<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.15"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>libstdc++: std::gamma_distribution< _RealType > Class Template Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtreedata.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
$(document).ready(initResizable);
/* @license-end */</script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">libstdc++
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.15 -->
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
$(document).ready(function(){initNavTree('a06327.html','');});
/* @license-end */
</script>
<div id="doc-content">
<div class="header">
<div class="summary">
<a href="#nested-classes">Classes</a> |
<a href="#pub-types">Public Types</a> |
<a href="#pub-methods">Public Member Functions</a> |
<a href="#friends">Friends</a> |
<a href="a06324.html">List of all members</a> </div>
<div class="headertitle">
<div class="title">std::gamma_distribution< _RealType > Class Template Reference<div class="ingroups"><a class="el" href="a01476.html">Numerics</a> » <a class="el" href="a01494.html">Random Number Generation</a> » <a class="el" href="a01535.html">Random Number Distributions</a> » <a class="el" href="a01537.html">Normal Distributions</a></div></div> </div>
</div><!--header-->
<div class="contents">
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="a06331.html">param_type</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:aaa49ffe0d995ae8237a5dbad8ac7451c"><td class="memItemLeft" align="right" valign="top">typedef _RealType </td><td class="memItemRight" valign="bottom"><a class="el" href="a06327.html#aaa49ffe0d995ae8237a5dbad8ac7451c">result_type</a></td></tr>
<tr class="separator:aaa49ffe0d995ae8237a5dbad8ac7451c"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:aaf1043f0be5e8da80224d77d62e23999"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a06327.html#aaf1043f0be5e8da80224d77d62e23999">gamma_distribution</a> (_RealType __alpha_val=_RealType(1), _RealType __beta_val=_RealType(1))</td></tr>
<tr class="separator:aaf1043f0be5e8da80224d77d62e23999"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a716fbe00faf4ff9bf131aa5e186f091c"><td class="memItemLeft" align="right" valign="top"><a id="a716fbe00faf4ff9bf131aa5e186f091c"></a>
 </td><td class="memItemRight" valign="bottom"><b>gamma_distribution</b> (const <a class="el" href="a06331.html">param_type</a> &__p)</td></tr>
<tr class="separator:a716fbe00faf4ff9bf131aa5e186f091c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9b423e43e0852d78fc4c83fecaf4021a"><td class="memTemplParams" colspan="2"><a id="a9b423e43e0852d78fc4c83fecaf4021a"></a>
template<typename _ForwardIterator , typename _UniformRandomNumberGenerator > </td></tr>
<tr class="memitem:a9b423e43e0852d78fc4c83fecaf4021a"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>__generate</b> (_ForwardIterator __f, _ForwardIterator __t, _UniformRandomNumberGenerator &__urng)</td></tr>
<tr class="separator:a9b423e43e0852d78fc4c83fecaf4021a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af828b5165eb0c12c333f4643e2fecc03"><td class="memTemplParams" colspan="2"><a id="af828b5165eb0c12c333f4643e2fecc03"></a>
template<typename _ForwardIterator , typename _UniformRandomNumberGenerator > </td></tr>
<tr class="memitem:af828b5165eb0c12c333f4643e2fecc03"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>__generate</b> (_ForwardIterator __f, _ForwardIterator __t, _UniformRandomNumberGenerator &__urng, const <a class="el" href="a06331.html">param_type</a> &__p)</td></tr>
<tr class="separator:af828b5165eb0c12c333f4643e2fecc03"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa4321d7362ca16e98856cbd86f3742b7"><td class="memTemplParams" colspan="2"><a id="aa4321d7362ca16e98856cbd86f3742b7"></a>
template<typename _UniformRandomNumberGenerator > </td></tr>
<tr class="memitem:aa4321d7362ca16e98856cbd86f3742b7"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>__generate</b> (<a class="el" href="a06327.html#aaa49ffe0d995ae8237a5dbad8ac7451c">result_type</a> *__f, <a class="el" href="a06327.html#aaa49ffe0d995ae8237a5dbad8ac7451c">result_type</a> *__t, _UniformRandomNumberGenerator &__urng, const <a class="el" href="a06331.html">param_type</a> &__p)</td></tr>
<tr class="separator:aa4321d7362ca16e98856cbd86f3742b7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a885140ca6e119c2c66130bcdd388038c"><td class="memItemLeft" align="right" valign="top">_RealType </td><td class="memItemRight" valign="bottom"><a class="el" href="a06327.html#a885140ca6e119c2c66130bcdd388038c">alpha</a> () const</td></tr>
<tr class="separator:a885140ca6e119c2c66130bcdd388038c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac68ca29e3655c78cf60ba8159d307d4b"><td class="memItemLeft" align="right" valign="top">_RealType </td><td class="memItemRight" valign="bottom"><a class="el" href="a06327.html#ac68ca29e3655c78cf60ba8159d307d4b">beta</a> () const</td></tr>
<tr class="separator:ac68ca29e3655c78cf60ba8159d307d4b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae00d7ad063d15bb7162da61116552175"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a06327.html#aaa49ffe0d995ae8237a5dbad8ac7451c">result_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a06327.html#ae00d7ad063d15bb7162da61116552175">max</a> () const</td></tr>
<tr class="separator:ae00d7ad063d15bb7162da61116552175"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7dc4b8a5f0edcf447683b93607a8441e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a06327.html#aaa49ffe0d995ae8237a5dbad8ac7451c">result_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a06327.html#a7dc4b8a5f0edcf447683b93607a8441e">min</a> () const</td></tr>
<tr class="separator:a7dc4b8a5f0edcf447683b93607a8441e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a72dba48d3f9781e948c535e37e7eabeb"><td class="memTemplParams" colspan="2">template<typename _UniformRandomNumberGenerator > </td></tr>
<tr class="memitem:a72dba48d3f9781e948c535e37e7eabeb"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="a06327.html#aaa49ffe0d995ae8237a5dbad8ac7451c">result_type</a> </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a06327.html#a72dba48d3f9781e948c535e37e7eabeb">operator()</a> (_UniformRandomNumberGenerator &__urng)</td></tr>
<tr class="separator:a72dba48d3f9781e948c535e37e7eabeb"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a286dd68452eebd137ec7be7852a58fca"><td class="memTemplParams" colspan="2">template<typename _UniformRandomNumberGenerator > </td></tr>
<tr class="memitem:a286dd68452eebd137ec7be7852a58fca"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="a06327.html#aaa49ffe0d995ae8237a5dbad8ac7451c">result_type</a> </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a06327.html#a286dd68452eebd137ec7be7852a58fca">operator()</a> (_UniformRandomNumberGenerator &__urng, const <a class="el" href="a06331.html">param_type</a> &__p)</td></tr>
<tr class="separator:a286dd68452eebd137ec7be7852a58fca"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad8b960699602dcafa9a4ca3895fa776a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a06331.html">param_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a06327.html#ad8b960699602dcafa9a4ca3895fa776a">param</a> () const</td></tr>
<tr class="separator:ad8b960699602dcafa9a4ca3895fa776a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac1e8d68c10521bff382e0a14587d1dc4"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a06327.html#ac1e8d68c10521bff382e0a14587d1dc4">param</a> (const <a class="el" href="a06331.html">param_type</a> &__param)</td></tr>
<tr class="separator:ac1e8d68c10521bff382e0a14587d1dc4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a305329ded629d15f8ff5f84d642357f9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a06327.html#a305329ded629d15f8ff5f84d642357f9">reset</a> ()</td></tr>
<tr class="separator:a305329ded629d15f8ff5f84d642357f9"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="friends"></a>
Friends</h2></td></tr>
<tr class="memitem:a706fe0713381598aee2cf988bc299e5e"><td class="memTemplParams" colspan="2">template<typename _RealType1 , typename _CharT , typename _Traits > </td></tr>
<tr class="memitem:a706fe0713381598aee2cf988bc299e5e"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="a02463.html">std::basic_ostream</a>< _CharT, _Traits > & </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a06327.html#a706fe0713381598aee2cf988bc299e5e">operator<<</a> (<a class="el" href="a02463.html">std::basic_ostream</a>< _CharT, _Traits > &__os, const <a class="el" href="a06327.html">std::gamma_distribution</a>< _RealType1 > &__x)</td></tr>
<tr class="separator:a706fe0713381598aee2cf988bc299e5e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab60504a4db8724aede12258da566aede"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a06327.html#ab60504a4db8724aede12258da566aede">operator==</a> (const <a class="el" href="a06327.html">gamma_distribution</a> &__d1, const <a class="el" href="a06327.html">gamma_distribution</a> &__d2)</td></tr>
<tr class="separator:ab60504a4db8724aede12258da566aede"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abe79b6964f9b74c546de48e9c34c7388"><td class="memTemplParams" colspan="2">template<typename _RealType1 , typename _CharT , typename _Traits > </td></tr>
<tr class="memitem:abe79b6964f9b74c546de48e9c34c7388"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="a02459.html">std::basic_istream</a>< _CharT, _Traits > & </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a06327.html#abe79b6964f9b74c546de48e9c34c7388">operator>></a> (<a class="el" href="a02459.html">std::basic_istream</a>< _CharT, _Traits > &__is, <a class="el" href="a06327.html">std::gamma_distribution</a>< _RealType1 > &__x)</td></tr>
<tr class="separator:abe79b6964f9b74c546de48e9c34c7388"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template<typename _RealType = double><br />
class std::gamma_distribution< _RealType ></h3>
<p>A gamma continuous distribution for random numbers. </p>
<p>The formula for the gamma probability density function is: </p><p class="formulaDsp">
<img class="formulaDsp" alt="\[ p(x|\alpha,\beta) = \frac{1}{\beta\Gamma(\alpha)} (x/\beta)^{\alpha - 1} e^{-x/\beta} \]" src="form_7.png"/>
</p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l02352">2352</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
</div><h2 class="groupheader">Member Typedef Documentation</h2>
<a id="aaa49ffe0d995ae8237a5dbad8ac7451c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aaa49ffe0d995ae8237a5dbad8ac7451c">◆ </a></span>result_type</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename _RealType = double> </div>
<table class="memname">
<tr>
<td class="memname">typedef _RealType <a class="el" href="a06327.html">std::gamma_distribution</a>< _RealType >::<a class="el" href="a06327.html#aaa49ffe0d995ae8237a5dbad8ac7451c">result_type</a></td>
</tr>
</table>
</div><div class="memdoc">
<p>The type of the range of the distribution. </p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l02355">2355</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
</div>
</div>
<h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="aaf1043f0be5e8da80224d77d62e23999"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aaf1043f0be5e8da80224d77d62e23999">◆ </a></span>gamma_distribution()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename _RealType = double> </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="a06327.html">std::gamma_distribution</a>< _RealType >::<a class="el" href="a06327.html">gamma_distribution</a> </td>
<td>(</td>
<td class="paramtype">_RealType </td>
<td class="paramname"><em>__alpha_val</em> = <code>_RealType(1)</code>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">_RealType </td>
<td class="paramname"><em>__beta_val</em> = <code>_RealType(1)</code> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">explicit</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Constructs a gamma distribution with parameters <img class="formulaInl" alt="$\alpha$" src="form_33.png"/> and <img class="formulaInl" alt="$\beta$" src="form_34.png"/>. </p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l02409">2409</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a id="a885140ca6e119c2c66130bcdd388038c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a885140ca6e119c2c66130bcdd388038c">◆ </a></span>alpha()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename _RealType = double> </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">_RealType <a class="el" href="a06327.html">std::gamma_distribution</a>< _RealType >::alpha </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Returns the <img class="formulaInl" alt="$\alpha$" src="form_33.png"/> of the distribution. </p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l02430">2430</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
</div>
</div>
<a id="ac68ca29e3655c78cf60ba8159d307d4b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac68ca29e3655c78cf60ba8159d307d4b">◆ </a></span>beta()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename _RealType = double> </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">_RealType <a class="el" href="a06327.html">std::gamma_distribution</a>< _RealType >::beta </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Returns the <img class="formulaInl" alt="$\beta$" src="form_34.png"/> of the distribution. </p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l02437">2437</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
</div>
</div>
<a id="ae00d7ad063d15bb7162da61116552175"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae00d7ad063d15bb7162da61116552175">◆ </a></span>max()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename _RealType = double> </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="a06327.html#aaa49ffe0d995ae8237a5dbad8ac7451c">result_type</a> <a class="el" href="a06327.html">std::gamma_distribution</a>< _RealType >::max </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Returns the least upper bound value of the distribution. </p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l02466">2466</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
</div>
</div>
<a id="a7dc4b8a5f0edcf447683b93607a8441e"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7dc4b8a5f0edcf447683b93607a8441e">◆ </a></span>min()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename _RealType = double> </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="a06327.html#aaa49ffe0d995ae8237a5dbad8ac7451c">result_type</a> <a class="el" href="a06327.html">std::gamma_distribution</a>< _RealType >::min </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Returns the greatest lower bound value of the distribution. </p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l02459">2459</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
</div>
</div>
<a id="a72dba48d3f9781e948c535e37e7eabeb"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a72dba48d3f9781e948c535e37e7eabeb">◆ </a></span>operator()() <span class="overload">[1/2]</span></h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename _RealType = double> </div>
<div class="memtemplate">
template<typename _UniformRandomNumberGenerator > </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="a06327.html#aaa49ffe0d995ae8237a5dbad8ac7451c">result_type</a> <a class="el" href="a06327.html">std::gamma_distribution</a>< _RealType >::operator() </td>
<td>(</td>
<td class="paramtype">_UniformRandomNumberGenerator & </td>
<td class="paramname"><em>__urng</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Generating functions. </p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l02474">2474</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
<p class="reference">Referenced by <a class="el" href="a00452_source.html#l02474">std::gamma_distribution< result_type >::operator()()</a>.</p>
</div>
</div>
<a id="a286dd68452eebd137ec7be7852a58fca"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a286dd68452eebd137ec7be7852a58fca">◆ </a></span>operator()() <span class="overload">[2/2]</span></h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename _RealType > </div>
<div class="memtemplate">
template<typename _UniformRandomNumberGenerator > </div>
<table class="memname">
<tr>
<td class="memname"><a class="el" href="a06327.html">gamma_distribution</a>< _RealType >::<a class="el" href="a06327.html#aaa49ffe0d995ae8237a5dbad8ac7451c">result_type</a> <a class="el" href="a06327.html">std::gamma_distribution</a>< _RealType >::operator() </td>
<td>(</td>
<td class="paramtype">_UniformRandomNumberGenerator & </td>
<td class="paramname"><em>__urng</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="a06331.html">param_type</a> & </td>
<td class="paramname"><em>__param</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Marsaglia, G. and Tsang, W. W. "A Simple Method for Generating Gamma Variables" ACM Transactions on Mathematical Software, 26, 3, 363-372, 2000. </p>
<p class="definition">Definition at line <a class="el" href="a17058_source.html#l02344">2344</a> of file <a class="el" href="a17058_source.html">bits/random.tcc</a>.</p>
</div>
</div>
<a id="ad8b960699602dcafa9a4ca3895fa776a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad8b960699602dcafa9a4ca3895fa776a">◆ </a></span>param() <span class="overload">[1/2]</span></h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename _RealType = double> </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="a06331.html">param_type</a> <a class="el" href="a06327.html">std::gamma_distribution</a>< _RealType >::param </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Returns the parameter set of the distribution. </p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l02444">2444</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
<p class="reference">Referenced by <a class="el" href="a00452_source.html#l02645">std::chi_squared_distribution< _RealType >::param()</a>.</p>
</div>
</div>
<a id="ac1e8d68c10521bff382e0a14587d1dc4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac1e8d68c10521bff382e0a14587d1dc4">◆ </a></span>param() <span class="overload">[2/2]</span></h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename _RealType = double> </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">void <a class="el" href="a06327.html">std::gamma_distribution</a>< _RealType >::param </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="a06331.html">param_type</a> & </td>
<td class="paramname"><em>__param</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Sets the parameter set of the distribution. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">__param</td><td>The new parameter set of the distribution. </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l02452">2452</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
</div>
</div>
<a id="a305329ded629d15f8ff5f84d642357f9"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a305329ded629d15f8ff5f84d642357f9">◆ </a></span>reset()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename _RealType = double> </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">void <a class="el" href="a06327.html">std::gamma_distribution</a>< _RealType >::reset </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Resets the distribution state. </p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l02423">2423</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
<p class="reference">Referenced by <a class="el" href="a00452_source.html#l02623">std::chi_squared_distribution< _RealType >::reset()</a>, <a class="el" href="a00452_source.html#l03056">std::fisher_f_distribution< _RealType >::reset()</a>, <a class="el" href="a00452_source.html#l03278">std::student_t_distribution< _RealType >::reset()</a>, and <a class="el" href="a00452_source.html#l04159">std::negative_binomial_distribution< _IntType >::reset()</a>.</p>
</div>
</div>
<h2 class="groupheader">Friends And Related Function Documentation</h2>
<a id="a706fe0713381598aee2cf988bc299e5e"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a706fe0713381598aee2cf988bc299e5e">◆ </a></span>operator<<</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename _RealType = double> </div>
<div class="memtemplate">
template<typename _RealType1 , typename _CharT , typename _Traits > </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="a02463.html">std::basic_ostream</a><_CharT, _Traits>& operator<< </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a02463.html">std::basic_ostream</a>< _CharT, _Traits > & </td>
<td class="paramname"><em>__os</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="a06327.html">std::gamma_distribution</a>< _RealType1 > & </td>
<td class="paramname"><em>__x</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">friend</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Inserts a gamma_distribution random number distribution <code>__x</code> into the output stream <code>__os</code>. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">__os</td><td>An output stream. </td></tr>
<tr><td class="paramname">__x</td><td>A gamma_distribution random number distribution.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The output stream with the state of <code>__x</code> inserted or in an error state. </dd></dl>
</div>
</div>
<a id="ab60504a4db8724aede12258da566aede"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab60504a4db8724aede12258da566aede">◆ </a></span>operator==</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename _RealType = double> </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">bool operator== </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="a06327.html">gamma_distribution</a>< _RealType > & </td>
<td class="paramname"><em>__d1</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="a06327.html">gamma_distribution</a>< _RealType > & </td>
<td class="paramname"><em>__d2</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">friend</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Return true if two gamma distributions have the same parameters and the sequences that would be generated are equal. </p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l02510">2510</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
</div>
</div>
<a id="abe79b6964f9b74c546de48e9c34c7388"></a>
<h2 class="memtitle"><span class="permalink"><a href="#abe79b6964f9b74c546de48e9c34c7388">◆ </a></span>operator>></h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename _RealType = double> </div>
<div class="memtemplate">
template<typename _RealType1 , typename _CharT , typename _Traits > </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="a02459.html">std::basic_istream</a><_CharT, _Traits>& operator>> </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a02459.html">std::basic_istream</a>< _CharT, _Traits > & </td>
<td class="paramname"><em>__is</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="a06327.html">std::gamma_distribution</a>< _RealType1 > & </td>
<td class="paramname"><em>__x</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">friend</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Extracts a gamma_distribution random number distribution <code>__x</code> from the input stream <code>__is</code>. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">__is</td><td>An input stream. </td></tr>
<tr><td class="paramname">__x</td><td>A gamma_distribution random number generator engine.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The input stream with <code>__x</code> extracted or in an error state. </dd></dl>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="a00452_source.html">random.h</a></li>
<li><a class="el" href="a17058_source.html">bits/random.tcc</a></li>
</ul>
</div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="navelem"><a class="el" href="a01541.html">std</a></li><li class="navelem"><a class="el" href="a06327.html">gamma_distribution</a></li>
<li class="footer">Generated by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.15 </li>
</ul>
</div>
</body>
</html>
distrib
>
Mageia
>
7
>
armv7hl
>
media
>
core-updates
>
by-pkgid
>
bfb47da7e0322bcb0e23e4b1838d9db9
>
files
>
3395
