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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="math_toolkit.directories"></a><a class="link" href="directories.html" title="Directory and File Structure">Directory and File Structure</a>
</h2></div></div></div>
<h5>
<a name="math_toolkit.directories.h0"></a>
<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>
</h5>
<div class="variablelist">
<p class="title"><b></b></p>
<dl class="variablelist">
<dt><span class="term">/concepts/</span></dt>
<dd><p>
Prototype defining the <span class="bold"><strong>essential</strong></span> features
of a RealType class (see real_concept.hpp). Most applications will use
<code class="computeroutput"><span class="keyword">double</span></code> as the RealType (and
short <code class="computeroutput"><span class="keyword">typedef</span></code> names of distributions
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>
<span class="keyword">double</span></code>, but it is also possible
to use higher precision types like <a href="http://shoup.net/ntl/doc/RR.txt" target="_top">NTL::RR</a>,
<a href="http://gmplib.org/" target="_top">GNU Multiple Precision Arithmetic Library</a>,
<a href="http://www.mpfr.org/" target="_top">GNU MPFR library</a>, <a href="../../../../../libs/multiprecision/doc/html/index.html" target="_top">Boost.Multiprecision</a>
like cpp_bin_float_50 that conform to the requirements specified by
<code class="computeroutput"><span class="identifier">real_concept</span></code>.
</p></dd>
<dt><span class="term">/constants/</span></dt>
<dd><p>
Templated definition of some highly accurate math constants (<a href="https://github.com/boostorg/math/blob/develop/include/boost/math/constants/constants.hpp" target="_top">constants.hpp</a>).
</p></dd>
<dt><span class="term">/distributions/</span></dt>
<dd><p>
Distributions used in mathematics and, especially, statistics: Gaussian,
Students-t, Fisher, Binomial etc
</p></dd>
<dt><span class="term">/policies/</span></dt>
<dd><p>
Policy framework, for handling user requested behaviour modifications.
</p></dd>
<dt><span class="term">/special_functions/</span></dt>
<dd><p>
Math functions generally regarded as 'special', like beta, cbrt, erf,
gamma, lgamma, tgamma ... (Some of these are specified in C++, and C99/TR1,
and perhaps TR2).
</p></dd>
<dt><span class="term">/tools/</span></dt>
<dd><p>
Tools used by functions, like evaluating polynomials, continued fractions,
root finding, precision and limits, and by tests. Some will find application
outside this package.
</p></dd>
</dl>
</div>
<h5>
<a name="math_toolkit.directories.h1"></a>
<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>
</h5>
<div class="variablelist">
<p class="title"><b></b></p>
<dl class="variablelist">
<dt><span class="term">/doc/</span></dt>
<dd><p>
Documentation source files in Quickbook format processed into html and
pdf formats.
</p></dd>
<dt><span class="term">/examples/</span></dt>
<dd><p>
Examples and demos of using math functions and distributions.
</p></dd>
<dt><span class="term">/performance/</span></dt>
<dd><p>
Performance testing and tuning program.
</p></dd>
<dt><span class="term">/test/</span></dt>
<dd><p>
Test files, in many .cpp files, most using Boost.Test (some with test
data as .ipp files, usually generated using NTL RR type with ample precision
for the type, often for precisions suitable for up to 256-bit significand
real types).
</p></dd>
<dt><span class="term">/tools/</span></dt>
<dd><p>
Programs used to generate test data. Also changes to the <a href="http://shoup.net/ntl/" target="_top">NTL</a>
released package to provide a few additional (and vital) extra features.
</p></dd>
</dl>
</div>
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<div class="copyright-footer">Copyright © 2006-2021 Nikhar Agrawal, Anton Bikineev, Matthew Borland,
Paul A. Bristow, Marco Guazzone, Christopher Kormanyos, Hubert Holin, Bruno
Lalande, John Maddock, Evan Miller, Jeremy Murphy, Matthew Pulver, Johan Råde,
Gautam Sewani, Benjamin Sobotta, Nicholas Thompson, Thijs van den Berg, Daryle
Walker and Xiaogang Zhang<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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