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<title>0.9.8: Exponential functions</title>
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<div id="projectname">0.9.8
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</td>
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</tr>
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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 class="ingroups"><a class="el" href="a00156.html">GLM Core</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:ga25e54a7f44fc49ec6ac6ffc7675cf04a"><td class="memTemplParams" colspan="2">template<typename T , precision P, template< typename, precision > class vecType> </td></tr>
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<tr class="memitem:ga25e54a7f44fc49ec6ac6ffc7675cf04a"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType< T, P > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00147.html#ga25e54a7f44fc49ec6ac6ffc7675cf04a">exp</a> (vecType< T, P > const &v)</td></tr>
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<tr class="separator:ga25e54a7f44fc49ec6ac6ffc7675cf04a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga42ca440d9062f1f456f5a9e896378f9c"><td class="memTemplParams" colspan="2">template<typename T , precision P, template< typename, precision > class vecType> </td></tr>
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<tr class="memitem:ga42ca440d9062f1f456f5a9e896378f9c"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType< T, P > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00147.html#ga42ca440d9062f1f456f5a9e896378f9c">exp2</a> (vecType< T, P > const &v)</td></tr>
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<tr class="separator:ga42ca440d9062f1f456f5a9e896378f9c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga599103d4fe4ef2234761ba8da7268627"><td class="memTemplParams" colspan="2">template<typename T , precision P, template< typename, precision > class vecType> </td></tr>
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<tr class="memitem:ga599103d4fe4ef2234761ba8da7268627"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType< T, P > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00147.html#ga599103d4fe4ef2234761ba8da7268627">inversesqrt</a> (vecType< T, P > const &v)</td></tr>
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<tr class="separator:ga599103d4fe4ef2234761ba8da7268627"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga21efca311e62d233de0ae96bab126b83"><td class="memTemplParams" colspan="2">template<typename T , precision P, template< typename, precision > class vecType> </td></tr>
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<tr class="memitem:ga21efca311e62d233de0ae96bab126b83"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType< T, P > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00147.html#ga21efca311e62d233de0ae96bab126b83">log</a> (vecType< T, P > const &v)</td></tr>
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<tr class="separator:ga21efca311e62d233de0ae96bab126b83"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gabae30945338a555a03733f00dad95d0d"><td class="memTemplParams" colspan="2">template<typename T , precision P, template< typename, precision > class vecType> </td></tr>
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<tr class="memitem:gabae30945338a555a03733f00dad95d0d"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType< T, P > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00147.html#gabae30945338a555a03733f00dad95d0d">log2</a> (vecType< T, P > const &v)</td></tr>
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<tr class="separator:gabae30945338a555a03733f00dad95d0d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga082b332a4b7c6ad1d43e09ff19e214dd"><td class="memTemplParams" colspan="2">template<typename T , precision P, template< typename, precision > class vecType> </td></tr>
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<tr class="memitem:ga082b332a4b7c6ad1d43e09ff19e214dd"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType< T, P > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00147.html#ga082b332a4b7c6ad1d43e09ff19e214dd">pow</a> (vecType< T, P > const &base, vecType< T, P > const &exponent)</td></tr>
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<tr class="separator:ga082b332a4b7c6ad1d43e09ff19e214dd"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gae7ac2e44c14d4e8004098d0bfba6e2b8"><td class="memTemplParams" colspan="2">template<typename T , precision P, template< typename, precision > class vecType> </td></tr>
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<tr class="memitem:gae7ac2e44c14d4e8004098d0bfba6e2b8"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType< T, P > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00147.html#gae7ac2e44c14d4e8004098d0bfba6e2b8">sqrt</a> (vecType< T, P > const &v)</td></tr>
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<tr class="separator:gae7ac2e44c14d4e8004098d0bfba6e2b8"><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>These all operate component-wise. </p>
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<p>The description is per component. </p>
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<h2 class="groupheader">Function Documentation</h2>
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<a class="anchor" id="ga25e54a7f44fc49ec6ac6ffc7675cf04a"></a>
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<table class="memname">
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<td class="memname">GLM_FUNC_DECL vecType<T, P> glm::exp </td>
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<td>(</td>
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<td class="paramtype">vecType< T, P > const & </td>
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<td class="paramname"><em>v</em></td><td>)</td>
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<td></td>
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</table>
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</div><div class="memdoc">
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<p>Returns the natural exponentiation of x, i.e., e^x. </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">v</td><td>exp function is defined for input values of v 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 class="tparams"><dt>Template Parameters</dt><dd>
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<table class="tparams">
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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="section see"><dt>See also</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="ga42ca440d9062f1f456f5a9e896378f9c"></a>
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<table class="memname">
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<td class="memname">GLM_FUNC_DECL vecType<T, P> glm::exp2 </td>
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<td>(</td>
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<td class="paramtype">vecType< T, P > const & </td>
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<td class="paramname"><em>v</em></td><td>)</td>
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<td></td>
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</table>
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</div><div class="memdoc">
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<p>Returns 2 raised to the v power. </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">v</td><td>exp2 function is defined for input values of v 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 class="tparams"><dt>Template Parameters</dt><dd>
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<table class="tparams">
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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="section see"><dt>See also</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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<a class="anchor" id="ga599103d4fe4ef2234761ba8da7268627"></a>
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<td class="memname">GLM_FUNC_DECL vecType<T, P> glm::inversesqrt </td>
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<td>(</td>
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<td class="paramtype">vecType< T, P > const & </td>
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<td class="paramname"><em>v</em></td><td>)</td>
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<td></td>
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</table>
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</div><div class="memdoc">
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<p>Returns the reciprocal of the positive square root of v. </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">v</td><td>inversesqrt function is defined for input values of v 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 class="tparams"><dt>Template Parameters</dt><dd>
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<table class="tparams">
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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="section see"><dt>See also</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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<a class="anchor" id="ga21efca311e62d233de0ae96bab126b83"></a>
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<td class="memname">GLM_FUNC_DECL vecType<T, P> glm::log </td>
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<td>(</td>
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<td class="paramtype">vecType< T, P > const & </td>
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<td class="paramname"><em>v</em></td><td>)</td>
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<td></td>
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</table>
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</div><div class="memdoc">
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<p>Returns the natural logarithm of v, i.e., returns the value y which satisfies the equation x = e^y. </p>
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<p>Results are undefined if v <= 0.</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">v</td><td>log function is defined for input values of v 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 class="tparams"><dt>Template Parameters</dt><dd>
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<table class="tparams">
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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="section see"><dt>See also</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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<td class="memname">GLM_FUNC_DECL vecType<T, P> glm::log2 </td>
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<td>(</td>
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<td class="paramtype">vecType< T, P > const & </td>
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<td class="paramname"><em>v</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 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 class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">v</td><td>log2 function is defined for input values of v 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 class="tparams"><dt>Template Parameters</dt><dd>
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<table class="tparams">
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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="section see"><dt>See also</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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<td class="memname">GLM_FUNC_DECL vecType<T, P> glm::pow </td>
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<td>(</td>
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<td class="paramtype">vecType< T, P > const & </td>
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<td class="paramname"><em>base</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">vecType< T, P > const & </td>
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<td class="paramname"><em>exponent</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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||
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<td></td><td></td>
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</tr>
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</table>
|
||
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</div><div class="memdoc">
|
||
|
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||
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<p>Returns 'base' raised to the power 'exponent'. </p>
|
||
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
||
|
|
<table class="params">
|
||
|
|
<tr><td class="paramname">base</td><td>Floating point value. pow function is defined for input values of 'base' defined in the range (inf-, inf+) in the limit of the type precision. </td></tr>
|
||
|
|
<tr><td class="paramname">exponent</td><td>Floating point value representing the 'exponent'. </td></tr>
|
||
|
|
</table>
|
||
|
|
</dd>
|
||
|
|
</dl>
|
||
|
|
<dl class="tparams"><dt>Template Parameters</dt><dd>
|
||
|
|
<table class="tparams">
|
||
|
|
<tr><td class="paramname">genType</td><td>Floating-point scalar or vector types.</td></tr>
|
||
|
|
</table>
|
||
|
|
</dd>
|
||
|
|
</dl>
|
||
|
|
<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/pow.xml">GLSL pow man page</a> </dd>
|
||
|
|
<dd>
|
||
|
|
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>
|
||
|
|
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<a class="anchor" id="gae7ac2e44c14d4e8004098d0bfba6e2b8"></a>
|
||
|
|
<div class="memitem">
|
||
|
|
<div class="memproto">
|
||
|
|
<table class="memname">
|
||
|
|
<tr>
|
||
|
|
<td class="memname">GLM_FUNC_DECL vecType<T, P> glm::sqrt </td>
|
||
|
|
<td>(</td>
|
||
|
|
<td class="paramtype">vecType< T, P > const & </td>
|
||
|
|
<td class="paramname"><em>v</em></td><td>)</td>
|
||
|
|
<td></td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
</div><div class="memdoc">
|
||
|
|
|
||
|
|
<p>Returns the positive square root of v. </p>
|
||
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
||
|
|
<table class="params">
|
||
|
|
<tr><td class="paramname">v</td><td>sqrt function is defined for input values of v defined in the range [0, inf+) in the limit of the type precision. </td></tr>
|
||
|
|
</table>
|
||
|
|
</dd>
|
||
|
|
</dl>
|
||
|
|
<dl class="tparams"><dt>Template Parameters</dt><dd>
|
||
|
|
<table class="tparams">
|
||
|
|
<tr><td class="paramname">genType</td><td>Floating-point scalar or vector types.</td></tr>
|
||
|
|
</table>
|
||
|
|
</dd>
|
||
|
|
</dl>
|
||
|
|
<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/sqrt.xml">GLSL sqrt man page</a> </dd>
|
||
|
|
<dd>
|
||
|
|
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>
|
||
|
|
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
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</a> 1.8.10
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