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| <a name="boost.random.inversive_congruential__id1245770"></a><div class="titlepage"></div> |
| <div class="refnamediv"> |
| <h2><span class="refentrytitle">Class template inversive_congruential_engine</span></h2> |
| <p>boost::random::inversive_congruential_engine</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: <<a class="link" href="../../boost_random/reference.html#header.boost.random.inversive_congruential_hpp" title="Header <boost/random/inversive_congruential.hpp>">boost/random/inversive_congruential.hpp</a>> |
| |
| </span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> IntType<span class="special">,</span> <span class="identifier">IntType</span> a<span class="special">,</span> <span class="identifier">IntType</span> b<span class="special">,</span> <span class="identifier">IntType</span> p<span class="special">></span> |
| <span class="keyword">class</span> <a class="link" href="inversive_congruential__id1245770.html" title="Class template inversive_congruential_engine">inversive_congruential_engine</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.inversive_congruential__id1245770.result_type"></a><span class="identifier">result_type</span><span class="special">;</span> |
| |
| <span class="comment">// <a class="link" href="inversive_congruential__id1245770.html#boost.random.inversive_congruential__id1245770construct-copy-destruct">construct/copy/destruct</a></span> |
| <a class="link" href="inversive_congruential__id1245770.html#id1246116-bb"><span class="identifier">inversive_congruential_engine</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">explicit</span> <a class="link" href="inversive_congruential__id1245770.html#id1246128-bb"><span class="identifier">inversive_congruential_engine</span></a><span class="special">(</span><span class="identifier">IntType</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> SeedSeq<span class="special">></span> <span class="keyword">explicit</span> <a class="link" href="inversive_congruential__id1245770.html#id1246152-bb"><span class="identifier">inversive_congruential_engine</span></a><span class="special">(</span><span class="identifier">SeedSeq</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> It<span class="special">></span> <a class="link" href="inversive_congruential__id1245770.html#id1246184-bb"><span class="identifier">inversive_congruential_engine</span></a><span class="special">(</span><span class="identifier">It</span> <span class="special">&</span><span class="special">,</span> <span class="identifier">It</span><span class="special">)</span><span class="special">;</span> |
| |
| <span class="comment">// <a class="link" href="inversive_congruential__id1245770.html#id1245909-bb">public static functions</a></span> |
| <span class="keyword">static</span> <span class="identifier">result_type</span> <a class="link" href="inversive_congruential__id1245770.html#id1245913-bb"><span class="identifier">min</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">static</span> <span class="identifier">result_type</span> <a class="link" href="inversive_congruential__id1245770.html#id1245921-bb"><span class="identifier">max</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> |
| |
| <span class="comment">// <a class="link" href="inversive_congruential__id1245770.html#id1245929-bb">public member functions</a></span> |
| <span class="keyword">void</span> <a class="link" href="inversive_congruential__id1245770.html#id1245932-bb"><span class="identifier">seed</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">void</span> <a class="link" href="inversive_congruential__id1245770.html#id1245944-bb"><span class="identifier">seed</span></a><span class="special">(</span><span class="identifier">IntType</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> SeedSeq<span class="special">></span> <span class="keyword">void</span> <a class="link" href="inversive_congruential__id1245770.html#id1245965-bb"><span class="identifier">seed</span></a><span class="special">(</span><span class="identifier">SeedSeq</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> It<span class="special">></span> <span class="keyword">void</span> <a class="link" href="inversive_congruential__id1245770.html#id1245997-bb"><span class="identifier">seed</span></a><span class="special">(</span><span class="identifier">It</span> <span class="special">&</span><span class="special">,</span> <span class="identifier">It</span><span class="special">)</span><span class="special">;</span> |
| <span class="identifier">IntType</span> <a class="link" href="inversive_congruential__id1245770.html#id1246053-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> |
| <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Iter<span class="special">></span> <span class="keyword">void</span> <a class="link" href="inversive_congruential__id1245770.html#id1246064-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> |
| <span class="keyword">void</span> <a class="link" href="inversive_congruential__id1245770.html#id1246094-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> |
| |
| <span class="comment">// <a class="link" href="inversive_congruential__id1245770.html#id1246224-bb">friend functions</a></span> |
| <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> Traits<span class="special">></span> |
| <span class="keyword">friend</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special"><</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">></span> <span class="special">&</span> |
| <a class="link" href="inversive_congruential__id1245770.html#id1246227-bb"><span class="keyword">operator</span><span class="special"><<</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special"><</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">></span> <span class="special">&</span><span class="special">,</span> |
| <span class="keyword">const</span> <a class="link" href="inversive_congruential__id1245770.html" title="Class template inversive_congruential_engine">inversive_congruential_engine</a> <span class="special">&</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> Traits<span class="special">></span> |
| <span class="keyword">friend</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_istream</span><span class="special"><</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">></span> <span class="special">&</span> |
| <a class="link" href="inversive_congruential__id1245770.html#id1246270-bb"><span class="keyword">operator</span><span class="special">>></span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_istream</span><span class="special"><</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">></span> <span class="special">&</span><span class="special">,</span> |
| <span class="keyword">const</span> <a class="link" href="inversive_congruential__id1245770.html" title="Class template inversive_congruential_engine">inversive_congruential_engine</a> <span class="special">&</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">friend</span> <span class="keyword">bool</span> <a class="link" href="inversive_congruential__id1245770.html#id1246314-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="inversive_congruential__id1245770.html" title="Class template inversive_congruential_engine">inversive_congruential_engine</a> <span class="special">&</span><span class="special">,</span> |
| <span class="keyword">const</span> <a class="link" href="inversive_congruential__id1245770.html" title="Class template inversive_congruential_engine">inversive_congruential_engine</a> <span class="special">&</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">friend</span> <span class="keyword">bool</span> <a class="link" href="inversive_congruential__id1245770.html#id1246346-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="inversive_congruential__id1245770.html" title="Class template inversive_congruential_engine">inversive_congruential_engine</a> <span class="special">&</span><span class="special">,</span> |
| <span class="keyword">const</span> <a class="link" href="inversive_congruential__id1245770.html" title="Class template inversive_congruential_engine">inversive_congruential_engine</a> <span class="special">&</span><span class="special">)</span><span class="special">;</span> |
| |
| <span class="comment">// public data members</span> |
| <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> |
| <span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">result_type</span> <span class="identifier">multiplier</span><span class="special">;</span> |
| <span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">result_type</span> <span class="identifier">increment</span><span class="special">;</span> |
| <span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">result_type</span> <span class="identifier">modulus</span><span class="special">;</span> |
| <span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">IntType</span> <span class="identifier">default_seed</span><span class="special">;</span> |
| <span class="special">}</span><span class="special">;</span></pre></div> |
| <div class="refsect1"> |
| <a name="id2687065"></a><h2>Description</h2> |
| <p>Instantiations of class template <code class="computeroutput"><a class="link" href="inversive_congruential__id1245770.html" title="Class template inversive_congruential_engine">inversive_congruential_engine</a></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 uses the inversive congruential algorithm (ICG) described in</p> |
| <p> </p> |
| <div class="blockquote"><blockquote class="blockquote"><p> "Inversive pseudorandom number generators: concepts, results and links", Peter Hellekalek, In: "Proceedings of the 1995 Winter Simulation |
| Conference", C. Alexopoulos, K. Kang, W.R. Lilegdon, and D. Goldsman (editors), 1995, pp. 255-262. <a href="ftp://random.mat.sbg.ac.at/pub/data/wsc95.ps" target="_top">ftp://random.mat.sbg.ac.at/pub/data/wsc95.ps</a> </p></blockquote></div> |
| <p> </p> |
| <p>The output sequence is defined by x(n+1) = (a*inv(x(n)) - b) (mod p), where x(0), a, b, and the prime number p are parameters of the generator. The expression inv(k) denotes the multiplicative inverse of k in the field of integer numbers modulo p, with inv(0) := 0.</p> |
| <p>The template parameter IntType shall denote a signed integral type large enough to hold p; a, b, and p are the parameters of the generators. The template parameter val is the validation value checked by validation.</p> |
| <p> </p> |
| <div class="note"><table border="0" summary="Note"> |
| <tr> |
| <td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../doc/src/images/note.png"></td> |
| <th align="left">Note</th> |
| </tr> |
| <tr><td align="left" valign="top"><p> The implementation currently uses the Euclidian Algorithm to compute the multiplicative inverse. Therefore, the inversive generators are about 10-20 times slower than the others (see section"performance"). However, the paper talks of only 3x slowdown, so the Euclidian Algorithm is probably not optimal for calculating the multiplicative inverse. </p></td></tr> |
| </table></div> |
| <p> </p> |
| <div class="refsect2"> |
| <a name="id2687135"></a><h3> |
| <a name="boost.random.inversive_congruential__id1245770construct-copy-destruct"></a><code class="computeroutput">inversive_congruential_engine</code> |
| public |
| construct/copy/destruct</h3> |
| <div class="orderedlist"><ol class="orderedlist" type="1"> |
| <li class="listitem"> |
| <pre class="literallayout"><a name="id1246116-bb"></a><span class="identifier">inversive_congruential_engine</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> |
| <p>Constructs an <code class="computeroutput"><code class="computeroutput"><a class="link" href="inversive_congruential__id1245770.html" title="Class template inversive_congruential_engine">inversive_congruential_engine</a></code></code>, seeding it with the default seed. </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">explicit</span> <a name="id1246128-bb"></a><span class="identifier">inversive_congruential_engine</span><span class="special">(</span><span class="identifier">IntType</span> x0<span class="special">)</span><span class="special">;</span></pre> |
| <p>Constructs an <code class="computeroutput"><code class="computeroutput"><a class="link" href="inversive_congruential__id1245770.html" title="Class template inversive_congruential_engine">inversive_congruential_engine</a></code></code>, seeding it with <code class="computeroutput">x0</code>. </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> SeedSeq<span class="special">></span> |
| <span class="keyword">explicit</span> <a name="id1246152-bb"></a><span class="identifier">inversive_congruential_engine</span><span class="special">(</span><span class="identifier">SeedSeq</span> <span class="special">&</span> seq<span class="special">)</span><span class="special">;</span></pre> |
| <p>Constructs an <code class="computeroutput"><code class="computeroutput"><a class="link" href="inversive_congruential__id1245770.html" title="Class template inversive_congruential_engine">inversive_congruential_engine</a></code></code>, seeding it with values produced by a call to <code class="computeroutput">seq.generate()</code>. </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> It<span class="special">></span> <a name="id1246184-bb"></a><span class="identifier">inversive_congruential_engine</span><span class="special">(</span><span class="identifier">It</span> <span class="special">&</span> first<span class="special">,</span> <span class="identifier">It</span> last<span class="special">)</span><span class="special">;</span></pre> |
| <p>Constructs an <code class="computeroutput"><code class="computeroutput"><a class="link" href="inversive_congruential__id1245770.html" title="Class template inversive_congruential_engine">inversive_congruential_engine</a></code></code>, seeds it with values taken from the itrator range [first, last), and adjusts first to point to the element after the last one used. If there are not enough elements, throws <code class="computeroutput">std::invalid_argument</code>.</p> |
| <p>first and last must be input iterators. </p> |
| </li> |
| </ol></div> |
| </div> |
| <div class="refsect2"> |
| <a name="id2687457"></a><h3> |
| <a name="id1245909-bb"></a><code class="computeroutput">inversive_congruential_engine</code> public static functions</h3> |
| <div class="orderedlist"><ol class="orderedlist" type="1"> |
| <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">result_type</span> <a name="id1245913-bb"></a><span class="identifier">min</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> |
| <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">result_type</span> <a name="id1245921-bb"></a><span class="identifier">max</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> |
| </ol></div> |
| </div> |
| <div class="refsect2"> |
| <a name="id2687555"></a><h3> |
| <a name="id1245929-bb"></a><code class="computeroutput">inversive_congruential_engine</code> public member functions</h3> |
| <div class="orderedlist"><ol class="orderedlist" type="1"> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">void</span> <a name="id1245932-bb"></a><span class="identifier">seed</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> |
| <p>Calls seed(default_seed) </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">void</span> <a name="id1245944-bb"></a><span class="identifier">seed</span><span class="special">(</span><span class="identifier">IntType</span> x0<span class="special">)</span><span class="special">;</span></pre> |
| <p>If c mod m is zero and x0 mod m is zero, changes the current value of the generator to 1. Otherwise, changes it to x0 mod m. If c is zero, distinct seeds in the range [1,m) will leave the generator in distinct states. If c is not zero, the range is [0,m). </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> SeedSeq<span class="special">></span> <span class="keyword">void</span> <a name="id1245965-bb"></a><span class="identifier">seed</span><span class="special">(</span><span class="identifier">SeedSeq</span> <span class="special">&</span> seq<span class="special">)</span><span class="special">;</span></pre> |
| <p>Seeds an <code class="computeroutput"><code class="computeroutput"><a class="link" href="inversive_congruential__id1245770.html" title="Class template inversive_congruential_engine">inversive_congruential_engine</a></code></code> using values from a SeedSeq. </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> It<span class="special">></span> <span class="keyword">void</span> <a name="id1245997-bb"></a><span class="identifier">seed</span><span class="special">(</span><span class="identifier">It</span> <span class="special">&</span> first<span class="special">,</span> <span class="identifier">It</span> last<span class="special">)</span><span class="special">;</span></pre> |
| <p>seeds an <code class="computeroutput"><code class="computeroutput"><a class="link" href="inversive_congruential__id1245770.html" title="Class template inversive_congruential_engine">inversive_congruential_engine</a></code></code> with values taken from the itrator range [first, last) and adjusts <code class="computeroutput">first</code> to point to the element after the last one used. If there are not enough elements, throws <code class="computeroutput">std::invalid_argument</code>.</p> |
| <p><code class="computeroutput">first</code> and <code class="computeroutput">last</code> must be input iterators. </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="identifier">IntType</span> <a name="id1246053-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> |
| <p>Returns the next output of the generator. </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Iter<span class="special">></span> <span class="keyword">void</span> <a name="id1246064-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> |
| <p>Fills a range with random values </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">void</span> <a name="id1246094-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> |
| <p>Advances the state of the generator by <code class="computeroutput">z</code>. </p> |
| </li> |
| </ol></div> |
| </div> |
| <div class="refsect2"> |
| <a name="id2688043"></a><h3> |
| <a name="id1246224-bb"></a><code class="computeroutput">inversive_congruential_engine</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"><</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> Traits<span class="special">></span> |
| <span class="keyword">friend</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special"><</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">></span> <span class="special">&</span> |
| <a name="id1246227-bb"></a><span class="keyword">operator</span><span class="special"><<</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special"><</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">></span> <span class="special">&</span> os<span class="special">,</span> |
| <span class="keyword">const</span> <a class="link" href="inversive_congruential__id1245770.html" title="Class template inversive_congruential_engine">inversive_congruential_engine</a> <span class="special">&</span> x<span class="special">)</span><span class="special">;</span></pre> |
| <p>Writes the textual representation of the generator to a <code class="computeroutput">std::ostream</code>. </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> Traits<span class="special">></span> |
| <span class="keyword">friend</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_istream</span><span class="special"><</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">></span> <span class="special">&</span> |
| <a name="id1246270-bb"></a><span class="keyword">operator</span><span class="special">>></span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_istream</span><span class="special"><</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">></span> <span class="special">&</span> is<span class="special">,</span> |
| <span class="keyword">const</span> <a class="link" href="inversive_congruential__id1245770.html" title="Class template inversive_congruential_engine">inversive_congruential_engine</a> <span class="special">&</span> x<span class="special">)</span><span class="special">;</span></pre> |
| <p>Reads the textual representation of the generator 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="id1246314-bb"></a><span class="keyword">operator</span><span class="special">==</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="inversive_congruential__id1245770.html" title="Class template inversive_congruential_engine">inversive_congruential_engine</a> <span class="special">&</span> x<span class="special">,</span> |
| <span class="keyword">const</span> <a class="link" href="inversive_congruential__id1245770.html" title="Class template inversive_congruential_engine">inversive_congruential_engine</a> <span class="special">&</span> y<span class="special">)</span><span class="special">;</span></pre> |
| <p>Returns true if the two generators will produce identical sequences of outputs. </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">friend</span> <span class="keyword">bool</span> <a name="id1246346-bb"></a><span class="keyword">operator</span><span class="special">!=</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="inversive_congruential__id1245770.html" title="Class template inversive_congruential_engine">inversive_congruential_engine</a> <span class="special">&</span> lhs<span class="special">,</span> |
| <span class="keyword">const</span> <a class="link" href="inversive_congruential__id1245770.html" title="Class template inversive_congruential_engine">inversive_congruential_engine</a> <span class="special">&</span> rhs<span class="special">)</span><span class="special">;</span></pre> |
| <p>Returns true if the two generators will produce different sequences of outputs. </p> |
| </li> |
| </ol></div> |
| </div> |
| </div> |
| </div> |
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| <td align="right"><div class="copyright-footer">Copyright © 2000-2005 Jens Maurer<br>Copyright © 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>) |
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