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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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<title>Exponential functions</title>
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<!-- Generated by Doxygen 1.7.5.1 -->
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<div id="navrow1" class="tabs">
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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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<div class="header">
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<div class="summary">
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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">Exponential functions</div> </div>
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<div class="ingroups"><a class="el" href="a00139.html">GLM Core</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 genType > </td></tr>
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<tr><td class="memTemplItemLeft" align="right" valign="top">genType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00128.html#ga03903bb9395a13d554a5fbecdf67792b">exp</a> (genType const &x)</td></tr>
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<tr><td class="memTemplParams" colspan="2">template<typename genType > </td></tr>
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<tr><td class="memTemplItemLeft" align="right" valign="top">genType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00128.html#ga18385688b951da01cdc3a22c232e4e28">exp2</a> (genType const &x)</td></tr>
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<tr><td class="memTemplParams" colspan="2">template<typename genType > </td></tr>
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<tr><td class="memTemplItemLeft" align="right" valign="top">genType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00128.html#ga3fd19e045e3943b96e0cdad22fbda111">inversesqrt</a> (genType const &x)</td></tr>
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<tr><td class="memTemplParams" colspan="2">template<typename genType > </td></tr>
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<tr><td class="memTemplItemLeft" align="right" valign="top">genType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00128.html#ga46a307f466090551e328eec42abf61bc">log</a> (genType const &x)</td></tr>
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<tr><td class="memTemplParams" colspan="2">template<typename genType > </td></tr>
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<tr><td class="memTemplItemLeft" align="right" valign="top">genType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00128.html#gae19ff18661b33a0fe1b8edee61382f40">log2</a> (genType const &x)</td></tr>
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<tr><td class="memTemplParams" colspan="2">template<typename genType > </td></tr>
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<tr><td class="memTemplItemLeft" align="right" valign="top">genType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00128.html#gac93ea301c287d87a63fa14a4c44b719b">pow</a> (genType const &x, genType const &y)</td></tr>
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<tr><td class="memTemplParams" colspan="2">template<typename genType > </td></tr>
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<tr><td class="memTemplItemLeft" align="right" valign="top">genType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00128.html#ga9b2fd4f39c29e3d55c4b4087ab873f9f">sqrt</a> (genType const &x)</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>These all operate component-wise. </p>
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<p>The description is per component. </p>
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<hr/><h2>Function Documentation</h2>
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<a class="anchor" id="ga03903bb9395a13d554a5fbecdf67792b"></a><!-- doxytag: member="glm::exp" ref="ga03903bb9395a13d554a5fbecdf67792b" args="(genType const &x)" -->
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<div class="memproto">
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<table class="memname">
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<td class="memname">genType glm::exp </td>
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<td>(</td>
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<td class="paramtype">genType 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>
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<div class="memdoc">
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<p>Returns the natural exponentiation of x, i.e., e^x. </p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table class="params">
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<tr><td class="paramname">x</td><td>exp function is defined for input values of x defined in the range (inf-, inf+) in the limit of the type precision. </td></tr>
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</table>
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</dd>
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</dl>
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<dl><dt><b>Template Parameters:</b></dt><dd>
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<table class="">
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<tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="see"><dt><b>See also:</b></dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/exp.xml">GLSL exp man page</a> </dd>
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<dd>
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<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>
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</div>
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</div>
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<a class="anchor" id="ga18385688b951da01cdc3a22c232e4e28"></a><!-- doxytag: member="glm::exp2" ref="ga18385688b951da01cdc3a22c232e4e28" args="(genType const &x)" -->
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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">genType glm::exp2 </td>
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<td>(</td>
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<td class="paramtype">genType 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 class="memdoc">
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<p>Returns 2 raised to the x power. </p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table class="params">
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<tr><td class="paramname">x</td><td>exp2 function is defined for input values of x defined in the range (inf-, inf+) in the limit of the type precision. </td></tr>
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</table>
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</dd>
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</dl>
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<dl><dt><b>Template Parameters:</b></dt><dd>
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<table class="">
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<tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="see"><dt><b>See also:</b></dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/exp2.xml">GLSL exp2 man page</a> </dd>
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<dd>
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<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>
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</div>
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</div>
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<a class="anchor" id="ga3fd19e045e3943b96e0cdad22fbda111"></a><!-- doxytag: member="glm::inversesqrt" ref="ga3fd19e045e3943b96e0cdad22fbda111" args="(genType const &x)" -->
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<div class="memproto">
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<td class="memname">genType glm::inversesqrt </td>
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<td>(</td>
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<td class="paramtype">genType 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>
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<div class="memdoc">
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<p>Returns the reciprocal of the positive square root of x. </p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table class="params">
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<tr><td class="paramname">x</td><td>inversesqrt function is defined for input values of x defined in the range [0, inf+) in the limit of the type precision. </td></tr>
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</table>
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</dd>
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</dl>
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<dl><dt><b>Template Parameters:</b></dt><dd>
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<table class="">
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<tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="see"><dt><b>See also:</b></dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/inversesqrt.xml">GLSL inversesqrt man page</a> </dd>
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<dd>
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<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>
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</div>
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</div>
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<a class="anchor" id="ga46a307f466090551e328eec42abf61bc"></a><!-- doxytag: member="glm::log" ref="ga46a307f466090551e328eec42abf61bc" args="(genType const &x)" -->
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<td class="memname">genType glm::log </td>
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<td>(</td>
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<td class="paramtype">genType 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 class="memdoc">
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<p>Returns the natural logarithm of x, i.e., returns the value y which satisfies the equation x = e^y. </p>
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<p>Results are undefined if x <= 0.</p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table class="params">
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<tr><td class="paramname">x</td><td>log function is defined for input values of x defined in the range (0, inf+) in the limit of the type precision. </td></tr>
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</table>
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</dd>
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</dl>
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<dl><dt><b>Template Parameters:</b></dt><dd>
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<table class="">
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<tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="see"><dt><b>See also:</b></dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/log.xml">GLSL log man page</a> </dd>
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<dd>
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<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>
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</div>
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</div>
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<a class="anchor" id="gae19ff18661b33a0fe1b8edee61382f40"></a><!-- doxytag: member="glm::log2" ref="gae19ff18661b33a0fe1b8edee61382f40" args="(genType const &x)" -->
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<table class="memname">
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<td class="memname">genType glm::log2 </td>
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<td>(</td>
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<td class="paramtype">genType 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>
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<div class="memdoc">
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<p>Returns the base 2 log of x, i.e., returns the value y, which satisfies the equation x = 2 ^ y. </p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table class="params">
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<tr><td class="paramname">x</td><td>log2 function is defined for input values of x defined in the range (0, inf+) in the limit of the type precision. </td></tr>
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</table>
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</dd>
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</dl>
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<dl><dt><b>Template Parameters:</b></dt><dd>
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<table class="">
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<tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="see"><dt><b>See also:</b></dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/log2.xml">GLSL log2 man page</a> </dd>
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<dd>
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<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>
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</div>
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</div>
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<a class="anchor" id="gac93ea301c287d87a63fa14a4c44b719b"></a><!-- doxytag: member="glm::pow" ref="gac93ea301c287d87a63fa14a4c44b719b" args="(genType const &x, genType const &y)" -->
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<td class="memname">genType glm::pow </td>
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<td>(</td>
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<td class="paramtype">genType const & </td>
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<td class="paramname"><em>x</em>, </td>
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<tr>
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<td class="paramkey"></td>
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<td class="paramtype">genType const & </td>
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<td class="paramname"><em>y</em> </td>
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<tr>
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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>Returns x raised to the y power. </p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table class="params">
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<tr><td class="paramname">x</td><td>pow function is defined for input values of x defined in the range (inf-, inf+) in the limit of the type precision. </td></tr>
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<tr><td class="paramname">y</td><td></td></tr>
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</table>
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</dd>
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</dl>
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<dl><dt><b>Template Parameters:</b></dt><dd>
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<table class="">
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<tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="see"><dt><b>See also:</b></dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/pow.xml">GLSL pow man page</a> </dd>
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<dd>
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<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>
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</div>
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</div>
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<a class="anchor" id="ga9b2fd4f39c29e3d55c4b4087ab873f9f"></a><!-- doxytag: member="glm::sqrt" ref="ga9b2fd4f39c29e3d55c4b4087ab873f9f" args="(genType const &x)" -->
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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">genType glm::sqrt </td>
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<td>(</td>
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<td class="paramtype">genType 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>
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<div class="memdoc">
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<p>Returns the positive square root of x. </p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table class="params">
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<tr><td class="paramname">x</td><td>sqrt function is defined for input values of x defined in the range [0, inf+) in the limit of the type precision. </td></tr>
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</table>
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</dd>
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</dl>
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<dl><dt><b>Template Parameters:</b></dt><dd>
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<table class="">
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<tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="see"><dt><b>See also:</b></dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/sqrt.xml">GLSL sqrt man page</a> </dd>
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<dd>
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<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>
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</div>
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</div>
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<hr class="footer"/><address class="footer"><small>
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