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  27 <a name="math_toolkit.fp_facets"></a><a class="link" href="fp_facets.html" title="Facets for Floating-Point Infinities and NaNs">Facets for Floating-Point Infinities
  28     and NaNs</a>
  29 </h2></div></div></div>
  30 <div class="toc"><dl>
  31 <dt><span class="section"><a href="fp_facets/facets_intro.html">Introduction</a></span></dt>
  32 <dt><span class="section"><a href="fp_facets/reference.html">Reference</a></span></dt>
  33 <dt><span class="section"><a href="fp_facets/examples.html">Examples</a></span></dt>
  34 <dt><span class="section"><a href="fp_facets/portability.html">Portability</a></span></dt>
  35 <dt><span class="section"><a href="fp_facets/rationale.html">Design Rationale</a></span></dt>
  36 </dl></div>
  37 <h5>
  38 <a name="math_toolkit.fp_facets.h0"></a>
  39       <span class="phrase"><a name="math_toolkit.fp_facets.synopsis"></a></span><a class="link" href="fp_facets.html#math_toolkit.fp_facets.synopsis">Synopsis</a>
  40     </h5>
  41 <pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">boost</span><span class="special">{</span> <span class="keyword">namespace</span> <span class="identifier">math</span>
  42 <span class="special">{</span>
  43   <span class="comment">// Values for flags.</span>
  44   <span class="keyword">const</span> <span class="keyword">int</span> <span class="identifier">legacy</span><span class="special">;</span>
  45   <span class="keyword">const</span> <span class="keyword">int</span> <span class="identifier">signed_zero</span><span class="special">;</span>
  46   <span class="keyword">const</span> <span class="keyword">int</span> <span class="identifier">trap_infinity</span><span class="special">;</span>
  47   <span class="keyword">const</span> <span class="keyword">int</span> <span class="identifier">trap_nan</span><span class="special">;</span>
  48
  49   <span class="keyword">template</span><span class="special">&lt;</span>
  50       <span class="keyword">class</span> <span class="identifier">CharType</span><span class="special">,</span>
  51       <span class="keyword">class</span> <span class="identifier">OutputIterator</span> <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ostreambuf_iterator</span><span class="special">&lt;</span><span class="identifier">CharType</span><span class="special">&gt;</span>
  52   <span class="special">&gt;</span>
  53   <span class="keyword">class</span> <span class="identifier">nonfinite_num_put</span> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">num_put</span><span class="special">&lt;</span><span class="identifier">CharType</span><span class="special">,</span> <span class="identifier">OutputIterator</span><span class="special">&gt;</span>
  54   <span class="special">{</span>
  55   <span class="keyword">public</span><span class="special">:</span>
  56       <span class="keyword">explicit</span> <span class="identifier">nonfinite_num_put</span><span class="special">(</span><span class="keyword">int</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="number">0</span><span class="special">);</span>
  57   <span class="special">};</span>
  58
  59   <span class="keyword">template</span><span class="special">&lt;</span>
  60       <span class="keyword">class</span> <span class="identifier">CharType</span><span class="special">,</span>
  61       <span class="keyword">class</span> <span class="identifier">InputIterator</span> <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">istreambuf_iterator</span><span class="special">&lt;</span><span class="identifier">CharType</span><span class="special">&gt;</span>
  62   <span class="special">&gt;</span>
  63   <span class="keyword">class</span> <span class="identifier">nonfinite_num_get</span> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">num_get</span><span class="special">&lt;</span><span class="identifier">CharType</span><span class="special">,</span> <span class="identifier">InputIterator</span><span class="special">&gt;</span>
  64   <span class="special">{</span>
  65   <span class="keyword">public</span><span class="special">:</span>
  66       <span class="keyword">explicit</span> <span class="identifier">nonfinite_num_get</span><span class="special">(</span><span class="keyword">int</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="number">0</span><span class="special">);</span>  <span class="comment">// legacy, sign_zero ...</span>
  67   <span class="special">};</span>
  68 <span class="special">}}</span> <span class="comment">// namespace boost namespace math</span>
  69 </pre>
  70 <p>
  71       To use these facets
  72     </p>
  73 <pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">\</span><span class="identifier">math</span><span class="special">\</span><span class="identifier">special_functions</span><span class="special">\</span><span class="identifier">nonfinite_num_facets</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
  74 </pre>
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  78 <td align="right"><div class="copyright-footer">Copyright &#169; 2006-2010, 2012-2014 Nikhar Agrawal,
  79       Anton Bikineev, Paul A. Bristow, Marco Guazzone, Christopher Kormanyos, Hubert
  80       Holin, Bruno Lalande, John Maddock, Jeremy Murphy, Johan R&#229;de, Gautam Sewani,
  81       Benjamin Sobotta, Thijs van den Berg, Daryle Walker and Xiaogang Zhang<p>
  82         Distributed under the Boost Software License, Version 1.0. (See accompanying
  83         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>)
  84       </p>
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