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<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>Class template uniform_int_distribution</title> <link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> <link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> <link rel="up" href="../../boost_random/reference.html#header.boost.random.uniform_int_distribution_hpp" title="Header &lt;boost/random/uniform_int_distribution.hpp&gt;"> <link rel="prev" href="uniform_01.html" title="Class template uniform_01"> <link rel="next" href="uniform_int_distribution/param_type.html" title="Class param_type"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr> <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td> <td align="center"><a 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class="titlepage"></div> <div class="refnamediv"> <h2><span class="refentrytitle">Class template uniform_int_distribution</span></h2> <p>boost::random::uniform_int_distribution</p> </div> <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../boost_random/reference.html#header.boost.random.uniform_int_distribution_hpp" title="Header &lt;boost/random/uniform_int_distribution.hpp&gt;">boost/random/uniform_int_distribution.hpp</a>&gt; </span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> IntType <span class="special">=</span> <span class="keyword">int</span><span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="uniform_int_distribution.html" title="Class template uniform_int_distribution">uniform_int_distribution</a> <span class="special">{</span> <span class="keyword">public</span><span class="special">:</span> <span class="comment">// types</span> <span class="keyword">typedef</span> <span class="identifier">IntType</span> <a name="boost.random.uniform_int_distribution.input_type"></a><span class="identifier">input_type</span><span class="special">;</span> <span class="keyword">typedef</span> <span class="identifier">IntType</span> <a name="boost.random.uniform_int_distribution.result_type"></a><span class="identifier">result_type</span><span class="special">;</span> <span class="comment">// member classes/structs/unions</span> <span class="keyword">class</span> <a class="link" href="uniform_int_distribution/param_type.html" title="Class param_type">param_type</a> <span class="special">{</span> <span class="keyword">public</span><span class="special">:</span> <span class="comment">// types</span> <span class="keyword">typedef</span> <a class="link" href="uniform_int_distribution.html" title="Class template uniform_int_distribution">uniform_int_distribution</a> <a class="link" href="uniform_int_distribution/param_type.html#boost.random.uniform_int_distribution.param_type.distribution_type"><span class="identifier">distribution_type</span></a><span class="special">;</span> <span class="comment">// <a class="link" href="uniform_int_distribution/param_type.html#boost.random.uniform_int_distribution.param_typeconstruct-copy-destruct">construct/copy/destruct</a></span> <span class="keyword">explicit</span> <a class="link" href="uniform_int_distribution/param_type.html#idp149107600-bb"><span class="identifier">param_type</span></a><span class="special">(</span><span class="identifier">IntType</span> <span class="special">=</span> <span class="number">0</span><span class="special">,</span> <span class="identifier">IntType</span> <span class="special">=</span> <span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">numeric_limits</span><span class="special">&lt;</span> <span class="identifier">IntType</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">max</span><span class="special">)</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span> <span class="comment">// <a class="link" href="uniform_int_distribution/param_type.html#idp162556016-bb">public member functions</a></span> <span class="identifier">IntType</span> <a class="link" href="uniform_int_distribution/param_type.html#idp162556576-bb"><span class="identifier">a</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> <span class="identifier">IntType</span> <a class="link" href="uniform_int_distribution/param_type.html#idp149105872-bb"><span class="identifier">b</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> <span class="comment">// <a class="link" href="uniform_int_distribution/param_type.html#idp149111600-bb">friend functions</a></span> <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> Traits<span class="special">&gt;</span> <span class="keyword">friend</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span> <a class="link" href="uniform_int_distribution/param_type.html#idp149112160-bb"><span class="keyword">operator</span><span class="special">&lt;&lt;</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_int_distribution/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span> <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> Traits<span class="special">&gt;</span> <span class="keyword">friend</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_istream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span> <a class="link" href="uniform_int_distribution/param_type.html#idp149117168-bb"><span class="keyword">operator</span><span class="special">&gt;&gt;</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_istream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_int_distribution/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span> <span class="keyword">friend</span> <span class="keyword">bool</span> <a class="link" href="uniform_int_distribution/param_type.html#idp208116336-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="uniform_int_distribution/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_int_distribution/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span> <span class="keyword">friend</span> <span class="keyword">bool</span> <a class="link" href="uniform_int_distribution/param_type.html#idp208119904-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="uniform_int_distribution/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_int_distribution/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span> <span class="special">}</span><span class="special">;</span> <span class="comment">// <a class="link" href="uniform_int_distribution.html#boost.random.uniform_int_distributionconstruct-copy-destruct">construct/copy/destruct</a></span> <span class="keyword">explicit</span> <a class="link" href="uniform_int_distribution.html#idp228436960-bb"><span class="identifier">uniform_int_distribution</span></a><span class="special">(</span><span class="identifier">IntType</span> <span class="special">=</span> <span class="number">0</span><span class="special">,</span> <span class="identifier">IntType</span> <span class="special">=</span> <span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">numeric_limits</span><span class="special">&lt;</span> <span class="identifier">IntType</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">max</span><span class="special">)</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span> <span class="keyword">explicit</span> <a class="link" href="uniform_int_distribution.html#idp228441872-bb"><span class="identifier">uniform_int_distribution</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="uniform_int_distribution/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span> <span class="comment">// <a class="link" href="uniform_int_distribution.html#idp208125344-bb">public member functions</a></span> <span class="identifier">IntType</span> <a class="link" href="uniform_int_distribution.html#idp208125904-bb"><span class="identifier">min</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> <span class="identifier">IntType</span> <a class="link" href="uniform_int_distribution.html#idp208127472-bb"><span class="identifier">max</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> <span class="identifier">IntType</span> <a class="link" href="uniform_int_distribution.html#idp143795328-bb"><span class="identifier">a</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> <span class="identifier">IntType</span> <a class="link" href="uniform_int_distribution.html#idp143796896-bb"><span class="identifier">b</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> <a class="link" href="uniform_int_distribution/param_type.html" title="Class param_type">param_type</a> <a class="link" href="uniform_int_distribution.html#idp143798464-bb"><span class="identifier">param</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> <span class="keyword">void</span> <a class="link" href="uniform_int_distribution.html#idp143800160-bb"><span class="identifier">param</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="uniform_int_distribution/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span> <span class="keyword">void</span> <a class="link" href="uniform_int_distribution.html#idp143802592-bb"><span class="identifier">reset</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Engine<span class="special">&gt;</span> <span class="identifier">result_type</span> <a class="link" href="uniform_int_distribution.html#idp143803952-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="identifier">Engine</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Engine<span class="special">&gt;</span> <span class="identifier">result_type</span> <a class="link" href="uniform_int_distribution.html#idp143806992-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="identifier">Engine</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_int_distribution/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> <span class="comment">// <a class="link" href="uniform_int_distribution.html#idp228444736-bb">friend functions</a></span> <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> Traits<span class="special">&gt;</span> <span class="keyword">friend</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span> <a class="link" href="uniform_int_distribution.html#idp228445296-bb"><span class="keyword">operator</span><span class="special">&lt;&lt;</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_int_distribution.html" title="Class template uniform_int_distribution">uniform_int_distribution</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span> <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> Traits<span class="special">&gt;</span> <span class="keyword">friend</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_istream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span> <a class="link" href="uniform_int_distribution.html#idp158897408-bb"><span class="keyword">operator</span><span class="special">&gt;&gt;</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_istream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_int_distribution.html" title="Class template uniform_int_distribution">uniform_int_distribution</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span> <span class="keyword">friend</span> <span class="keyword">bool</span> <a class="link" href="uniform_int_distribution.html#idp158902320-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="uniform_int_distribution.html" title="Class template uniform_int_distribution">uniform_int_distribution</a> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_int_distribution.html" title="Class template uniform_int_distribution">uniform_int_distribution</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span> <span class="keyword">friend</span> <span class="keyword">bool</span> <a class="link" href="uniform_int_distribution.html#idp158905984-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="uniform_int_distribution.html" title="Class template uniform_int_distribution">uniform_int_distribution</a> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_int_distribution.html" title="Class template uniform_int_distribution">uniform_int_distribution</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span> <span class="special">}</span><span class="special">;</span></pre></div> <div class="refsect1"> <a name="idp415282320"></a><h2>Description</h2> <p>The class template <a class="link" href="uniform_int_distribution.html" title="Class template uniform_int_distribution">uniform_int_distribution</a> models a <a class="link" href="../../boost_random/reference.html#boost_random.reference.concepts.random_distribution" title="Random Distribution">random distribution</a> . On each invocation, it returns a random integer value uniformly distributed in the set of integers {min, min+1, min+2, ..., max}.</p> <p>The template parameter IntType shall denote an integer-like value type. </p> <div class="refsect2"> <a name="idp415285328"></a><h3> <a name="boost.random.uniform_int_distributionconstruct-copy-destruct"></a><code class="computeroutput">uniform_int_distribution</code> public construct/copy/destruct</h3> <div class="orderedlist"><ol class="orderedlist" type="1"> <li class="listitem"> <pre class="literallayout"><span class="keyword">explicit</span> <a name="idp228436960-bb"></a><span class="identifier">uniform_int_distribution</span><span class="special">(</span><span class="identifier">IntType</span> min <span class="special">=</span> <span class="number">0</span><span class="special">,</span> <span class="identifier">IntType</span> max <span class="special">=</span> <span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">numeric_limits</span><span class="special">&lt;</span> <span class="identifier">IntType</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">max</span><span class="special">)</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span></pre> <p>Constructs a <code class="computeroutput"><a class="link" href="uniform_int_distribution.html" title="Class template uniform_int_distribution">uniform_int_distribution</a></code>. <code class="computeroutput">min</code> and <code class="computeroutput">max</code> are the parameters of the distribution.</p> <p>Requires: min &lt;= max </p> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">explicit</span> <a name="idp228441872-bb"></a><span class="identifier">uniform_int_distribution</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="uniform_int_distribution/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span> param<span class="special">)</span><span class="special">;</span></pre> <p>Constructs a <code class="computeroutput"><a class="link" href="uniform_int_distribution.html" title="Class template uniform_int_distribution">uniform_int_distribution</a></code> from its parameters. </p> </li> </ol></div> </div> <div class="refsect2"> <a name="idp415314048"></a><h3> <a name="idp208125344-bb"></a><code class="computeroutput">uniform_int_distribution</code> public member functions</h3> <div class="orderedlist"><ol class="orderedlist" type="1"> <li class="listitem"> <pre class="literallayout"><span class="identifier">IntType</span> <a name="idp208125904-bb"></a><span class="identifier">min</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> <p>Returns the minimum value of the distribution </p> </li> <li class="listitem"> <pre class="literallayout"><span class="identifier">IntType</span> <a name="idp208127472-bb"></a><span class="identifier">max</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> <p>Returns the maximum value of the distribution </p> </li> <li class="listitem"> <pre class="literallayout"><span class="identifier">IntType</span> <a name="idp143795328-bb"></a><span class="identifier">a</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> <p>Returns the minimum value of the distribution </p> </li> <li class="listitem"> <pre class="literallayout"><span class="identifier">IntType</span> <a name="idp143796896-bb"></a><span class="identifier">b</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> <p>Returns the maximum value of the distribution </p> </li> <li class="listitem"> <pre class="literallayout"><a class="link" href="uniform_int_distribution/param_type.html" title="Class param_type">param_type</a> <a name="idp143798464-bb"></a><span class="identifier">param</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> <p>Returns the parameters of the distribution. </p> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">void</span> <a name="idp143800160-bb"></a><span class="identifier">param</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="uniform_int_distribution/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span> param<span class="special">)</span><span class="special">;</span></pre> <p>Sets the parameters of the distribution. </p> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">void</span> <a name="idp143802592-bb"></a><span class="identifier">reset</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> <p>Effects: Subsequent uses of the distribution do not depend on values produced by any engine prior to invoking reset. </p> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Engine<span class="special">&gt;</span> <span class="identifier">result_type</span> <a name="idp143803952-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="identifier">Engine</span> <span class="special">&amp;</span> eng<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> <p>Returns an integer uniformly distributed in the range [min, max]. </p> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Engine<span class="special">&gt;</span> <span class="identifier">result_type</span> <a name="idp143806992-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="identifier">Engine</span> <span class="special">&amp;</span> eng<span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_int_distribution/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span> param<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> <p>Returns an integer uniformly distributed in the range [param.a(), param.b()]. </p> </li> </ol></div> </div> <div class="refsect2"> <a name="idp415377936"></a><h3> <a name="idp228444736-bb"></a><code class="computeroutput">uniform_int_distribution</code> friend functions</h3> <div class="orderedlist"><ol class="orderedlist" type="1"> <li class="listitem"> <pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> Traits<span class="special">&gt;</span> <span class="keyword">friend</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span> <a name="idp228445296-bb"></a><span class="keyword">operator</span><span class="special">&lt;&lt;</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span> os<span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_int_distribution.html" title="Class template uniform_int_distribution">uniform_int_distribution</a> <span class="special">&amp;</span> ud<span class="special">)</span><span class="special">;</span></pre> <p>Writes the distribution to a <code class="computeroutput">std::ostream</code>. </p> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> Traits<span class="special">&gt;</span> <span class="keyword">friend</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_istream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span> <a name="idp158897408-bb"></a><span class="keyword">operator</span><span class="special">&gt;&gt;</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_istream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span> is<span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_int_distribution.html" title="Class template uniform_int_distribution">uniform_int_distribution</a> <span class="special">&amp;</span> ud<span class="special">)</span><span class="special">;</span></pre> <p>Reads the distribution from a <code class="computeroutput">std::istream</code>. </p> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">friend</span> <span class="keyword">bool</span> <a name="idp158902320-bb"></a><span class="keyword">operator</span><span class="special">==</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="uniform_int_distribution.html" title="Class template uniform_int_distribution">uniform_int_distribution</a> <span class="special">&amp;</span> lhs<span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_int_distribution.html" title="Class template uniform_int_distribution">uniform_int_distribution</a> <span class="special">&amp;</span> rhs<span class="special">)</span><span class="special">;</span></pre> <p>Returns true if the two distributions will produce identical sequences of values given equal generators. </p> </li> <li class="listitem"> <pre class="literallayout"><span class="keyword">friend</span> <span class="keyword">bool</span> <a name="idp158905984-bb"></a><span class="keyword">operator</span><span class="special">!=</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="uniform_int_distribution.html" title="Class template uniform_int_distribution">uniform_int_distribution</a> <span class="special">&amp;</span> lhs<span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_int_distribution.html" title="Class template uniform_int_distribution">uniform_int_distribution</a> <span class="special">&amp;</span> rhs<span class="special">)</span><span class="special">;</span></pre> <p>Returns true if the two distributions may produce different sequences of values given equal generators. </p> </li> </ol></div> </div> </div> </div> <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> <td align="left"></td> <td align="right"><div class="copyright-footer">Copyright &#169; 2000-2005 Jens Maurer<br>Copyright &#169; 2009, 2010 Steven Watanabe<p> Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) </p> </div></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="uniform_01.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../boost_random/reference.html#header.boost.random.uniform_int_distribution_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="uniform_int_distribution/param_type.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> </div> </body> </html>