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| <div class="titlepage"><div><div><h3 class="title"> |
| <a name="math_toolkit.main_overview.namespaces"></a><a class="link" href="namespaces.html" title="Namespaces"> Namespaces</a> |
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| <p> |
| All math functions and distributions are in <code class="computeroutput"><span class="keyword">namespace</span> |
| <span class="identifier">boost</span><span class="special">::</span><span class="identifier">math</span></code> |
| </p> |
| <p> |
| So, for example, the Students-t distribution template in <code class="computeroutput"><span class="keyword">namespace</span> |
| <span class="identifier">boost</span><span class="special">::</span><span class="identifier">math</span></code> is |
| </p> |
| <pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">RealType</span><span class="special">></span> <span class="keyword">class</span> <span class="identifier">students_t_distribution</span> |
| </pre> |
| <p> |
| and can be instantiated with the help of the reserved name <code class="computeroutput"><span class="identifier">students_t</span></code>(for <code class="computeroutput"><span class="identifier">RealType</span> |
| <span class="keyword">double</span></code>) |
| </p> |
| <pre class="programlisting"><span class="keyword">typedef</span> <span class="identifier">students_t_distribution</span><span class="special"><</span><span class="keyword">double</span><span class="special">></span> <span class="identifier">students_t</span><span class="special">;</span> |
| |
| <span class="identifier">student_t</span> <span class="identifier">mydist</span><span class="special">(</span><span class="number">10</span><span class="special">);</span> |
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| Some distribution names are also used in std random library, so to avoid |
| the risk of ambiguity it is better to make explicit using declarations, |
| for example: <code class="computeroutput"><span class="keyword">using</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">math</span><span class="special">::</span><span class="identifier">students_t_distribution</span></code> |
| </p></td></tr> |
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| <p> |
| Functions not intended for use by applications are in <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">math</span><span class="special">::</span><span class="identifier">detail</span></code>. |
| </p> |
| <p> |
| Functions that may have more general use, like <code class="computeroutput"><span class="identifier">digits</span></code> |
| (significand), <code class="computeroutput"><span class="identifier">max_value</span></code>, |
| <code class="computeroutput"><span class="identifier">min_value</span></code> and <code class="computeroutput"><span class="identifier">epsilon</span></code> are in <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">math</span><span class="special">::</span><span class="identifier">tools</span></code>. |
| </p> |
| <p> |
| <a class="link" href="../policy.html" title="Policies">Policy</a> and configuration information |
| is in namespace <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">math</span><span class="special">::</span><span class="identifier">policies</span></code>. |
| </p> |
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| <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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