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  26 <div class="titlepage"><div><div><h2 class="title" style="clear: both">
  27 <a name="math_toolkit.directories"></a><a class="link" href="directories.html" title="Directory and File Structure">Directory and File Structure</a>
  28 </h2></div></div></div>
  29 <h5>
  30 <a name="math_toolkit.directories.h0"></a>
  31       <span class="phrase"><a name="math_toolkit.directories.boost_math"></a></span><a class="link" href="directories.html#math_toolkit.directories.boost_math">boost/math</a>
  32     </h5>
  33 <div class="variablelist">
  34 <p class="title"><b></b></p>
  35 <dl class="variablelist">
  36 <dt><span class="term">/concepts/</span></dt>
  37 <dd><p>
  38             Prototype defining the <span class="bold"><strong>essential</strong></span> features
  39             of a RealType class (see real_concept.hpp). Most applications will use
  40             <code class="computeroutput"><span class="keyword">double</span></code> as the RealType (and
  41             short <code class="computeroutput"><span class="keyword">typedef</span></code> names of distributions
  42             are reserved for this type where possible), a few will use <code class="computeroutput"><span class="keyword">float</span></code> or <code class="computeroutput"><span class="keyword">long</span>
  43             <span class="keyword">double</span></code>, but it is also possible
  44             to use higher precision types like <a href="http://shoup.net/ntl/doc/RR.txt" target="_top">NTL::RR</a>,
  45             <a href="http://gmplib.org/" target="_top">GNU Multiple Precision Arithmetic Library</a>,
  46             <a href="http://www.mpfr.org/" target="_top">GNU MPFR library</a> that conform
  47             to the requirements specified by real_concept.
  48           </p></dd>
  49 <dt><span class="term">/constants/</span></dt>
  50 <dd><p>
  51             Templated definition of some highly accurate math constants (in constants.hpp).
  52           </p></dd>
  53 <dt><span class="term">/distributions/</span></dt>
  54 <dd><p>
  55             Distributions used in mathematics and, especially, statistics: Gaussian,
  56             Students-t, Fisher, Binomial etc
  57           </p></dd>
  58 <dt><span class="term">/policies/</span></dt>
  59 <dd><p>
  60             Policy framework, for handling user requested behaviour modifications.
  61           </p></dd>
  62 <dt><span class="term">/special_functions/</span></dt>
  63 <dd><p>
  64             Math functions generally regarded as 'special', like beta, cbrt, erf,
  65             gamma, lgamma, tgamma ... (Some of these are specified in C++, and C99/TR1,
  66             and perhaps TR2).
  67           </p></dd>
  68 <dt><span class="term">/tools/</span></dt>
  69 <dd><p>
  70             Tools used by functions, like evaluating polynomials, continued fractions,
  71             root finding, precision and limits, and by tests. Some will find application
  72             outside this package.
  73           </p></dd>
  74 </dl>
  75 </div>
  76 <h5>
  77 <a name="math_toolkit.directories.h1"></a>
  78       <span class="phrase"><a name="math_toolkit.directories.boost_libs"></a></span><a class="link" href="directories.html#math_toolkit.directories.boost_libs">boost/libs</a>
  79     </h5>
  80 <div class="variablelist">
  81 <p class="title"><b></b></p>
  82 <dl class="variablelist">
  83 <dt><span class="term">/doc/</span></dt>
  84 <dd><p>
  85             Documentation source files in Quickbook format processed into html and
  86             pdf formats.
  87           </p></dd>
  88 <dt><span class="term">/examples/</span></dt>
  89 <dd><p>
  90             Examples and demos of using math functions and distributions.
  91           </p></dd>
  92 <dt><span class="term">/performance/</span></dt>
  93 <dd><p>
  94             Performance testing and tuning program.
  95           </p></dd>
  96 <dt><span class="term">/test/</span></dt>
  97 <dd><p>
  98             Test files, in many .cpp files, most using Boost.Test (some with test
  99             data as .ipp files, usually generated using NTL RR type with ample precision
 100             for the type, often for precisions suitable for up to 256-bit significand
 101             real types).
 102           </p></dd>
 103 <dt><span class="term">/tools/</span></dt>
 104 <dd><p>
 105             Programs used to generate test data. Also changes to the <a href="http://shoup.net/ntl/" target="_top">NTL</a>
 106             released package to provide a few additional (and vital) extra features.
 107           </p></dd>
 108 </dl>
 109 </div>
 110 </div>
 111 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
 112 <td align="left"></td>
 113 <td align="right"><div class="copyright-footer">Copyright &#169; 2006-2010, 2012-2014 Nikhar Agrawal,
 114       Anton Bikineev, Paul A. Bristow, Marco Guazzone, Christopher Kormanyos, Hubert
 115       Holin, Bruno Lalande, John Maddock, Jeremy Murphy, Johan R&#229;de, Gautam Sewani,
 116       Benjamin Sobotta, Thijs van den Berg, Daryle Walker and Xiaogang Zhang<p>
 117         Distributed under the Boost Software License, Version 1.0. (See accompanying
 118         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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