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| <a name="math_toolkit.utils.fp_facets"></a><a class="link" href="fp_facets.html" title="Facets for Floating-Point Infinities and NaNs">Facets for Floating-Point |
| Infinities and NaNs</a> |
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| <a name="math_toolkit.utils.fp_facets.synopsis"></a><h5> |
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| <a class="link" href="fp_facets.html#math_toolkit.utils.fp_facets.synopsis">Synopsis</a> |
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| <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> |
| <span class="special">{</span> |
| <span class="comment">// Values for flags. |
| </span> <span class="keyword">const</span> <span class="keyword">int</span> <span class="identifier">legacy</span><span class="special">;</span> |
| <span class="keyword">const</span> <span class="keyword">int</span> <span class="identifier">signed_zero</span><span class="special">;</span> |
| <span class="keyword">const</span> <span class="keyword">int</span> <span class="identifier">trap_infinity</span><span class="special">;</span> |
| <span class="keyword">const</span> <span class="keyword">int</span> <span class="identifier">trap_nan</span><span class="special">;</span> |
| |
| <span class="keyword">template</span><span class="special"><</span> |
| <span class="keyword">class</span> <span class="identifier">CharType</span><span class="special">,</span> |
| <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"><</span><span class="identifier">CharType</span><span class="special">></span> |
| <span class="special">></span> |
| <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"><</span><span class="identifier">CharType</span><span class="special">,</span> <span class="identifier">OutputIterator</span><span class="special">></span> |
| <span class="special">{</span> |
| <span class="keyword">public</span><span class="special">:</span> |
| <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> |
| <span class="special">};</span> |
| |
| <span class="keyword">template</span><span class="special"><</span> |
| <span class="keyword">class</span> <span class="identifier">CharType</span><span class="special">,</span> |
| <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"><</span><span class="identifier">CharType</span><span class="special">></span> |
| <span class="special">></span> |
| <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"><</span><span class="identifier">CharType</span><span class="special">,</span> <span class="identifier">InputIterator</span><span class="special">></span> |
| <span class="special">{</span> |
| <span class="keyword">public</span><span class="special">:</span> |
| <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> <span class="special">};</span> |
| <span class="special">}}</span> <span class="comment">// namespace boost namespace math |
| </span></pre> |
| <p> |
| To use these facets |
| </p> |
| <pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</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">></span> |
| </pre> |
| </div> |
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| <td align="left"></td> |
| <td align="right"><div class="copyright-footer">Copyright © 2006 , 2007, 2008, 2009, 2010 John Maddock, Paul A. Bristow, |
| Hubert Holin, Xiaogang Zhang, Bruno Lalande, Johan Råde, Gautam Sewani and |
| Thijs van den Berg<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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