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| 4 | <title>Facets for Floating-Point Infinities and NaNs</title> | |
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| 24 | </div> | |
| 25 | <div class="section"> | |
| 26 | <div class="titlepage"><div><div><h2 class="title" style="clear: both"> | |
| 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"><</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"><</span><span class="identifier">CharType</span><span class="special">></span> | |
| 52 | <span class="special">></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"><</span><span class="identifier">CharType</span><span class="special">,</span> <span class="identifier">OutputIterator</span><span class="special">></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"><</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"><</span><span class="identifier">CharType</span><span class="special">></span> | |
| 62 | <span class="special">></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"><</span><span class="identifier">CharType</span><span class="special">,</span> <span class="identifier">InputIterator</span><span class="special">></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"><</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> | |
| 74 | </pre> | |
| 75 | </div> | |
| 76 | <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> | |
| 77 | <td align="left"></td> | |
| 78 | <td align="right"><div class="copyright-footer">Copyright © 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 Råde, 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> | |
| 85 | </div></td> | |
| 86 | </tr></table> | |
| 87 | <hr> | |
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| 90 | </div> | |
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| 92 | </html> |