<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://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"/> <title>libstdc++: std::linear_congruential_engine< _UIntType, __a, __c, __m > Class Template Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript"> $(document).ready(initResizable); </script> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.4 --> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">libstdc++</div> </td> </tr> </tbody> </table> </div> </div> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> initNavTree('a00579.html',''); </script> <div id="doc-content"> <div class="header"> <div class="summary"> <a href="#pub-types">Public Types</a> | <a href="#pub-methods">Public Member Functions</a> | <a href="#pub-static-methods">Static Public Member Functions</a> | <a href="#pub-static-attribs">Static Public Attributes</a> | <a href="#friends">Friends</a> </div> <div class="headertitle"> <div class="title">std::linear_congruential_engine< _UIntType, __a, __c, __m > Class Template Reference<div class="ingroups"><a class="el" href="a01206.html">Random Number Generators</a></div></div> </div> </div> <div class="contents"> <!-- doxytag: class="std::linear_congruential_engine" --> <p>A model of a linear congruential random number generator. <a href="a00579.html#details">More...</a></p> <p><a href="a02201.html">List of all members.</a></p> <h2><a name="pub-types"></a> Public Types</h2> <ul> <li>typedef _UIntType <a class="el" href="a00579.html#ae47aa1543eb8eef0d874551586c0a8df">result_type</a> </ul> <h2><a name="pub-methods"></a> Public Member Functions</h2> <ul> <li><a class="el" href="a00579.html#a0b67d6dfeedae260237da131ce55284c">linear_congruential_engine</a> (<a class="el" href="a00579.html#ae47aa1543eb8eef0d874551586c0a8df">result_type</a> __s=default_seed) <li>template<typename _Sseq , typename = typename std::enable_if<!std::is_same<_Sseq, linear_congruential_engine>::value> ::type> <a class="el" href="a00579.html#aaf5c537d5cf6ee34f6bd22e70f5bf7a3">linear_congruential_engine</a> (_Sseq &__q) <li>void <a class="el" href="a00579.html#a6c3917727c95e3e73ea25871ebd21441">discard</a> (unsigned long long __z) <li><a class="el" href="a00579.html#ae47aa1543eb8eef0d874551586c0a8df">result_type</a> <a class="el" href="a00579.html#ae42fad7d735fb5d8d96076f70f2f65d4">operator()</a> () <li>template<typename _Sseq > <a class="el" href="a00255.html">std::enable_if</a>< <a class="el" href="a00537.html">std::is_class</a><br class="typebreak"/> < _Sseq >::value >::type <a class="el" href="a00579.html#a5bec05bdd8ee19da50dfc0d5aa570bd2">seed</a> (_Sseq &__q) <li>void <a class="el" href="a00579.html#aa0c9986cf366682ff3311bca8021ee19">seed</a> (<a class="el" href="a00579.html#ae47aa1543eb8eef0d874551586c0a8df">result_type</a> __s=default_seed) </ul> <h2><a name="pub-static-methods"></a> Static Public Member Functions</h2> <ul> <li>static constexpr <a class="el" href="a00579.html#ae47aa1543eb8eef0d874551586c0a8df">result_type</a> <a class="el" href="a00579.html#af334bf0422c2d5ef522e3dac8427d63a">max</a> () <li>static constexpr <a class="el" href="a00579.html#ae47aa1543eb8eef0d874551586c0a8df">result_type</a> <a class="el" href="a00579.html#a57c283a281f9b007e0a7659b57586f52">min</a> () </ul> <h2><a name="pub-static-attribs"></a> Static Public Attributes</h2> <ul> <li><a class="anchor" id="ab62332ca7396e841168392e37cc87f6d"></a><!-- doxytag: member="std::linear_congruential_engine::default_seed" ref="ab62332ca7396e841168392e37cc87f6d" args="" --> static constexpr <a class="el" href="a00579.html#ae47aa1543eb8eef0d874551586c0a8df">result_type</a> <b>default_seed</b> <li>static constexpr <a class="el" href="a00579.html#ae47aa1543eb8eef0d874551586c0a8df">result_type</a> <a class="el" href="a00579.html#ad2d0da3af999df8d7992143640f344a6">increment</a> <li>static constexpr <a class="el" href="a00579.html#ae47aa1543eb8eef0d874551586c0a8df">result_type</a> <a class="el" href="a00579.html#a9c73f24c92d06c4aa7c5b2c37d8c6dcb">modulus</a> <li>static constexpr <a class="el" href="a00579.html#ae47aa1543eb8eef0d874551586c0a8df">result_type</a> <a class="el" href="a00579.html#a5f6ca5414f03b35e0a82731cf9cd6496">multiplier</a> </ul> <h2><a name="friends"></a> Friends</h2> <ul> <li>template<typename _UIntType1 , _UIntType1 __a1, _UIntType1 __c1, _UIntType1 __m1, typename _CharT , typename _Traits > <a class="el" href="a00251.html">std::basic_ostream</a>< _CharT, <br class="typebreak"/> _Traits > & <a class="el" href="a00579.html#a3e62622908b8c423c439dc9dca8af81a">operator<<</a> (<a class="el" href="a00251.html">std::basic_ostream</a>< _CharT, _Traits > &, const <a class="el" href="a00579.html">std::linear_congruential_engine</a>< _UIntType1, __a1, __c1, __m1 > &) <li>bool <a class="el" href="a00579.html#ab062526efb78cd1480aff1eb1544b341">operator==</a> (const <a class="el" href="a00579.html">linear_congruential_engine</a> &__lhs, const <a class="el" href="a00579.html">linear_congruential_engine</a> &__rhs) <li>template<typename _UIntType1 , _UIntType1 __a1, _UIntType1 __c1, _UIntType1 __m1, typename _CharT , typename _Traits > <a class="el" href="a00250.html">std::basic_istream</a>< _CharT, <br class="typebreak"/> _Traits > & <a class="el" href="a00579.html#af6f2a12896f78e6d53370278e11f86fd">operator>></a> (<a class="el" href="a00250.html">std::basic_istream</a>< _CharT, _Traits > &, <a class="el" href="a00579.html">std::linear_congruential_engine</a>< _UIntType1, __a1, __c1, __m1 > &) </ul> <hr/><a name="details" id="details"></a><h2>Detailed Description</h2> <div class="textblock"><h3>template<typename _UIntType, _UIntType __a, _UIntType __c, _UIntType __m><br/> class std::linear_congruential_engine< _UIntType, __a, __c, __m ></h3> <p>A model of a linear congruential random number generator. </p> <p>A random number generator that produces pseudorandom numbers via linear function: </p> <p class="formulaDsp"> <img class="formulaDsp" alt="\[ x_{i+1}\leftarrow(ax_{i} + c) \bmod m \]" src="form_0.png"/> </p> <p>The template parameter <code>_UIntType</code> must be an unsigned integral type large enough to store values up to (__m-1). If the template parameter <code>__m</code> is 0, the modulus <code>__m</code> used is <a class="el" href="a01184.html#gaacf2fd7d602b70d56279425df06bd02c" title="This does what you think it does.">std::numeric_limits<_UIntType>::max()</a> plus 1. Otherwise, the template parameters <code>__a</code> and <code>__c</code> must be less than <code>__m</code>.</p> <p>The size of the state is <img class="formulaInl" alt="$1$" src="form_1.png"/>. </p> <p>Definition at line <a class="el" href="a00997_source.html#l00170">170</a> of file <a class="el" href="a00997_source.html">random.h</a>.</p> </div><hr/><h2>Member Typedef Documentation</h2> <a class="anchor" id="ae47aa1543eb8eef0d874551586c0a8df"></a><!-- doxytag: member="std::linear_congruential_engine::result_type" ref="ae47aa1543eb8eef0d874551586c0a8df" args="" --> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> </div> <table class="memname"> <tr> <td class="memname">typedef _UIntType <a class="el" href="a00579.html">std::linear_congruential_engine</a>< _UIntType, __a, __c, __m >::<a class="el" href="a00579.html#ae47aa1543eb8eef0d874551586c0a8df">result_type</a></td> </tr> </table> </div> <div class="memdoc"> <p>The type of the generated random value. </p> <p>Definition at line <a class="el" href="a00997_source.html#l00184">184</a> of file <a class="el" href="a00997_source.html">random.h</a>.</p> </div> </div> <hr/><h2>Constructor & Destructor Documentation</h2> <a class="anchor" id="a0b67d6dfeedae260237da131ce55284c"></a><!-- doxytag: member="std::linear_congruential_engine::linear_congruential_engine" ref="a0b67d6dfeedae260237da131ce55284c" args="(result_type __s=default_seed)" --> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> </div> <table class="memname"> <tr> <td class="memname"><a class="el" href="a00579.html">std::linear_congruential_engine</a>< _UIntType, __a, __c, __m >::<a class="el" href="a00579.html">linear_congruential_engine</a> </td> <td>(</td> <td class="paramtype"><a class="el" href="a00579.html#ae47aa1543eb8eef0d874551586c0a8df">result_type</a> </td> <td class="paramname"><em>__s</em> = <code>default_seed</code></td><td>)</td> <td><code> [inline, explicit]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Constructs a linear_congruential_engine random number generator engine with seed <code>__s</code>. The default seed value is 1. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">__s</td><td>The initial seed value. </td></tr> </table> </dd> </dl> <p>Definition at line <a class="el" href="a00997_source.html#l00202">202</a> of file <a class="el" href="a00997_source.html">random.h</a>.</p> <p>References <a class="el" href="a00998_source.html#l00136">std::linear_congruential_engine< _UIntType, __a, __c, __m >::seed()</a>.</p> </div> </div> <a class="anchor" id="aaf5c537d5cf6ee34f6bd22e70f5bf7a3"></a><!-- doxytag: member="std::linear_congruential_engine::linear_congruential_engine" ref="aaf5c537d5cf6ee34f6bd22e70f5bf7a3" args="(_Sseq &__q)" --> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> </div> <div class="memtemplate"> template<typename _Sseq , typename = typename std::enable_if<!std::is_same<_Sseq, linear_congruential_engine>::value> ::type> </div> <table class="memname"> <tr> <td class="memname"><a class="el" href="a00579.html">std::linear_congruential_engine</a>< _UIntType, __a, __c, __m >::<a class="el" href="a00579.html">linear_congruential_engine</a> </td> <td>(</td> <td class="paramtype">_Sseq & </td> <td class="paramname"><em>__q</em></td><td>)</td> <td><code> [inline, explicit]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Constructs a linear_congruential_engine random number generator engine seeded from the seed sequence <code>__q</code>. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">__q</td><td>the seed sequence. </td></tr> </table> </dd> </dl> <p>Definition at line <a class="el" href="a00997_source.html#l00215">215</a> of file <a class="el" href="a00997_source.html">random.h</a>.</p> <p>References <a class="el" href="a00998_source.html#l00136">std::linear_congruential_engine< _UIntType, __a, __c, __m >::seed()</a>.</p> </div> </div> <hr/><h2>Member Function Documentation</h2> <a class="anchor" id="a6c3917727c95e3e73ea25871ebd21441"></a><!-- doxytag: member="std::linear_congruential_engine::discard" ref="a6c3917727c95e3e73ea25871ebd21441" args="(unsigned long long __z)" --> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> </div> <table class="memname"> <tr> <td class="memname">void <a class="el" href="a00579.html">std::linear_congruential_engine</a>< _UIntType, __a, __c, __m >::discard </td> <td>(</td> <td class="paramtype">unsigned long long </td> <td class="paramname"><em>__z</em></td><td>)</td> <td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Discard a sequence of random numbers. </p> <p>Definition at line <a class="el" href="a00997_source.html#l00259">259</a> of file <a class="el" href="a00997_source.html">random.h</a>.</p> </div> </div> <a class="anchor" id="af334bf0422c2d5ef522e3dac8427d63a"></a><!-- doxytag: member="std::linear_congruential_engine::max" ref="af334bf0422c2d5ef522e3dac8427d63a" args="()" --> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> </div> <table class="memname"> <tr> <td class="memname">static constexpr <a class="el" href="a00579.html#ae47aa1543eb8eef0d874551586c0a8df">result_type</a> <a class="el" href="a00579.html">std::linear_congruential_engine</a>< _UIntType, __a, __c, __m >::max </td> <td>(</td> <td class="paramname"></td><td>)</td> <td><code> [inline, static]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Gets the largest possible value in the output range. </p> <p>Definition at line <a class="el" href="a00997_source.html#l00252">252</a> of file <a class="el" href="a00997_source.html">random.h</a>.</p> </div> </div> <a class="anchor" id="a57c283a281f9b007e0a7659b57586f52"></a><!-- doxytag: member="std::linear_congruential_engine::min" ref="a57c283a281f9b007e0a7659b57586f52" args="()" --> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> </div> <table class="memname"> <tr> <td class="memname">static constexpr <a class="el" href="a00579.html#ae47aa1543eb8eef0d874551586c0a8df">result_type</a> <a class="el" href="a00579.html">std::linear_congruential_engine</a>< _UIntType, __a, __c, __m >::min </td> <td>(</td> <td class="paramname"></td><td>)</td> <td><code> [inline, static]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Gets the smallest possible value in the output range. </p> <p>The minimum depends on the <code>__c</code> parameter: if it is zero, the minimum generated must be > 0, otherwise 0 is allowed. </p> <p>Definition at line <a class="el" href="a00997_source.html#l00245">245</a> of file <a class="el" href="a00997_source.html">random.h</a>.</p> </div> </div> <a class="anchor" id="ae42fad7d735fb5d8d96076f70f2f65d4"></a><!-- doxytag: member="std::linear_congruential_engine::operator()" ref="ae42fad7d735fb5d8d96076f70f2f65d4" args="()" --> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> </div> <table class="memname"> <tr> <td class="memname"><a class="el" href="a00579.html#ae47aa1543eb8eef0d874551586c0a8df">result_type</a> <a class="el" href="a00579.html">std::linear_congruential_engine</a>< _UIntType, __a, __c, __m >::operator() </td> <td>(</td> <td class="paramname"></td><td>)</td> <td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Gets the next random number in the sequence. </p> <p>Definition at line <a class="el" href="a00997_source.html#l00269">269</a> of file <a class="el" href="a00997_source.html">random.h</a>.</p> </div> </div> <a class="anchor" id="a5bec05bdd8ee19da50dfc0d5aa570bd2"></a><!-- doxytag: member="std::linear_congruential_engine::seed" ref="a5bec05bdd8ee19da50dfc0d5aa570bd2" args="(_Sseq &__q)" --> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _UIntType , _UIntType __a, _UIntType __c, _UIntType __m> </div> <div class="memtemplate"> template<typename _Sseq > </div> <table class="memname"> <tr> <td class="memname"><a class="el" href="a00255.html">std::enable_if</a>< <a class="el" href="a00537.html">std::is_class</a>< _Sseq >::value >::type <a class="el" href="a00579.html">std::linear_congruential_engine</a>< _UIntType, __a, __c, __m >::seed </td> <td>(</td> <td class="paramtype">_Sseq & </td> <td class="paramname"><em>__q</em></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Reseeds the linear_congruential_engine random number generator engine sequence using values from the seed sequence <code>__q</code>. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">__q</td><td>the seed sequence.</td></tr> </table> </dd> </dl> <p>Seeds the LCR engine with a value generated by <code>__q</code>. </p> <p>Definition at line <a class="el" href="a00998_source.html#l00152">152</a> of file <a class="el" href="a00998_source.html">random.tcc</a>.</p> <p>References <a class="el" href="a01046_source.html#l00972">std::__lg()</a>.</p> </div> </div> <a class="anchor" id="aa0c9986cf366682ff3311bca8021ee19"></a><!-- doxytag: member="std::linear_congruential_engine::seed" ref="aa0c9986cf366682ff3311bca8021ee19" args="(result_type __s=default_seed)" --> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _UIntType , _UIntType __a, _UIntType __c, _UIntType __m> </div> <table class="memname"> <tr> <td class="memname">void <a class="el" href="a00579.html">std::linear_congruential_engine</a>< _UIntType, __a, __c, __m >::seed </td> <td>(</td> <td class="paramtype"><a class="el" href="a00579.html#ae47aa1543eb8eef0d874551586c0a8df">result_type</a> </td> <td class="paramname"><em>__s</em> = <code>default_seed</code></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Reseeds the linear_congruential_engine random number generator engine sequence to the seed <code>__s</code>. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">__s</td><td>The new seed.</td></tr> </table> </dd> </dl> <p>Seeds the LCR with integral value <code>__s</code>, adjusted so that the ring identity is never a member of the convergence set. </p> <p>Definition at line <a class="el" href="a00998_source.html#l00136">136</a> of file <a class="el" href="a00998_source.html">random.tcc</a>.</p> <p>Referenced by <a class="el" href="a00997_source.html#l00202">std::linear_congruential_engine< _UIntType, __a, __c, __m >::linear_congruential_engine()</a>.</p> </div> </div> <hr/><h2>Friends And Related Function Documentation</h2> <a class="anchor" id="a3e62622908b8c423c439dc9dca8af81a"></a><!-- doxytag: member="std::linear_congruential_engine::operator<<" ref="a3e62622908b8c423c439dc9dca8af81a" args="(std::basic_ostream< _CharT, _Traits > &, const std::linear_congruential_engine< _UIntType1, __a1, __c1, __m1 > &)" --> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> </div> <div class="memtemplate"> template<typename _UIntType1 , _UIntType1 __a1, _UIntType1 __c1, _UIntType1 __m1, typename _CharT , typename _Traits > </div> <table class="memname"> <tr> <td class="memname"><a class="el" href="a00251.html">std::basic_ostream</a><_CharT, _Traits>& operator<< </td> <td>(</td> <td class="paramtype"><a class="el" href="a00251.html">std::basic_ostream</a>< _CharT, _Traits > & </td> <td class="paramname">, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="a00579.html">std::linear_congruential_engine</a>< _UIntType1, __a1, __c1, __m1 > & </td> <td class="paramname"> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td><code> [friend]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Writes the textual representation of the state x(i) of x to <code>__os</code>. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">__os</td><td>The output stream. </td></tr> <tr><td class="paramname">__lcr</td><td>A % <a class="el" href="a00579.html" title="A model of a linear congruential random number generator.">linear_congruential_engine</a> random number generator. </td></tr> </table> </dd> </dl> <dl class="return"><dt><b>Returns:</b></dt><dd>__os. </dd></dl> </div> </div> <a class="anchor" id="ab062526efb78cd1480aff1eb1544b341"></a><!-- doxytag: member="std::linear_congruential_engine::operator==" ref="ab062526efb78cd1480aff1eb1544b341" args="(const linear_congruential_engine &__lhs, const linear_congruential_engine &__rhs)" --> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> </div> <table class="memname"> <tr> <td class="memname">bool operator== </td> <td>(</td> <td class="paramtype">const <a class="el" href="a00579.html">linear_congruential_engine</a>< _UIntType, __a, __c, __m > & </td> <td class="paramname"><em>__lhs</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="a00579.html">linear_congruential_engine</a>< _UIntType, __a, __c, __m > & </td> <td class="paramname"><em>__rhs</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td><code> [friend]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Compares two linear congruential random number generator objects of the same type for equality. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">__lhs</td><td>A linear congruential random number generator object. </td></tr> <tr><td class="paramname">__rhs</td><td>Another linear congruential random number generator object.</td></tr> </table> </dd> </dl> <dl class="return"><dt><b>Returns:</b></dt><dd>true if the infinite sequences of generated values would be equal, false otherwise. </dd></dl> <p>Definition at line <a class="el" href="a00997_source.html#l00287">287</a> of file <a class="el" href="a00997_source.html">random.h</a>.</p> </div> </div> <a class="anchor" id="af6f2a12896f78e6d53370278e11f86fd"></a><!-- doxytag: member="std::linear_congruential_engine::operator>>" ref="af6f2a12896f78e6d53370278e11f86fd" args="(std::basic_istream< _CharT, _Traits > &, std::linear_congruential_engine< _UIntType1, __a1, __c1, __m1 > &)" --> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> </div> <div class="memtemplate"> template<typename _UIntType1 , _UIntType1 __a1, _UIntType1 __c1, _UIntType1 __m1, typename _CharT , typename _Traits > </div> <table class="memname"> <tr> <td class="memname"><a class="el" href="a00250.html">std::basic_istream</a><_CharT, _Traits>& operator>> </td> <td>(</td> <td class="paramtype"><a class="el" href="a00250.html">std::basic_istream</a>< _CharT, _Traits > & </td> <td class="paramname">, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="a00579.html">std::linear_congruential_engine</a>< _UIntType1, __a1, __c1, __m1 > & </td> <td class="paramname"> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td><code> [friend]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Sets the state of the engine by reading its textual representation from <code>__is</code>. </p> <p>The textual representation must have been previously written using an output stream whose imbued locale and whose type's template specialization arguments _CharT and _Traits were the same as those of <code>__is</code>.</p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">__is</td><td>The input stream. </td></tr> <tr><td class="paramname">__lcr</td><td>A % <a class="el" href="a00579.html" title="A model of a linear congruential random number generator.">linear_congruential_engine</a> random number generator. </td></tr> </table> </dd> </dl> <dl class="return"><dt><b>Returns:</b></dt><dd>__is. </dd></dl> </div> </div> <hr/><h2>Member Data Documentation</h2> <a class="anchor" id="ad2d0da3af999df8d7992143640f344a6"></a><!-- doxytag: member="std::linear_congruential_engine::increment" ref="ad2d0da3af999df8d7992143640f344a6" args="" --> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> </div> <table class="memname"> <tr> <td class="memname">constexpr _UIntType <a class="el" href="a00579.html">std::linear_congruential_engine</a>< _UIntType, __a, __c, __m >::<a class="el" href="a00579.html#ad2d0da3af999df8d7992143640f344a6">increment</a><code> [static]</code></td> </tr> </table> </div> <div class="memdoc"> <p>An increment. </p> <p>Definition at line <a class="el" href="a00997_source.html#l00189">189</a> of file <a class="el" href="a00997_source.html">random.h</a>.</p> </div> </div> <a class="anchor" id="a9c73f24c92d06c4aa7c5b2c37d8c6dcb"></a><!-- doxytag: member="std::linear_congruential_engine::modulus" ref="a9c73f24c92d06c4aa7c5b2c37d8c6dcb" args="" --> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> </div> <table class="memname"> <tr> <td class="memname">constexpr _UIntType <a class="el" href="a00579.html">std::linear_congruential_engine</a>< _UIntType, __a, __c, __m >::<a class="el" href="a00603.html">modulus</a><code> [static]</code></td> </tr> </table> </div> <div class="memdoc"> <p>The modulus. </p> <p>Definition at line <a class="el" href="a00997_source.html#l00191">191</a> of file <a class="el" href="a00997_source.html">random.h</a>.</p> </div> </div> <a class="anchor" id="a5f6ca5414f03b35e0a82731cf9cd6496"></a><!-- doxytag: member="std::linear_congruential_engine::multiplier" ref="a5f6ca5414f03b35e0a82731cf9cd6496" args="" --> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> </div> <table class="memname"> <tr> <td class="memname">constexpr _UIntType <a class="el" href="a00579.html">std::linear_congruential_engine</a>< _UIntType, __a, __c, __m >::<a class="el" href="a00579.html#a5f6ca5414f03b35e0a82731cf9cd6496">multiplier</a><code> [static]</code></td> </tr> </table> </div> <div class="memdoc"> <p>The multiplier. </p> <p>Definition at line <a class="el" href="a00997_source.html#l00187">187</a> of file <a class="el" href="a00997_source.html">random.h</a>.</p> </div> </div> <hr/>The documentation for this class was generated from the following files:<ul> <li><a class="el" href="a00997_source.html">random.h</a></li> <li><a class="el" href="a00998_source.html">random.tcc</a></li> </ul> </div> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="a01137.html">std</a> </li> <li class="navelem"><a class="el" href="a00579.html">linear_congruential_engine</a> </li> <li class="footer">Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </li> </ul> </div> </body> </html>