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<div class="title">std::fisher_f_distribution< _RealType > Class Template Reference<div class="ingroups"><a class="el" href="a01473.html">Numerics</a> » <a class="el" href="a01491.html">Random Number Generation</a> » <a class="el" href="a01532.html">Random Number Distributions</a> » <a class="el" href="a01534.html">Normal Distributions</a></div></div> </div>
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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="a06352.html">param_type</a></td></tr>
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Public Types</h2></td></tr>
<tr class="memitem:a81d8f625ee48920d4700c5ff1700aaea"><td class="memItemLeft" align="right" valign="top">typedef _RealType </td><td class="memItemRight" valign="bottom"><a class="el" href="a06348.html#a81d8f625ee48920d4700c5ff1700aaea">result_type</a></td></tr>
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Public Member Functions</h2></td></tr>
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 </td><td class="memItemRight" valign="bottom"><b>fisher_f_distribution</b> (_RealType __m=_RealType(1), _RealType __n=_RealType(1))</td></tr>
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 </td><td class="memItemRight" valign="bottom"><b>fisher_f_distribution</b> (const <a class="el" href="a06352.html">param_type</a> &__p)</td></tr>
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template<typename _ForwardIterator , typename _UniformRandomNumberGenerator > </td></tr>
<tr class="memitem:aa6fd8a7016b4f5398f396635b4e11f10"><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>
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template<typename _ForwardIterator , typename _UniformRandomNumberGenerator > </td></tr>
<tr class="memitem:a5633c0b0a6faf6665ab96d55d224a2b4"><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="a06352.html">param_type</a> &__p)</td></tr>
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template<typename _UniformRandomNumberGenerator > </td></tr>
<tr class="memitem:a91f9f4c281514b19163b341b5296d6f7"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>__generate</b> (<a class="el" href="a06348.html#a81d8f625ee48920d4700c5ff1700aaea">result_type</a> *__f, <a class="el" href="a06348.html#a81d8f625ee48920d4700c5ff1700aaea">result_type</a> *__t, _UniformRandomNumberGenerator &__urng)</td></tr>
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template<typename _UniformRandomNumberGenerator > </td></tr>
<tr class="memitem:a6af6e106c54667c18c9de55a1d9e279e"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>__generate</b> (<a class="el" href="a06348.html#a81d8f625ee48920d4700c5ff1700aaea">result_type</a> *__f, <a class="el" href="a06348.html#a81d8f625ee48920d4700c5ff1700aaea">result_type</a> *__t, _UniformRandomNumberGenerator &__urng, const <a class="el" href="a06352.html">param_type</a> &__p)</td></tr>
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_RealType </td><td class="memItemRight" valign="bottom"><b>m</b> () const</td></tr>
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<tr class="memitem:a06d2101e5cda9129c6632e788fe7b9b8"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a06348.html#a81d8f625ee48920d4700c5ff1700aaea">result_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a06348.html#a06d2101e5cda9129c6632e788fe7b9b8">max</a> () const</td></tr>
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_RealType </td><td class="memItemRight" valign="bottom"><b>n</b> () const</td></tr>
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<tr class="memitem:ab172a885f02391e497338955fbd5a5b7"><td class="memTemplParams" colspan="2">template<typename _UniformRandomNumberGenerator > </td></tr>
<tr class="memitem:ab172a885f02391e497338955fbd5a5b7"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="a06348.html#a81d8f625ee48920d4700c5ff1700aaea">result_type</a> </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a06348.html#ab172a885f02391e497338955fbd5a5b7">operator()</a> (_UniformRandomNumberGenerator &__urng)</td></tr>
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template<typename _UniformRandomNumberGenerator > </td></tr>
<tr class="memitem:a66fc4265b1b604cf78d361a99d691dee"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="a06348.html#a81d8f625ee48920d4700c5ff1700aaea">result_type</a> </td><td class="memTemplItemRight" valign="bottom"><b>operator()</b> (_UniformRandomNumberGenerator &__urng, const <a class="el" href="a06352.html">param_type</a> &__p)</td></tr>
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<tr class="memitem:a052913a3ca616ba45870d25e5f1da93c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a06348.html#a052913a3ca616ba45870d25e5f1da93c">param</a> (const <a class="el" href="a06352.html">param_type</a> &__param)</td></tr>
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<tr class="memitem:a1a8ed43ea1042c8a502c4d497cff95a8"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a06348.html#a1a8ed43ea1042c8a502c4d497cff95a8">reset</a> ()</td></tr>
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Friends</h2></td></tr>
<tr class="memitem:ae32074f867a5686e7e7dab19d6f4cf2b"><td class="memTemplParams" colspan="2">template<typename _RealType1 , typename _CharT , typename _Traits > </td></tr>
<tr class="memitem:ae32074f867a5686e7e7dab19d6f4cf2b"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="a02460.html">std::basic_ostream</a>< _CharT, _Traits > & </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a06348.html#ae32074f867a5686e7e7dab19d6f4cf2b">operator<<</a> (<a class="el" href="a02460.html">std::basic_ostream</a>< _CharT, _Traits > &__os, const <a class="el" href="a06348.html">std::fisher_f_distribution</a>< _RealType1 > &__x)</td></tr>
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<tr class="memitem:a6d91b2687b4f8cc34d02a65b739ed070"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a06348.html#a6d91b2687b4f8cc34d02a65b739ed070">operator==</a> (const <a class="el" href="a06348.html">fisher_f_distribution</a> &__d1, const <a class="el" href="a06348.html">fisher_f_distribution</a> &__d2)</td></tr>
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<tr class="memitem:abab2538be3fead2df80ac93a9ebaa7f3"><td class="memTemplParams" colspan="2">template<typename _RealType1 , typename _CharT , typename _Traits > </td></tr>
<tr class="memitem:abab2538be3fead2df80ac93a9ebaa7f3"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="a02456.html">std::basic_istream</a>< _CharT, _Traits > & </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a06348.html#abab2538be3fead2df80ac93a9ebaa7f3">operator>></a> (<a class="el" href="a02456.html">std::basic_istream</a>< _CharT, _Traits > &__is, <a class="el" href="a06348.html">std::fisher_f_distribution</a>< _RealType1 > &__x)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template<typename _RealType = double><br />
class std::fisher_f_distribution< _RealType ></h3>
<p>A fisher_f_distribution random number distribution. </p>
<p>The formula for the normal probability mass function is </p><p class="formulaDsp">
<img class="formulaDsp" alt="\[ p(x|m,n) = \frac{\Gamma((m+n)/2)}{\Gamma(m/2)\Gamma(n/2)} (\frac{m}{n})^{m/2} x^{(m/2)-1} (1 + \frac{mx}{n})^{-(m+n)/2} \]" src="form_10.png"/>
</p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l03000">3000</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
</div><h2 class="groupheader">Member Typedef Documentation</h2>
<a id="a81d8f625ee48920d4700c5ff1700aaea"></a>
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template<typename _RealType = double> </div>
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<p>The type of the range of the distribution. </p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l03003">3003</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a06d2101e5cda9129c6632e788fe7b9b8">◆ </a></span>max()</h2>
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template<typename _RealType = double> </div>
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<p>Returns the least upper bound value of the distribution. </p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l03099">3099</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
<p class="reference">References <a class="el" href="a00095_source.html#l00321">std::numeric_limits< _Tp >::max()</a>.</p>
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<p>Returns the greatest lower bound value of the distribution. </p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l03092">3092</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ab172a885f02391e497338955fbd5a5b7">◆ </a></span>operator()()</h2>
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template<typename _RealType = double> </div>
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<p>Generating functions. </p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l03107">3107</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
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<p>Returns the parameter set of the distribution. </p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l03077">3077</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a052913a3ca616ba45870d25e5f1da93c">◆ </a></span>param() <span class="overload">[2/2]</span></h2>
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template<typename _RealType = double> </div>
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<td class="memname">void <a class="el" href="a06348.html">std::fisher_f_distribution</a>< _RealType >::param </td>
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<td class="paramtype">const <a class="el" href="a06352.html">param_type</a> & </td>
<td class="paramname"><em>__param</em></td><td>)</td>
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<p>Sets the parameter set of the distribution. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">__param</td><td>The new parameter set of the distribution. </td></tr>
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<p class="definition">Definition at line <a class="el" href="a00452_source.html#l03085">3085</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1a8ed43ea1042c8a502c4d497cff95a8">◆ </a></span>reset()</h2>
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template<typename _RealType = double> </div>
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<td class="memname">void <a class="el" href="a06348.html">std::fisher_f_distribution</a>< _RealType >::reset </td>
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<p>Resets the distribution state. </p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l03056">3056</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
<p class="reference">References <a class="el" href="a00452_source.html#l02423">std::gamma_distribution< _RealType >::reset()</a>.</p>
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<h2 class="groupheader">Friends And Related Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ae32074f867a5686e7e7dab19d6f4cf2b">◆ </a></span>operator<<</h2>
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template<typename _RealType = double> </div>
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<td class="memname"><a class="el" href="a02460.html">std::basic_ostream</a><_CharT, _Traits>& operator<< </td>
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<td class="paramtype"><a class="el" href="a02460.html">std::basic_ostream</a>< _CharT, _Traits > & </td>
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<p>Inserts a fisher_f_distribution random number distribution <code>__x</code> into the output stream <code>__os</code>. </p>
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<tr><td class="paramname">__os</td><td>An output stream. </td></tr>
<tr><td class="paramname">__x</td><td>A fisher_f_distribution random number distribution.</td></tr>
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<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>
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<h2 class="memtitle"><span class="permalink"><a href="#a6d91b2687b4f8cc34d02a65b739ed070">◆ </a></span>operator==</h2>
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<p>Return true if two Fisher f 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#l03155">3155</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#abab2538be3fead2df80ac93a9ebaa7f3">◆ </a></span>operator>></h2>
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template<typename _RealType = double> </div>
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template<typename _RealType1 , typename _CharT , typename _Traits > </div>
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<td class="memname"><a class="el" href="a02456.html">std::basic_istream</a><_CharT, _Traits>& operator>> </td>
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<p>Extracts a fisher_f_distribution random number distribution <code>__x</code> from the input stream <code>__is</code>. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">__is</td><td>An input stream. </td></tr>
<tr><td class="paramname">__x</td><td>A fisher_f_distribution random number generator engine.</td></tr>
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<dl class="section return"><dt>Returns</dt><dd>The input stream with <code>__x</code> extracted or in an error state. </dd></dl>
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<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="a17055_source.html">bits/random.tcc</a></li>
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