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   5 <title>Class template linear_feedback_shift_engine</title>
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  27 <a name="boost.random.linear_feedba_idp936258800"></a><div class="titlepage"></div>
  28 <div class="refnamediv">
  29 <h2><span class="refentrytitle">Class template linear_feedback_shift_engine</span></h2>
  30 <p>boost::random::linear_feedback_shift_engine</p>
  31 </div>
  32 <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
  33 <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.linear_feedback_shift_hpp" title="Header &lt;boost/random/linear_feedback_shift.hpp&gt;">boost/random/linear_feedback_shift.hpp</a>&gt;
  34
  35 </span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> UIntType<span class="special">,</span> <span class="keyword">int</span> w<span class="special">,</span> <span class="keyword">int</span> k<span class="special">,</span> <span class="keyword">int</span> q<span class="special">,</span> <span class="keyword">int</span> s<span class="special">&gt;</span>
  36 <span class="keyword">class</span> <a class="link" href="linear_feedba_idp936258800.html" title="Class template linear_feedback_shift_engine">linear_feedback_shift_engine</a> <span class="special">{</span>
  37 <span class="keyword">public</span><span class="special">:</span>
  38   <span class="comment">// types</span>
  39   <span class="keyword">typedef</span> <span class="identifier">UIntType</span> <a name="boost.random.linear_feedba_idp936258800.result_type"></a><span class="identifier">result_type</span><span class="special">;</span>
  40
  41   <span class="comment">// <a class="link" href="linear_feedba_idp936258800.html#boost.random.linear_feedba_idp936258800construct-copy-destruct">construct/copy/destruct</a></span>
  42   <a class="link" href="linear_feedba_idp936258800.html#idp936299536-bb"><span class="identifier">linear_feedback_shift_engine</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  43   <span class="keyword">explicit</span> <a class="link" href="linear_feedba_idp936258800.html#idp936301152-bb"><span class="identifier">linear_feedback_shift_engine</span></a><span class="special">(</span><span class="identifier">UIntType</span><span class="special">)</span><span class="special">;</span>
  44   <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> SeedSeq<span class="special">&gt;</span> <span class="keyword">explicit</span> <a class="link" href="linear_feedba_idp936258800.html#idp936303712-bb"><span class="identifier">linear_feedback_shift_engine</span></a><span class="special">(</span><span class="identifier">SeedSeq</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  45   <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> It<span class="special">&gt;</span> <a class="link" href="linear_feedba_idp936258800.html#idp936307120-bb"><span class="identifier">linear_feedback_shift_engine</span></a><span class="special">(</span><span class="identifier">It</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">It</span><span class="special">)</span><span class="special">;</span>
  46
  47   <span class="comment">// <a class="link" href="linear_feedba_idp936258800.html#idp936273664-bb">public static functions</a></span>
  48   <span class="keyword">static</span> <span class="identifier">result_type</span> <a class="link" href="linear_feedba_idp936258800.html#idp936274224-bb"><span class="identifier">min</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  49   <span class="keyword">static</span> <span class="identifier">result_type</span> <a class="link" href="linear_feedba_idp936258800.html#idp936275808-bb"><span class="identifier">max</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  50
  51   <span class="comment">// <a class="link" href="linear_feedba_idp936258800.html#idp936277552-bb">public member functions</a></span>
  52   <span class="keyword">void</span> <a class="link" href="linear_feedba_idp936258800.html#idp936278112-bb"><span class="identifier">seed</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  53   <span class="keyword">void</span> <a class="link" href="linear_feedba_idp936258800.html#idp936280288-bb"><span class="identifier">seed</span></a><span class="special">(</span><span class="identifier">UIntType</span><span class="special">)</span><span class="special">;</span>
  54   <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> SeedSeq<span class="special">&gt;</span> <span class="keyword">void</span> <a class="link" href="linear_feedba_idp936258800.html#idp936283584-bb"><span class="identifier">seed</span></a><span class="special">(</span><span class="identifier">SeedSeq</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  55   <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> It<span class="special">&gt;</span> <span class="keyword">void</span> <a class="link" href="linear_feedba_idp936258800.html#idp936287744-bb"><span class="identifier">seed</span></a><span class="special">(</span><span class="identifier">It</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">It</span><span class="special">)</span><span class="special">;</span>
  56   <span class="identifier">result_type</span> <a class="link" href="linear_feedba_idp936258800.html#idp936292160-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  57   <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Iter<span class="special">&gt;</span> <span class="keyword">void</span> <a class="link" href="linear_feedba_idp936258800.html#idp936293456-bb"><span class="identifier">generate</span></a><span class="special">(</span><span class="identifier">Iter</span><span class="special">,</span> <span class="identifier">Iter</span><span class="special">)</span><span class="special">;</span>
  58   <span class="keyword">void</span> <a class="link" href="linear_feedba_idp936258800.html#idp936296960-bb"><span class="identifier">discard</span></a><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">uintmax_t</span><span class="special">)</span><span class="special">;</span>
  59
  60   <span class="comment">// <a class="link" href="linear_feedba_idp936258800.html#idp936310976-bb">friend functions</a></span>
  61   <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>
  62     <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>
  63     <a class="link" href="linear_feedba_idp936258800.html#idp936311536-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>
  64                <span class="keyword">const</span> <a class="link" href="linear_feedba_idp936258800.html" title="Class template linear_feedback_shift_engine">linear_feedback_shift_engine</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  65   <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>
  66     <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>
  67     <a class="link" href="linear_feedba_idp936258800.html#idp936316592-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>
  68                <span class="keyword">const</span> <a class="link" href="linear_feedba_idp936258800.html" title="Class template linear_feedback_shift_engine">linear_feedback_shift_engine</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  69   <span class="keyword">friend</span> <span class="keyword">bool</span> <a class="link" href="linear_feedba_idp936258800.html#idp936321648-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="linear_feedba_idp936258800.html" title="Class template linear_feedback_shift_engine">linear_feedback_shift_engine</a> <span class="special">&amp;</span><span class="special">,</span>
  70                          <span class="keyword">const</span> <a class="link" href="linear_feedba_idp936258800.html" title="Class template linear_feedback_shift_engine">linear_feedback_shift_engine</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  71   <span class="keyword">friend</span> <span class="keyword">bool</span> <a class="link" href="linear_feedba_idp936258800.html#idp936325280-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="linear_feedba_idp936258800.html" title="Class template linear_feedback_shift_engine">linear_feedback_shift_engine</a> <span class="special">&amp;</span><span class="special">,</span>
  72                          <span class="keyword">const</span> <a class="link" href="linear_feedba_idp936258800.html" title="Class template linear_feedback_shift_engine">linear_feedback_shift_engine</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  73
  74   <span class="comment">// public data members</span>
  75   <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">bool</span> <span class="identifier">has_fixed_range</span><span class="special">;</span>
  76   <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">int</span> <span class="identifier">word_size</span><span class="special">;</span>
  77   <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">int</span> <span class="identifier">exponent1</span><span class="special">;</span>
  78   <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">int</span> <span class="identifier">exponent2</span><span class="special">;</span>
  79   <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">int</span> <span class="identifier">step_size</span><span class="special">;</span>
  80   <span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">UIntType</span> <span class="identifier">default_seed</span><span class="special">;</span>
  81 <span class="special">}</span><span class="special">;</span></pre></div>
  82 <div class="refsect1">
  83 <a name="idp588463536"></a><h2>Description</h2>
  84 <p>Instatiations of <code class="computeroutput">linear_feedback_shift</code> model a  <a class="link" href="../../boost_random/reference.html#boost_random.reference.concepts.pseudo_random_number_generator" title="Pseudo-Random Number Generator">pseudo-random number generator</a> . It was originally proposed in</p>
  85 <p> </p>
  86 <div class="blockquote"><blockquote class="blockquote"><p>  "Random numbers generated by linear recurrence modulo two.", Tausworthe, R. C.(1965), Mathematics of Computation 19, 201-209.  </p></blockquote></div>
  87 <p>  </p>
  88 <div class="refsect2">
  89 <a name="idp588466912"></a><h3>
  90 <a name="boost.random.linear_feedba_idp936258800construct-copy-destruct"></a><code class="computeroutput">linear_feedback_shift_engine</code>
  91         public
  92        construct/copy/destruct</h3>
  93 <div class="orderedlist"><ol class="orderedlist" type="1">
  94 <li class="listitem">
  95 <pre class="literallayout"><a name="idp936299536-bb"></a><span class="identifier">linear_feedback_shift_engine</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
  96 <p>Constructs a <code class="computeroutput"><code class="computeroutput"><a class="link" href="linear_feedba_idp936258800.html" title="Class template linear_feedback_shift_engine">linear_feedback_shift_engine</a></code></code>, using the default seed. </p>
  97 </li>
  98 <li class="listitem">
  99 <pre class="literallayout"><span class="keyword">explicit</span> <a name="idp936301152-bb"></a><span class="identifier">linear_feedback_shift_engine</span><span class="special">(</span><span class="identifier">UIntType</span> s0<span class="special">)</span><span class="special">;</span></pre>
 100 <p>Constructs a <code class="computeroutput"><code class="computeroutput"><a class="link" href="linear_feedba_idp936258800.html" title="Class template linear_feedback_shift_engine">linear_feedback_shift_engine</a></code></code>, seeding it with s0. </p>
 101 </li>
 102 <li class="listitem">
 103 <pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> SeedSeq<span class="special">&gt;</span>
 104   <span class="keyword">explicit</span> <a name="idp936303712-bb"></a><span class="identifier">linear_feedback_shift_engine</span><span class="special">(</span><span class="identifier">SeedSeq</span> <span class="special">&amp;</span> seq<span class="special">)</span><span class="special">;</span></pre>
 105 <p>Constructs a <code class="computeroutput"><code class="computeroutput"><a class="link" href="linear_feedba_idp936258800.html" title="Class template linear_feedback_shift_engine">linear_feedback_shift_engine</a></code></code>, seeding it with seq. </p>
 106 </li>
 107 <li class="listitem">
 108 <pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> It<span class="special">&gt;</span> <a name="idp936307120-bb"></a><span class="identifier">linear_feedback_shift_engine</span><span class="special">(</span><span class="identifier">It</span> <span class="special">&amp;</span> first<span class="special">,</span> <span class="identifier">It</span> last<span class="special">)</span><span class="special">;</span></pre>
 109 <p>Constructs a <code class="computeroutput"><code class="computeroutput"><a class="link" href="linear_feedba_idp936258800.html" title="Class template linear_feedback_shift_engine">linear_feedback_shift_engine</a></code></code>, seeding it with values from the range [first, last). </p>
 110 </li>
 111 </ol></div>
 112 </div>
 113 <div class="refsect2">
 114 <a name="idp588503040"></a><h3>
 115 <a name="idp936273664-bb"></a><code class="computeroutput">linear_feedback_shift_engine</code> public static functions</h3>
 116 <div class="orderedlist"><ol class="orderedlist" type="1">
 117 <li class="listitem">
 118 <pre class="literallayout"><span class="keyword">static</span> <span class="identifier">result_type</span> <a name="idp936274224-bb"></a><span class="identifier">min</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
 119 <p>Returns the smallest value that the generator can produce. </p>
 120 </li>
 121 <li class="listitem">
 122 <pre class="literallayout"><span class="keyword">static</span> <span class="identifier">result_type</span> <a name="idp936275808-bb"></a><span class="identifier">max</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
 123 <p>Returns the largest value that the generator can produce. </p>
 124 </li>
 125 </ol></div>
 126 </div>
 127 <div class="refsect2">
 128 <a name="idp588515824"></a><h3>
 129 <a name="idp936277552-bb"></a><code class="computeroutput">linear_feedback_shift_engine</code> public member functions</h3>
 130 <div class="orderedlist"><ol class="orderedlist" type="1">
 131 <li class="listitem">
 132 <pre class="literallayout"><span class="keyword">void</span> <a name="idp936278112-bb"></a><span class="identifier">seed</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
 133 <p>Seeds a <code class="computeroutput"><code class="computeroutput"><a class="link" href="linear_feedba_idp936258800.html" title="Class template linear_feedback_shift_engine">linear_feedback_shift_engine</a></code></code> with the default seed. </p>
 134 </li>
 135 <li class="listitem">
 136 <pre class="literallayout"><span class="keyword">void</span> <a name="idp936280288-bb"></a><span class="identifier">seed</span><span class="special">(</span><span class="identifier">UIntType</span> s0<span class="special">)</span><span class="special">;</span></pre>
 137 <p>Seeds a <code class="computeroutput"><code class="computeroutput"><a class="link" href="linear_feedba_idp936258800.html" title="Class template linear_feedback_shift_engine">linear_feedback_shift_engine</a></code></code> with <code class="computeroutput">s0</code>. </p>
 138 </li>
 139 <li class="listitem">
 140 <pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> SeedSeq<span class="special">&gt;</span> <span class="keyword">void</span> <a name="idp936283584-bb"></a><span class="identifier">seed</span><span class="special">(</span><span class="identifier">SeedSeq</span> <span class="special">&amp;</span> seq<span class="special">)</span><span class="special">;</span></pre>
 141 <p>Seeds a <code class="computeroutput"><code class="computeroutput"><a class="link" href="linear_feedba_idp936258800.html" title="Class template linear_feedback_shift_engine">linear_feedback_shift_engine</a></code></code> with values produced by <code class="computeroutput">seq.generate()</code>. </p>
 142 </li>
 143 <li class="listitem">
 144 <pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> It<span class="special">&gt;</span> <span class="keyword">void</span> <a name="idp936287744-bb"></a><span class="identifier">seed</span><span class="special">(</span><span class="identifier">It</span> <span class="special">&amp;</span> first<span class="special">,</span> <span class="identifier">It</span> last<span class="special">)</span><span class="special">;</span></pre>
 145 <p>Seeds a <code class="computeroutput"><code class="computeroutput"><a class="link" href="linear_feedba_idp936258800.html" title="Class template linear_feedback_shift_engine">linear_feedback_shift_engine</a></code></code> with values from the range [first, last). </p>
 146 </li>
 147 <li class="listitem">
 148 <pre class="literallayout"><span class="identifier">result_type</span> <a name="idp936292160-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
 149 <p>Returns the next value of the generator. </p>
 150 </li>
 151 <li class="listitem">
 152 <pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Iter<span class="special">&gt;</span> <span class="keyword">void</span> <a name="idp936293456-bb"></a><span class="identifier">generate</span><span class="special">(</span><span class="identifier">Iter</span> first<span class="special">,</span> <span class="identifier">Iter</span> last<span class="special">)</span><span class="special">;</span></pre>
 153 <p>Fills a range with random values </p>
 154 </li>
 155 <li class="listitem">
 156 <pre class="literallayout"><span class="keyword">void</span> <a name="idp936296960-bb"></a><span class="identifier">discard</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">uintmax_t</span> z<span class="special">)</span><span class="special">;</span></pre>
 157 <p>Advances the state of the generator by <code class="computeroutput">z</code>. </p>
 158 </li>
 159 </ol></div>
 160 </div>
 161 <div class="refsect2">
 162 <a name="idp588576448"></a><h3>
 163 <a name="idp936310976-bb"></a><code class="computeroutput">linear_feedback_shift_engine</code> friend functions</h3>
 164 <div class="orderedlist"><ol class="orderedlist" type="1">
 165 <li class="listitem">
 166 <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>
 167   <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>
 168   <a name="idp936311536-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>
 169              <span class="keyword">const</span> <a class="link" href="linear_feedba_idp936258800.html" title="Class template linear_feedback_shift_engine">linear_feedback_shift_engine</a> <span class="special">&amp;</span> x<span class="special">)</span><span class="special">;</span></pre>
 170 <p>Writes the textual representation of the generator to a <code class="computeroutput">std::ostream</code>. </p>
 171 </li>
 172 <li class="listitem">
 173 <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>
 174   <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>
 175   <a name="idp936316592-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>
 176              <span class="keyword">const</span> <a class="link" href="linear_feedba_idp936258800.html" title="Class template linear_feedback_shift_engine">linear_feedback_shift_engine</a> <span class="special">&amp;</span> x<span class="special">)</span><span class="special">;</span></pre>
 177 <p>Reads the textual representation of the generator from a <code class="computeroutput">std::istream</code>. </p>
 178 </li>
 179 <li class="listitem">
 180 <pre class="literallayout"><span class="keyword">friend</span> <span class="keyword">bool</span> <a name="idp936321648-bb"></a><span class="keyword">operator</span><span class="special">==</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="linear_feedba_idp936258800.html" title="Class template linear_feedback_shift_engine">linear_feedback_shift_engine</a> <span class="special">&amp;</span> x<span class="special">,</span>
 181                        <span class="keyword">const</span> <a class="link" href="linear_feedba_idp936258800.html" title="Class template linear_feedback_shift_engine">linear_feedback_shift_engine</a> <span class="special">&amp;</span> y<span class="special">)</span><span class="special">;</span></pre>
 182 <p>Returns true if the two generators will produce identical sequences of outputs. </p>
 183 </li>
 184 <li class="listitem">
 185 <pre class="literallayout"><span class="keyword">friend</span> <span class="keyword">bool</span> <a name="idp936325280-bb"></a><span class="keyword">operator</span><span class="special">!=</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="linear_feedba_idp936258800.html" title="Class template linear_feedback_shift_engine">linear_feedback_shift_engine</a> <span class="special">&amp;</span> lhs<span class="special">,</span>
 186                        <span class="keyword">const</span> <a class="link" href="linear_feedba_idp936258800.html" title="Class template linear_feedback_shift_engine">linear_feedback_shift_engine</a> <span class="special">&amp;</span> rhs<span class="special">)</span><span class="special">;</span></pre>
 187 <p>Returns true if the two generators will produce different sequences of outputs. </p>
 188 </li>
 189 </ol></div>
 190 </div>
 191 </div>
 192 </div>
 193 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
 194 <td align="left"></td>
 195 <td align="right"><div class="copyright-footer">Copyright &#169; 2000-2005 Jens Maurer<br>Copyright &#169; 2009, 2010 Steven Watanabe<p>
 196         Distributed under the Boost Software License, Version 1.0. (See accompanying
 197         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>)
 198       </p>
 199 </div></td>
 200 </tr></table>
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