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| <a name="boost.random.additive_combine_engine"></a><div class="titlepage"></div> |
| <div class="refnamediv"> |
| <h2><span class="refentrytitle">Class template additive_combine_engine</span></h2> |
| <p>boost::random::additive_combine_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.additive_combine_hpp" title="Header <boost/random/additive_combine.hpp>">boost/random/additive_combine.hpp</a>> |
| |
| </span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> MLCG1<span class="special">,</span> <span class="keyword">typename</span> MLCG2<span class="special">></span> |
| <span class="keyword">class</span> <a class="link" href="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_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">MLCG1</span> <a name="boost.random.additive_combine_engine.first_base"></a><span class="identifier">first_base</span><span class="special">;</span> |
| <span class="keyword">typedef</span> <span class="identifier">MLCG2</span> <a name="boost.random.additive_combine_engine.second_base"></a><span class="identifier">second_base</span><span class="special">;</span> |
| <span class="keyword">typedef</span> <span class="identifier">MLCG1</span><span class="special">::</span><span class="identifier">result_type</span> <a name="boost.random.additive_combine_engine.result_type"></a><span class="identifier">result_type</span><span class="special">;</span> |
| |
| <span class="comment">// <a class="link" href="additive_combine_engine.html#boost.random.additive_combine_engineconstruct-copy-destruct">construct/copy/destruct</a></span> |
| <a class="link" href="additive_combine_engine.html#idp35556528-bb"><span class="identifier">additive_combine_engine</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">explicit</span> <a class="link" href="additive_combine_engine.html#idp35554592-bb"><span class="identifier">additive_combine_engine</span></a><span class="special">(</span><span class="identifier">result_type</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="additive_combine_engine.html#idp35551984-bb"><span class="identifier">additive_combine_engine</span></a><span class="special">(</span><span class="identifier">SeedSeq</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> |
| <a class="link" href="additive_combine_engine.html#idp143987936-bb"><span class="identifier">additive_combine_engine</span></a><span class="special">(</span><span class="keyword">typename</span> <span class="identifier">MLCG1</span><span class="special">::</span><span class="identifier">result_type</span><span class="special">,</span> |
| <span class="keyword">typename</span> <span class="identifier">MLCG2</span><span class="special">::</span><span class="identifier">result_type</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="additive_combine_engine.html#idp101875424-bb"><span class="identifier">additive_combine_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="additive_combine_engine.html#idp200568624-bb">public static functions</a></span> |
| <span class="keyword">static</span> <span class="identifier">result_type</span> <a class="link" href="additive_combine_engine.html#idp200568256-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="additive_combine_engine.html#idp101878528-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="additive_combine_engine.html#idp200565008-bb">public member functions</a></span> |
| <span class="keyword">void</span> <a class="link" href="additive_combine_engine.html#idp198412304-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="additive_combine_engine.html#idp198411936-bb"><span class="identifier">seed</span></a><span class="special">(</span><span class="identifier">result_type</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="additive_combine_engine.html#idp198409456-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">void</span> <a class="link" href="additive_combine_engine.html#idp198405440-bb"><span class="identifier">seed</span></a><span class="special">(</span><span class="keyword">typename</span> <span class="identifier">MLCG1</span><span class="special">::</span><span class="identifier">result_type</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">MLCG2</span><span class="special">::</span><span class="identifier">result_type</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="additive_combine_engine.html#idp196890800-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">result_type</span> <a class="link" href="additive_combine_engine.html#idp196887328-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="additive_combine_engine.html#idp196886496-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="additive_combine_engine.html#idp35558704-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="additive_combine_engine.html#idp93789696-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="additive_combine_engine.html#idp93790080-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="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_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="additive_combine_engine.html#idp93783584-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="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_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="additive_combine_engine.html#idp210898976-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_engine</a> <span class="special">&</span><span class="special">,</span> |
| <span class="keyword">const</span> <a class="link" href="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_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="additive_combine_engine.html#idp210895296-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_engine</a> <span class="special">&</span><span class="special">,</span> |
| <span class="keyword">const</span> <a class="link" href="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_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="special">}</span><span class="special">;</span></pre></div> |
| <div class="refsect1"> |
| <a name="idp388903376"></a><h2>Description</h2> |
| <p>An instantiation of class template <code class="computeroutput"><a class="link" href="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_engine</a></code> models 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 combines two multiplicative <a class="link" href="linear_congruential_engine.html" title="Class template linear_congruential_engine">linear_congruential_engine</a> number generators, i.e. those with <code class="computeroutput">c</code> = 0. It is described in</p> |
| <p> </p> |
| <div class="blockquote"><blockquote class="blockquote"><p> "Efficient and Portable Combined Random Number Generators", Pierre L'Ecuyer, Communications of the ACM, Vol. 31, No. 6, June 1988, pp. 742-749, 774 </p></blockquote></div> |
| <p> </p> |
| <p>The template parameters MLCG1 and MLCG2 shall denote two different <a class="link" href="linear_congruential_engine.html" title="Class template linear_congruential_engine">linear_congruential_engine</a> number generators, each with c = 0. Each invocation returns a random number X(n) := (MLCG1(n) - MLCG2(n)) mod (m1 - 1), where m1 denotes the modulus of MLCG1. </p> |
| <div class="refsect2"> |
| <a name="idp388910160"></a><h3> |
| <a name="boost.random.additive_combine_engineconstruct-copy-destruct"></a><code class="computeroutput">additive_combine_engine</code> |
| public |
| construct/copy/destruct</h3> |
| <div class="orderedlist"><ol class="orderedlist" type="1"> |
| <li class="listitem"> |
| <pre class="literallayout"><a name="idp35556528-bb"></a><span class="identifier">additive_combine_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="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_engine</a></code></code> using the default constructors of the two base generators. </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">explicit</span> <a name="idp35554592-bb"></a><span class="identifier">additive_combine_engine</span><span class="special">(</span><span class="identifier">result_type</span> seed<span class="special">)</span><span class="special">;</span></pre> |
| <p>Constructs an <code class="computeroutput"><code class="computeroutput"><a class="link" href="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_engine</a></code></code>, using seed as the constructor argument for both base generators. </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="idp35551984-bb"></a><span class="identifier">additive_combine_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="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_engine</a></code></code>, using seq as the constructor argument for both base generators.</p> |
| <p> </p> |
| <div class="warning"><table border="0" summary="Warning"> |
| <tr> |
| <td rowspan="2" align="center" valign="top" width="25"><img alt="[Warning]" src="../../../../doc/src/images/warning.png"></td> |
| <th align="left">Warning</th> |
| </tr> |
| <tr><td align="left" valign="top"><p> The semantics of this function are liable to change. A <code class="computeroutput"><code class="computeroutput"><a class="link" href="seed_seq.html" title="Class seed_seq">seed_seq</a></code></code> is designed to generate all the seeds in one shot, but this seeds the two base engines independantly and probably ends up giving the same sequence to both. </p></td></tr> |
| </table></div> |
| <p> </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><a name="idp143987936-bb"></a><span class="identifier">additive_combine_engine</span><span class="special">(</span><span class="keyword">typename</span> <span class="identifier">MLCG1</span><span class="special">::</span><span class="identifier">result_type</span> seed1<span class="special">,</span> |
| <span class="keyword">typename</span> <span class="identifier">MLCG2</span><span class="special">::</span><span class="identifier">result_type</span> seed2<span class="special">)</span><span class="special">;</span></pre> |
| <p>Constructs an <code class="computeroutput"><code class="computeroutput"><a class="link" href="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_engine</a></code></code>, using <code class="computeroutput">seed1</code> and <code class="computeroutput">seed2</code> as the constructor argument to the first and second base generators, respectively. </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="idp101875424-bb"></a><span class="identifier">additive_combine_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>Contructs an <code class="computeroutput"><code class="computeroutput"><a class="link" href="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_engine</a></code></code> with values from the range defined by the input iterators first and last. first will be modified to point to the element after the last one used.</p> |
| <p>Throws: <code class="computeroutput">std::invalid_argument</code> if the input range is too small.</p> |
| <p>Exception Safety: Basic </p> |
| </li> |
| </ol></div> |
| </div> |
| <div class="refsect2"> |
| <a name="idp388962848"></a><h3> |
| <a name="idp200568624-bb"></a><code class="computeroutput">additive_combine_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="idp200568256-bb"></a><span class="identifier">min</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> |
| <p>Returns the smallest value that the generator can produce </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">static</span> <span class="identifier">result_type</span> <a name="idp101878528-bb"></a><span class="identifier">max</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> |
| <p>Returns the largest value that the generator can produce </p> |
| </li> |
| </ol></div> |
| </div> |
| <div class="refsect2"> |
| <a name="idp388975632"></a><h3> |
| <a name="idp200565008-bb"></a><code class="computeroutput">additive_combine_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="idp198412304-bb"></a><span class="identifier">seed</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> |
| <p>Seeds an <code class="computeroutput"><code class="computeroutput"><a class="link" href="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_engine</a></code></code> using the default seeds of the two base generators. </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">void</span> <a name="idp198411936-bb"></a><span class="identifier">seed</span><span class="special">(</span><span class="identifier">result_type</span> seed<span class="special">)</span><span class="special">;</span></pre> |
| <p>Seeds an <code class="computeroutput"><code class="computeroutput"><a class="link" href="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_engine</a></code></code>, using <code class="computeroutput">seed</code> as the seed for both base generators. </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="idp198409456-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="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_engine</a></code></code>, using <code class="computeroutput">seq</code> to seed both base generators.</p> |
| <p>See the warning on the corresponding constructor. </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">void</span> <a name="idp198405440-bb"></a><span class="identifier">seed</span><span class="special">(</span><span class="keyword">typename</span> <span class="identifier">MLCG1</span><span class="special">::</span><span class="identifier">result_type</span> seed1<span class="special">,</span> |
| <span class="keyword">typename</span> <span class="identifier">MLCG2</span><span class="special">::</span><span class="identifier">result_type</span> seed2<span class="special">)</span><span class="special">;</span></pre> |
| <p>Seeds an <code class="computeroutput">additive_combine</code> generator, using <code class="computeroutput">seed1</code> and <code class="computeroutput">seed2</code> as the seeds to the first and second base generators, respectively. </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="idp196890800-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="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_engine</a></code></code> with values from the range defined by the input iterators first and last. first will be modified to point to the element after the last one used.</p> |
| <p>Throws: <code class="computeroutput">std::invalid_argument</code> if the input range is too small.</p> |
| <p>Exception Safety: Basic </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="identifier">result_type</span> <a name="idp196887328-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 value 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="idp196886496-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="idp35558704-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="idp389050336"></a><h3> |
| <a name="idp93789696-bb"></a><code class="computeroutput">additive_combine_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="idp93790080-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="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_engine</a> <span class="special">&</span> r<span class="special">)</span><span class="special">;</span></pre> |
| <p>Writes the state of an <code class="computeroutput"><code class="computeroutput"><a class="link" href="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_engine</a></code></code> to a <code class="computeroutput">std::ostream</code>. The textual representation of an <code class="computeroutput"><code class="computeroutput"><a class="link" href="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_engine</a></code></code> is the textual representation of the first base generator followed by the textual representation of the second base generator. </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="idp93783584-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="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_engine</a> <span class="special">&</span> r<span class="special">)</span><span class="special">;</span></pre> |
| <p>Reads the state of an <code class="computeroutput"><code class="computeroutput"><a class="link" href="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_engine</a></code></code> 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="idp210898976-bb"></a><span class="keyword">operator</span><span class="special">==</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_engine</a> <span class="special">&</span> x<span class="special">,</span> |
| <span class="keyword">const</span> <a class="link" href="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_engine</a> <span class="special">&</span> y<span class="special">)</span><span class="special">;</span></pre> |
| <p>Returns: true iff the two <code class="computeroutput">additive_combine_engines</code> will produce the same sequence of values. </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">friend</span> <span class="keyword">bool</span> <a name="idp210895296-bb"></a><span class="keyword">operator</span><span class="special">!=</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_engine</a> <span class="special">&</span> lhs<span class="special">,</span> |
| <span class="keyword">const</span> <a class="link" href="additive_combine_engine.html" title="Class template additive_combine_engine">additive_combine_engine</a> <span class="special">&</span> rhs<span class="special">)</span><span class="special">;</span></pre> |
| <p>Returns: true iff the two <code class="computeroutput">additive_combine_engines</code> will produce different sequences of values. </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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