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| <div class="refentry"> |
| <a name="boost.random.seed_seq"></a><div class="titlepage"></div> |
| <div class="refnamediv"> |
| <h2><span class="refentrytitle">Class seed_seq</span></h2> |
| <p>boost::random::seed_seq</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.seed_seq_hpp" title="Header <boost/random/seed_seq.hpp>">boost/random/seed_seq.hpp</a>> |
| |
| </span> |
| <span class="keyword">class</span> <a class="link" href="seed_seq.html" title="Class seed_seq">seed_seq</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">boost</span><span class="special">::</span><span class="identifier">uint_least32_t</span> <a name="boost.random.seed_seq.result_type"></a><span class="identifier">result_type</span><span class="special">;</span> |
| |
| <span class="comment">// <a class="link" href="seed_seq.html#boost.random.seed_seqconstruct-copy-destruct">construct/copy/destruct</a></span> |
| <a class="link" href="seed_seq.html#idp214291808-bb"><span class="identifier">seed_seq</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> T<span class="special">></span> <a class="link" href="seed_seq.html#idp214293088-bb"><span class="identifier">seed_seq</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">initializer_list</span><span class="special"><</span> <span class="identifier">T</span> <span class="special">></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> Iter<span class="special">></span> <a class="link" href="seed_seq.html#idp214295040-bb"><span class="identifier">seed_seq</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">template</span><span class="special"><</span><span class="keyword">typename</span> Range<span class="special">></span> <span class="keyword">explicit</span> <a class="link" href="seed_seq.html#idp214297600-bb"><span class="identifier">seed_seq</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">Range</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> |
| |
| <span class="comment">// <a class="link" href="seed_seq.html#idp205412960-bb">public member functions</a></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="seed_seq.html#idp205413408-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="keyword">const</span><span class="special">;</span> |
| <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <a class="link" href="seed_seq.html#idp205416960-bb"><span class="identifier">size</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</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="seed_seq.html#idp214289216-bb"><span class="identifier">param</span></a><span class="special">(</span><span class="identifier">Iter</span><span class="special">)</span><span class="special">;</span> |
| <span class="special">}</span><span class="special">;</span></pre></div> |
| <div class="refsect1"> |
| <a name="idp406212976"></a><h2>Description</h2> |
| <p>The class <code class="computeroutput"><a class="link" href="seed_seq.html" title="Class seed_seq">seed_seq</a></code> stores a sequence of 32-bit words for seeding 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> . These words will be combined to fill the entire state of the generator. </p> |
| <div class="refsect2"> |
| <a name="idp406215968"></a><h3> |
| <a name="boost.random.seed_seqconstruct-copy-destruct"></a><code class="computeroutput">seed_seq</code> |
| public |
| construct/copy/destruct</h3> |
| <div class="orderedlist"><ol class="orderedlist" type="1"> |
| <li class="listitem"> |
| <pre class="literallayout"><a name="idp214291808-bb"></a><span class="identifier">seed_seq</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> |
| <p>Initializes a <code class="computeroutput"><a class="link" href="seed_seq.html" title="Class seed_seq">seed_seq</a></code> to hold an empty sequence. </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">></span> <a name="idp214293088-bb"></a><span class="identifier">seed_seq</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">initializer_list</span><span class="special"><</span> <span class="identifier">T</span> <span class="special">></span> <span class="special">&</span> il<span class="special">)</span><span class="special">;</span></pre> |
| <p>Initializes the sequence from an initializer_list. </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> <a name="idp214295040-bb"></a><span class="identifier">seed_seq</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>Initializes the sequence from an iterator range. </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Range<span class="special">></span> <span class="keyword">explicit</span> <a name="idp214297600-bb"></a><span class="identifier">seed_seq</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">Range</span> <span class="special">&</span> range<span class="special">)</span><span class="special">;</span></pre> |
| <p>Initializes the sequence from Boost.Range range. </p> |
| </li> |
| </ol></div> |
| </div> |
| <div class="refsect2"> |
| <a name="idp406252688"></a><h3> |
| <a name="idp205412960-bb"></a><code class="computeroutput">seed_seq</code> public member 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> Iter<span class="special">></span> <span class="keyword">void</span> <a name="idp205413408-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="keyword">const</span><span class="special">;</span></pre> |
| <p>Fills a range with 32-bit values based on the stored sequence.</p> |
| <p>Requires: Iter must be a Random Access Iterator whose value type is an unsigned integral type at least 32 bits wide. </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <a name="idp205416960-bb"></a><span class="identifier">size</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> |
| <p>Returns the size of the sequence. </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="idp214289216-bb"></a><span class="identifier">param</span><span class="special">(</span><span class="identifier">Iter</span> out<span class="special">)</span><span class="special">;</span></pre> |
| <p>Writes the stored sequence to iter. </p> |
| </li> |
| </ol></div> |
| </div> |
| </div> |
| </div> |
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| <td align="left"></td> |
| <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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