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  24 </div>
  25 <div class="refentry">
  26 <a name="boost.random.extreme_value_distribution.param_type"></a><div class="titlepage"></div>
  27 <div class="refnamediv">
  28 <h2><span class="refentrytitle">Class param_type</span></h2>
  29 <p>boost::random::extreme_value_distribution::param_type</p>
  30 </div>
  31 <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
  32 <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.extreme_value_distribution_hpp" title="Header &lt;boost/random/extreme_value_distribution.hpp&gt;">boost/random/extreme_value_distribution.hpp</a>&gt;
  33
  34 </span>
  35
  36 <span class="keyword">class</span> <a class="link" href="param_type.html" title="Class param_type">param_type</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> <a class="link" href="../extreme_value_distribution.html" title="Class template extreme_value_distribution">extreme_value_distribution</a> <a name="boost.random.extreme_value_distribution.param_type.distribution_type"></a><span class="identifier">distribution_type</span><span class="special">;</span>
  40
  41   <span class="comment">// <a class="link" href="param_type.html#boost.random.extreme_value_distribution.param_typeconstruct-copy-destruct">construct/copy/destruct</a></span>
  42   <span class="keyword">explicit</span> <a class="link" href="param_type.html#idp144491952-bb"><span class="identifier">param_type</span></a><span class="special">(</span><span class="identifier">RealType</span> <span class="special">=</span> <span class="number">1</span><span class="special">.</span><span class="number">0</span><span class="special">,</span> <span class="identifier">RealType</span> <span class="special">=</span> <span class="number">1</span><span class="special">.</span><span class="number">0</span><span class="special">)</span><span class="special">;</span>
  43
  44   <span class="comment">// <a class="link" href="param_type.html#idp146710416-bb">public member functions</a></span>
  45   <span class="identifier">RealType</span> <a class="link" href="param_type.html#idp144493632-bb"><span class="identifier">a</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  46   <span class="identifier">RealType</span> <a class="link" href="param_type.html#idp144492816-bb"><span class="identifier">b</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  47
  48   <span class="comment">// <a class="link" href="param_type.html#idp144486416-bb">friend functions</a></span>
  49   <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>
  50     <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>
  51     <a class="link" href="param_type.html#idp144485696-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> <span class="keyword">const</span> <a class="link" href="param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  52   <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>
  53     <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>
  54     <a class="link" href="param_type.html#idp156034048-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> <span class="keyword">const</span> <a class="link" href="param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  55   <span class="keyword">friend</span> <span class="keyword">bool</span> <a class="link" href="param_type.html#idp94823888-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  56   <span class="keyword">friend</span> <span class="keyword">bool</span> <a class="link" href="param_type.html#idp94822032-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  57 <span class="special">}</span><span class="special">;</span></pre></div>
  58 <div class="refsect1">
  59 <a name="idp401313408"></a><h2>Description</h2>
  60 <div class="refsect2">
  61 <a name="idp401313824"></a><h3>
  62 <a name="boost.random.extreme_value_distribution.param_typeconstruct-copy-destruct"></a><code class="computeroutput">param_type</code>
  63         public
  64        construct/copy/destruct</h3>
  65 <div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem">
  66 <pre class="literallayout"><span class="keyword">explicit</span> <a name="idp144491952-bb"></a><span class="identifier">param_type</span><span class="special">(</span><span class="identifier">RealType</span> a <span class="special">=</span> <span class="number">1</span><span class="special">.</span><span class="number">0</span><span class="special">,</span> <span class="identifier">RealType</span> b <span class="special">=</span> <span class="number">1</span><span class="special">.</span><span class="number">0</span><span class="special">)</span><span class="special">;</span></pre>
  67 <p>Constructs a <code class="computeroutput"><code class="computeroutput"><a class="link" href="param_type.html" title="Class param_type">param_type</a></code></code> from the "a" and "b" parameters of the distribution.</p>
  68 <p>Requires: b &gt; 0 </p>
  69 </li></ol></div>
  70 </div>
  71 <div class="refsect2">
  72 <a name="idp401329056"></a><h3>
  73 <a name="idp146710416-bb"></a><code class="computeroutput">param_type</code> public member functions</h3>
  74 <div class="orderedlist"><ol class="orderedlist" type="1">
  75 <li class="listitem">
  76 <pre class="literallayout"><span class="identifier">RealType</span> <a name="idp144493632-bb"></a><span class="identifier">a</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
  77 <p>Returns the "a" parameter of the distribtuion. </p>
  78 </li>
  79 <li class="listitem">
  80 <pre class="literallayout"><span class="identifier">RealType</span> <a name="idp144492816-bb"></a><span class="identifier">b</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
  81 <p>Returns the "b" parameter of the distribution. </p>
  82 </li>
  83 </ol></div>
  84 </div>
  85 <div class="refsect2">
  86 <a name="idp401341744"></a><h3>
  87 <a name="idp144486416-bb"></a><code class="computeroutput">param_type</code> friend functions</h3>
  88 <div class="orderedlist"><ol class="orderedlist" type="1">
  89 <li class="listitem">
  90 <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>
  91   <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>
  92   <a name="idp144485696-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>
  93              <span class="keyword">const</span> <a class="link" href="param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span> param<span class="special">)</span><span class="special">;</span></pre>
  94 <p>Writes a <code class="computeroutput"><code class="computeroutput"><a class="link" href="param_type.html" title="Class param_type">param_type</a></code></code> to a <code class="computeroutput">std::ostream</code>. </p>
  95 </li>
  96 <li class="listitem">
  97 <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>
  98   <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>
  99   <a name="idp156034048-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>
 100              <span class="keyword">const</span> <a class="link" href="param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span> param<span class="special">)</span><span class="special">;</span></pre>
 101 <p>Reads a <code class="computeroutput"><code class="computeroutput"><a class="link" href="param_type.html" title="Class param_type">param_type</a></code></code> from a <code class="computeroutput">std::istream</code>. </p>
 102 </li>
 103 <li class="listitem">
 104 <pre class="literallayout"><span class="keyword">friend</span> <span class="keyword">bool</span> <a name="idp94823888-bb"></a><span class="keyword">operator</span><span class="special">==</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span> lhs<span class="special">,</span> <span class="keyword">const</span> <a class="link" href="param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span> rhs<span class="special">)</span><span class="special">;</span></pre>
 105 <p>Returns true if the two sets of parameters are the same. </p>
 106 </li>
 107 <li class="listitem">
 108 <pre class="literallayout"><span class="keyword">friend</span> <span class="keyword">bool</span> <a name="idp94822032-bb"></a><span class="keyword">operator</span><span class="special">!=</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span> lhs<span class="special">,</span> <span class="keyword">const</span> <a class="link" href="param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span> rhs<span class="special">)</span><span class="special">;</span></pre>
 109 <p>Returns true if the two sets of parameters are the different. </p>
 110 </li>
 111 </ol></div>
 112 </div>
 113 </div>
 114 </div>
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 119         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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