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glm/doc/api-0.9.3/a00143.html
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<title>Exponential functions</title>
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<div class="header">
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<a href="#func-members">Functions</a> </div>
<div class="headertitle">
<h1>Exponential functions</h1> </div>
<div class="ingroups"><a class="el" href="a00154.html">GLM Core</a></div></div>
<div class="contents">
<p>These all operate component-wise.
<a href="#_details">More...</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00143.html#gaa80061d9689b93b512f17ce94872486d">exp</a> (genType const &amp;x)</td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00143.html#ga17f75d674f128eaa4d3412add9fae519">exp2</a> (genType const &amp;x)</td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00143.html#gafbe54a37d696790310da6235488abbc1">inversesqrt</a> (genType const &amp;x)</td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00143.html#ga8f2187cf30923ff51ee68341a194f319">log</a> (genType const &amp;x)</td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00143.html#gaa5dc33fffa41105a680252706d471c36">log2</a> (genType const &amp;x)</td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00143.html#ga291bf218b9487a321a604265a932a3bc">pow</a> (genType const &amp;x, genType const &amp;y)</td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00143.html#gaf9a4f8d8d30594504ddd224af57dd105">sqrt</a> (genType const &amp;x)</td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>These all operate component-wise. </p>
<p>The description is per component. </p>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="gaa80061d9689b93b512f17ce94872486d"></a><!-- doxytag: member="glm::exp" ref="gaa80061d9689b93b512f17ce94872486d" args="(genType const &amp;x)" -->
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<td class="memname">genType glm::exp </td>
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<p>Returns the natural exponentiation of x, i.e., e^x. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<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>
</table>
</dd>
</dl>
<dl><dt><b>Template Parameters:</b></dt><dd>
<table class="">
<tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
</table>
</dd>
</dl>
<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>
<dd>
- <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2</a> </dd></dl>
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<a class="anchor" id="ga17f75d674f128eaa4d3412add9fae519"></a><!-- doxytag: member="glm::exp2" ref="ga17f75d674f128eaa4d3412add9fae519" args="(genType const &amp;x)" -->
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<td class="memname">genType glm::exp2 </td>
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<p>Returns 2 raised to the x power. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<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>
</table>
</dd>
</dl>
<dl><dt><b>Template Parameters:</b></dt><dd>
<table class="">
<tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
</table>
</dd>
</dl>
<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>
<dd>
- <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2</a> </dd></dl>
</div>
</div>
<a class="anchor" id="gafbe54a37d696790310da6235488abbc1"></a><!-- doxytag: member="glm::inversesqrt" ref="gafbe54a37d696790310da6235488abbc1" args="(genType const &amp;x)" -->
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<td class="memname">genType glm::inversesqrt </td>
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<p>Returns the reciprocal of the positive square root of x. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<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>
</table>
</dd>
</dl>
<dl><dt><b>Template Parameters:</b></dt><dd>
<table class="">
<tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
</table>
</dd>
</dl>
<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>
<dd>
- <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2</a> </dd></dl>
</div>
</div>
<a class="anchor" id="ga8f2187cf30923ff51ee68341a194f319"></a><!-- doxytag: member="glm::log" ref="ga8f2187cf30923ff51ee68341a194f319" args="(genType const &amp;x)" -->
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<td class="memname">genType glm::log </td>
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<div class="memdoc">
<p>Returns the natural logarithm of x, i.e., returns the value y which satisfies the equation x = e^y. </p>
<p>Results are undefined if x &lt;= 0.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<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>
</table>
</dd>
</dl>
<dl><dt><b>Template Parameters:</b></dt><dd>
<table class="">
<tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
</table>
</dd>
</dl>
<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>
<dd>
- <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2</a> </dd></dl>
</div>
</div>
<a class="anchor" id="gaa5dc33fffa41105a680252706d471c36"></a><!-- doxytag: member="glm::log2" ref="gaa5dc33fffa41105a680252706d471c36" args="(genType const &amp;x)" -->
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<td class="memname">genType glm::log2 </td>
<td>(</td>
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<div class="memdoc">
<p>Returns the base 2 log of x, i.e., returns the value y, which satisfies the equation x = 2 ^ y. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<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>
</table>
</dd>
</dl>
<dl><dt><b>Template Parameters:</b></dt><dd>
<table class="">
<tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
</table>
</dd>
</dl>
<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>
<dd>
- <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2</a> </dd></dl>
</div>
</div>
<a class="anchor" id="ga291bf218b9487a321a604265a932a3bc"></a><!-- doxytag: member="glm::pow" ref="ga291bf218b9487a321a604265a932a3bc" args="(genType const &amp;x, genType const &amp;y)" -->
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<td class="paramname"><em>x</em>, </td>
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<td class="paramkey"></td>
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<td></td>
<td>)</td>
<td></td><td></td>
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<div class="memdoc">
<p>Returns x raised to the y power. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<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>
<tr><td class="paramname">y</td><td></td></tr>
</table>
</dd>
</dl>
<dl><dt><b>Template Parameters:</b></dt><dd>
<table class="">
<tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
</table>
</dd>
</dl>
<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>
<dd>
- <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2</a> </dd></dl>
</div>
</div>
<a class="anchor" id="gaf9a4f8d8d30594504ddd224af57dd105"></a><!-- doxytag: member="glm::sqrt" ref="gaf9a4f8d8d30594504ddd224af57dd105" args="(genType const &amp;x)" -->
<div class="memitem">
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<td class="memname">genType glm::sqrt </td>
<td>(</td>
<td class="paramtype">genType const &amp;&#160;</td>
<td class="paramname"><em>x</em></td><td>)</td>
<td></td>
</tr>
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<div class="memdoc">
<p>Returns the positive square root of x. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<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>
</table>
</dd>
</dl>
<dl><dt><b>Template Parameters:</b></dt><dd>
<table class="">
<tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
</table>
</dd>
</dl>
<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>
<dd>
- <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2</a> </dd></dl>
</div>
</div>
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