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<div class="title">std::discrete_distribution< _IntType > 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="a01536.html">Poisson Distributions</a></div></div> </div>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="a06432.html">param_type</a></td></tr>
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Public Types</h2></td></tr>
<tr class="memitem:a05b12fcc53882e7460348cbd46178e46"><td class="memItemLeft" align="right" valign="top">typedef _IntType </td><td class="memItemRight" valign="bottom"><a class="el" href="a06428.html#a05b12fcc53882e7460348cbd46178e46">result_type</a></td></tr>
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template<typename _InputIterator > </td></tr>
<tr class="memitem:a9e8a2ede7028d8a8d431344444dd74a4"><td class="memTemplItemLeft" align="right" valign="top"> </td><td class="memTemplItemRight" valign="bottom"><b>discrete_distribution</b> (_InputIterator __wbegin, _InputIterator __wend)</td></tr>
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 </td><td class="memItemRight" valign="bottom"><b>discrete_distribution</b> (<a class="el" href="a01652.html">initializer_list</a>< double > __wl)</td></tr>
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template<typename _Func > </td></tr>
<tr class="memitem:a27d1dada2515ad4ab4e9a4649b4a8e64"><td class="memTemplItemLeft" align="right" valign="top"> </td><td class="memTemplItemRight" valign="bottom"><b>discrete_distribution</b> (size_t __nw, double __xmin, double __xmax, _Func __fw)</td></tr>
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 </td><td class="memItemRight" valign="bottom"><b>discrete_distribution</b> (const <a class="el" href="a06432.html">param_type</a> &__p)</td></tr>
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template<typename _ForwardIterator , typename _UniformRandomNumberGenerator > </td></tr>
<tr class="memitem:a911c28574a162bca38e1732119001138"><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:a6d1d0249da43d87096dae8a69c3c40f7"><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="a06432.html">param_type</a> &__p)</td></tr>
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template<typename _UniformRandomNumberGenerator > </td></tr>
<tr class="memitem:a7dafe074e31c5269489712955a8cb646"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>__generate</b> (<a class="el" href="a06428.html#a05b12fcc53882e7460348cbd46178e46">result_type</a> *__f, <a class="el" href="a06428.html#a05b12fcc53882e7460348cbd46178e46">result_type</a> *__t, _UniformRandomNumberGenerator &__urng, const <a class="el" href="a06432.html">param_type</a> &__p)</td></tr>
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<tr class="memitem:a3e8e124e8cdf1f8d18b1838a5d1c9728"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a06428.html#a05b12fcc53882e7460348cbd46178e46">result_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a06428.html#a3e8e124e8cdf1f8d18b1838a5d1c9728">max</a> () const</td></tr>
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<tr class="memitem:a2ea8319bc859527d8a4f22380ab85672"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a06428.html#a05b12fcc53882e7460348cbd46178e46">result_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a06428.html#a2ea8319bc859527d8a4f22380ab85672">min</a> () const</td></tr>
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<tr class="memitem:a8213bca3ac8f3617fd3bec4f8ecd55f8"><td class="memTemplParams" colspan="2">template<typename _UniformRandomNumberGenerator > </td></tr>
<tr class="memitem:a8213bca3ac8f3617fd3bec4f8ecd55f8"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="a06428.html#a05b12fcc53882e7460348cbd46178e46">result_type</a> </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a06428.html#a8213bca3ac8f3617fd3bec4f8ecd55f8">operator()</a> (_UniformRandomNumberGenerator &__urng)</td></tr>
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template<typename _UniformRandomNumberGenerator > </td></tr>
<tr class="memitem:a68ea571185bf6e107d495f9b7849ae48"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="a06428.html#a05b12fcc53882e7460348cbd46178e46">result_type</a> </td><td class="memTemplItemRight" valign="bottom"><b>operator()</b> (_UniformRandomNumberGenerator &__urng, const <a class="el" href="a06432.html">param_type</a> &__p)</td></tr>
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<tr class="memitem:ad2a6bbcde16e1eb36226f579536bb166"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a06428.html#ad2a6bbcde16e1eb36226f579536bb166">param</a> (const <a class="el" href="a06432.html">param_type</a> &__param)</td></tr>
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<tr class="memitem:a61e7fb7df1787577f1b0a94f07e3c1e3"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a07920.html">std::vector</a>< double > </td><td class="memItemRight" valign="bottom"><a class="el" href="a06428.html#a61e7fb7df1787577f1b0a94f07e3c1e3">probabilities</a> () const</td></tr>
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<tr class="memitem:a42f8e4f291038ca9a9d1057f58d506d3"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a06428.html#a42f8e4f291038ca9a9d1057f58d506d3">reset</a> ()</td></tr>
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Friends</h2></td></tr>
<tr class="memitem:a0da5726a47d5a89fc4d67118558d5834"><td class="memTemplParams" colspan="2">template<typename _IntType1 , typename _CharT , typename _Traits > </td></tr>
<tr class="memitem:a0da5726a47d5a89fc4d67118558d5834"><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="a06428.html#a0da5726a47d5a89fc4d67118558d5834">operator<<</a> (<a class="el" href="a02460.html">std::basic_ostream</a>< _CharT, _Traits > &__os, const <a class="el" href="a06428.html">std::discrete_distribution</a>< _IntType1 > &__x)</td></tr>
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<tr class="memitem:a61bdfdd7dbb86dc1e5b16f008f9131ae"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a06428.html#a61bdfdd7dbb86dc1e5b16f008f9131ae">operator==</a> (const <a class="el" href="a06428.html">discrete_distribution</a> &__d1, const <a class="el" href="a06428.html">discrete_distribution</a> &__d2)</td></tr>
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<tr class="memitem:aab065c34d9b99c0ffaaed26759eb193c"><td class="memTemplParams" colspan="2">template<typename _IntType1 , typename _CharT , typename _Traits > </td></tr>
<tr class="memitem:aab065c34d9b99c0ffaaed26759eb193c"><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="a06428.html#aab065c34d9b99c0ffaaed26759eb193c">operator>></a> (<a class="el" href="a02456.html">std::basic_istream</a>< _CharT, _Traits > &__is, <a class="el" href="a06428.html">std::discrete_distribution</a>< _IntType1 > &__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 _IntType = int><br />
class std::discrete_distribution< _IntType ></h3>
<p>A discrete_distribution random number distribution. </p>
<p>The formula for the discrete probability mass function is </p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l05171">5171</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
</div><h2 class="groupheader">Member Typedef Documentation</h2>
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template<typename _IntType = int> </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#l05174">5174</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="#a3e8e124e8cdf1f8d18b1838a5d1c9728">◆ </a></span>max()</h2>
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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#l05296">5296</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
<p class="reference">References <a class="el" href="a00599_source.html#l00894">std::vector< _Tp, _Alloc >::empty()</a>, and <a class="el" href="a00599_source.html#l00805">std::vector< _Tp, _Alloc >::size()</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#l05289">5289</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="#a8213bca3ac8f3617fd3bec4f8ecd55f8">◆ </a></span>operator()()</h2>
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<p>Generating functions. </p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l05307">5307</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#l05274">5274</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
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<p>Sets the parameter set of the distribution. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<p class="definition">Definition at line <a class="el" href="a00452_source.html#l05282">5282</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="#a61e7fb7df1787577f1b0a94f07e3c1e3">◆ </a></span>probabilities()</h2>
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template<typename _IntType = int> </div>
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<td class="memname"><a class="el" href="a07920.html">std::vector</a><double> <a class="el" href="a06428.html">std::discrete_distribution</a>< _IntType >::probabilities </td>
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<p>Returns the probabilities of the distribution. </p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l05264">5264</a> of file <a class="el" href="a00452_source.html">random.h</a>.</p>
<p class="reference">References <a class="el" href="a00599_source.html#l00894">std::vector< _Tp, _Alloc >::empty()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a42f8e4f291038ca9a9d1057f58d506d3">◆ </a></span>reset()</h2>
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<td class="memname">void <a class="el" href="a06428.html">std::discrete_distribution</a>< _IntType >::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#l05257">5257</a> of file <a class="el" href="a00452_source.html">random.h</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="#a0da5726a47d5a89fc4d67118558d5834">◆ </a></span>operator<<</h2>
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template<typename _IntType = int> </div>
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template<typename _IntType1 , typename _CharT , typename _Traits > </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">const <a class="el" href="a06428.html">std::discrete_distribution</a>< _IntType1 > & </td>
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<p>Inserts a discrete_distribution random number distribution <code>__x</code> into the output stream <code>__os</code>. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">__os</td><td>An output stream. </td></tr>
<tr><td class="paramname">__x</td><td>A discrete_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="#a61bdfdd7dbb86dc1e5b16f008f9131ae">◆ </a></span>operator==</h2>
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<p>Return true if two discrete distributions have the same parameters. </p>
<p class="definition">Definition at line <a class="el" href="a00452_source.html#l05342">5342</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="#aab065c34d9b99c0ffaaed26759eb193c">◆ </a></span>operator>></h2>
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template<typename _IntType = int> </div>
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template<typename _IntType1 , 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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<td class="paramtype"><a class="el" href="a06428.html">std::discrete_distribution</a>< _IntType1 > & </td>
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<p>Extracts a discrete_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 discrete_distribution random number generator engine.</td></tr>
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</dd>
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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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