e303538065911ba8b3caf7326b">degrees</a> (vec&lt; L, T, Q &gt; const &amp;radians)</td></tr>
<tr class="memdesc:ga8faec9e303538065911ba8b3caf7326b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts radians to degrees and returns the result.  <a href="a00373.html#ga8faec9e303538065911ba8b3caf7326b">More...</a><br /></td></tr>
<tr class="separator:ga8faec9e303538065911ba8b3caf7326b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga6e1db4862c5e25afd553930e2fdd6a68"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:ga6e1db4862c5e25afd553930e2fdd6a68"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL GLM_CONSTEXPR vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00373.html#ga6e1db4862c5e25afd553930e2fdd6a68">radians</a> (vec&lt; L, T, Q &gt; const &amp;degrees)</td></tr>
<tr class="memdesc:ga6e1db4862c5e25afd553930e2fdd6a68"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts degrees to radians and returns the result.  <a href="a00373.html#ga6e1db4862c5e25afd553930e2fdd6a68">More...</a><br /></td></tr>
<tr class="separator:ga6e1db4862c5e25afd553930e2fdd6a68"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga29747fd108cb7292ae5a284f69691a69"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:ga29747fd108cb7292ae5a284f69691a69"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00373.html#ga29747fd108cb7292ae5a284f69691a69">sin</a> (vec&lt; L, T, Q &gt; const &amp;angle)</td></tr>
<tr class="memdesc:ga29747fd108cb7292ae5a284f69691a69"><td class="mdescLeft">&#160;</td><td class="mdescRight">The standard trigonometric sine function.  <a href="a00373.html#ga29747fd108cb7292ae5a284f69691a69">More...</a><br /></td></tr>
<tr class="separator:ga29747fd108cb7292ae5a284f69691a69"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gac7c39ff21809e281552b4dbe46f4a39d"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:gac7c39ff21809e281552b4dbe46f4a39d"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00373.html#gac7c39ff21809e281552b4dbe46f4a39d">sinh</a> (vec&lt; L, T, Q &gt; const &amp;angle)</td></tr>
<tr class="memdesc:gac7c39ff21809e281552b4dbe46f4a39d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the hyperbolic sine function, (exp(x) - exp(-x)) / 2.  <a href="a00373.html#gac7c39ff21809e281552b4dbe46f4a39d">More...</a><br /></td></tr>
<tr class="separator:gac7c39ff21809e281552b4dbe46f4a39d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga293a34cfb9f0115cc606b4a97c84f11f"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:ga293a34cfb9f0115cc606b4a97c84f11f"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00373.html#ga293a34cfb9f0115cc606b4a97c84f11f">tan</a> (vec&lt; L, T, Q &gt; const &amp;angle)</td></tr>
<tr class="memdesc:ga293a34cfb9f0115cc606b4a97c84f11f"><td class="mdescLeft">&#160;</td><td class="mdescRight">The standard trigonometric tangent function.  <a href="a00373.html#ga293a34cfb9f0115cc606b4a97c84f11f">More...</a><br /></td></tr>
<tr class="separator:ga293a34cfb9f0115cc606b4a97c84f11f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaa1bccbfdcbe40ed2ffcddc2aa8bfd0f1"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:gaa1bccbfdcbe40ed2ffcddc2aa8bfd0f1"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00373.html#gaa1bccbfdcbe40ed2ffcddc2aa8bfd0f1">tanh</a> (vec&lt; L, T, Q &gt; const &amp;angle)</td></tr>
<tr class="memdesc:gaa1bccbfdcbe40ed2ffcddc2aa8bfd0f1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the hyperbolic tangent function, sinh(angle) / cosh(angle)  <a href="a00373.html#gaa1bccbfdcbe40ed2ffcddc2aa8bfd0f1">More...</a><br /></td></tr>
<tr class="separator:gaa1bccbfdcbe40ed2ffcddc2aa8bfd0f1"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Function parameters specified as angle are assumed to be in units of radians. </p>
<p>In no case will any of these functions result in a divide by zero error. If the divisor of a ratio is 0, then results will be undefined.</p>
<p>These all operate component-wise. The description is per component.</p>
<p>Include &lt;<a class="el" href="a00160.html" title="Core features ">glm/trigonometric.hpp</a>&gt; to use these core features.</p>
<dl class="section see"><dt>See also</dt><dd>ext_vector_trigonometric </dd></dl>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="gacc9b092df8257c68f19c9053703e2563"></a>
<div class="memitem">
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      <table class="memname">
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          <td class="memname">GLM_FUNC_DECL vec&lt;L, T, Q&gt; glm::acos </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>
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<p>Arc cosine. </p>
<p>Returns an angle whose sine is x. The range of values returned by this function is [0, PI]. Results are undefined if |x| &gt; 1.</p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">L</td><td>Integer between 1 and 4 included that qualify the dimension of the vector </td></tr>
    <tr><td class="paramname">T</td><td>Floating-point scalar types </td></tr>
    <tr><td class="paramname">Q</td><td>Value from qualifier enum</td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/acos.xml">GLSL acos man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a> </dd></dl>

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          <td class="memname">GLM_FUNC_DECL vec&lt;L, T, Q&gt; glm::acosh </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>
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<p>Arc hyperbolic cosine; returns the non-negative inverse of cosh. </p>
<p>Results are undefined if x &lt; 1.</p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">L</td><td>Integer between 1 and 4 included that qualify the dimension of the vector </td></tr>
    <tr><td class="paramname">T</td><td>Floating-point scalar types </td></tr>
    <tr><td class="paramname">Q</td><td>Value from qualifier enum</td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/acosh.xml">GLSL acosh man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a> </dd></dl>

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          <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>
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<p>Arc sine. </p>
<p>Returns an angle whose sine is x. The range of values returned by this function is [-PI/2, PI/2]. Results are undefined if |x| &gt; 1.</p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">L</td><td>Integer between 1 and 4 included that qualify the dimension of the vector </td></tr>
    <tr><td class="paramname">T</td><td>Floating-point scalar types </td></tr>
    <tr><td class="paramname">Q</td><td>Value from qualifier enum</td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/asin.xml">GLSL asin man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a> </dd></dl>

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          <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>
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<p>Arc hyperbolic sine; returns the inverse of sinh. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">L</td><td>Integer between 1 and 4 included that qualify the dimension of the vector </td></tr>
    <tr><td class="paramname">T</td><td>Floating-point scalar types </td></tr>
    <tr><td class="paramname">Q</td><td>Value from qualifier enum</td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/asinh.xml">GLSL asinh man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a> </dd></dl>

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          <td>(</td>
          <td class="paramtype">vec&lt; L, T, Q &gt; const &amp;&#160;</td>
          <td class="paramname"><em>y</em>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
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          <td class="paramname"><em>x</em>&#160;</td>
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          <td></td>
          <td>)</td>
          <td></td><td></td>
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<p>Arc tangent. </p>
<p>Returns an angle whose tangent is y/x. The signs of x and y are used to determine what quadrant the angle is in. The range of values returned by this function is [-PI, PI]. Results are undefined if x and y are both 0.</p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">L</td><td>Integer between 1 and 4 included that qualify the dimension of the vector </td></tr>
    <tr><td class="paramname">T</td><td>Floating-point scalar types </td></tr>
    <tr><td class="paramname">Q</td><td>Value from qualifier enum</td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/atan.xml">GLSL atan man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a> </dd></dl>

<p>Referenced by <a class="el" href="a00017_source.html#l00055">glm::atan2()</a>.</p>

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          <td>(</td>
          <td class="paramtype">vec&lt; L, T, Q &gt; const &amp;&#160;</td>
          <td class="paramname"><em>y_over_x</em></td><td>)</td>
          <td></td>
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<p>Arc tangent. </p>
<p>Returns an angle whose tangent is y_over_x. The range of values returned by this function is [-PI/2, PI/2].</p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">L</td><td>Integer between 1 and 4 included that qualify the dimension of the vector </td></tr>
    <tr><td class="paramname">T</td><td>Floating-point scalar types </td></tr>
    <tr><td class="paramname">Q</td><td>Value from qualifier enum</td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/atan.xml">GLSL atan man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a> </dd></dl>

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          <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>
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<p>Arc hyperbolic tangent; returns the inverse of tanh. </p>
<p>Results are undefined if abs(x) &gt;= 1.</p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">L</td><td>Integer between 1 and 4 included that qualify the dimension of the vector </td></tr>
    <tr><td class="paramname">T</td><td>Floating-point scalar types </td></tr>
    <tr><td class="paramname">Q</td><td>Value from qualifier enum</td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/atanh.xml">GLSL atanh man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a> </dd></dl>

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          <td>(</td>
          <td class="paramtype">vec&lt; L, T, Q &gt; const &amp;&#160;</td>
          <td class="paramname"><em>angle</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
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<p>The standard trigonometric cosine function. </p>
<p>The values returned by this function will range from [-1, 1].</p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">L</td><td>Integer between 1 and 4 included that qualify the dimension of the vector </td></tr>
    <tr><td class="paramname">T</td><td>Floating-point scalar types </td></tr>
    <tr><td class="paramname">Q</td><td>Value from qualifier enum</td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/cos.xml">GLSL cos man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a> </dd></dl>

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          <td>(</td>
          <td class="paramtype">vec&lt; L, T, Q &gt; const &amp;&#160;</td>
          <td class="paramname"><em>angle</em></td><td>)</td>
          <td></td>
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<p>Returns the hyperbolic cosine function, (exp(x) + exp(-x)) / 2. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">L</td><td>Integer between 1 and 4 included that qualify the dimension of the vector </td></tr>
    <tr><td class="paramname">T</td><td>Floating-point scalar types </td></tr>
    <tr><td class="paramname">Q</td><td>Value from qualifier enum</td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/cosh.xml">GLSL cosh man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a> </dd></dl>

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          <td>(</td>
          <td class="paramtype">vec&lt; L, T, Q &gt; const &amp;&#160;</td>
          <td class="paramname"><em>radians</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
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<p>Converts radians to degrees and returns the result. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">L</td><td>Integer between 1 and 4 included that qualify the dimension of the vector </td></tr>
    <tr><td class="paramname">T</td><td>Floating-point scalar types </td></tr>
    <tr><td class="paramname">Q</td><td>Value from qualifier enum</td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/degrees.xml">GLSL degrees man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a> </dd></dl>

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          <td>(</td>
          <td class="paramtype">vec&lt; L, T, Q &gt; const &amp;&#160;</td>
          <td class="paramname"><em>degrees</em></td><td>)</td>
          <td></td>
        </tr>
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<p>Converts degrees to radians and returns the result. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">L</td><td>Integer between 1 and 4 included that qualify the dimension of the vector </td></tr>
    <tr><td class="paramname">T</td><td>Floating-point scalar types </td></tr>
    <tr><td class="paramname">Q</td><td>Value from qualifier enum</td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/radians.xml">GLSL radians man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a> </dd></dl>

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          <td>(</td>
          <td class="paramtype">vec&lt; L, T, Q &gt; const &amp;&#160;</td>
          <td class="paramname"><em>angle</em></td><td>)</td>
          <td></td>
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      </table>
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<p>The standard trigonometric sine function. </p>
<p>The values returned by this function will range from [-1, 1].</p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">L</td><td>Integer between 1 and 4 included that qualify the dimension of the vector </td></tr>
    <tr><td class="paramname">T</td><td>Floating-point scalar types </td></tr>
    <tr><td class="paramname">Q</td><td>Value from qualifier enum</td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/sin.xml">GLSL sin man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a> </dd></dl>

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          <td>(</td>
          <td class="paramtype">vec&lt; L, T, Q &gt; const &amp;&#160;</td>
          <td class="paramname"><em>angle</em></td><td>)</td>
          <td></td>
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<p>Returns the hyperbolic sine function, (exp(x) - exp(-x)) / 2. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">L</td><td>Integer between 1 and 4 included that qualify the dimension of the vector </td></tr>
    <tr><td class="paramname">T</td><td>Floating-point scalar types </td></tr>
    <tr><td class="paramname">Q</td><td>Value from qualifier enum</td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/sinh.xml">GLSL sinh man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a> </dd></dl>

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          <td>(</td>
          <td class="paramtype">vec&lt; L, T, Q &gt; const &amp;&#160;</td>
          <td class="paramname"><em>angle</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
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<p>The standard trigonometric tangent function. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">L</td><td>Integer between 1 and 4 included that qualify the dimension of the vector </td></tr>
    <tr><td class="paramname">T</td><td>Floating-point scalar types </td></tr>
    <tr><td class="paramname">Q</td><td>Value from qualifier enum</td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/tan.xml">GLSL tan man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a> </dd></dl>

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          <td>(</td>
          <td class="paramtype">vec&lt; L, T, Q &gt; const &amp;&#160;</td>
          <td class="paramname"><em>angle</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
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<p>Returns the hyperbolic tangent function, sinh(angle) / cosh(angle) </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">L</td><td>Integer between 1 and 4 included that qualify the dimension of the vector </td></tr>
    <tr><td class="paramname">T</td><td>Floating-point scalar types </td></tr>
    <tr><td class="paramname">Q</td><td>Value from qualifier enum</td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/tanh.xml">GLSL tanh man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.1 Angle and Trigonometry Functions</a> </dd></dl>

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