1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Tutorial</title> 5<link rel="stylesheet" href="../multiprecision.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../index.html" title="Chapter 1. Boost.Multiprecision"> 8<link rel="up" href="../index.html" title="Chapter 1. Boost.Multiprecision"> 9<link rel="prev" href="intro.html" title="Introduction"> 10<link rel="next" href="tut/ints.html" title="Integer Types"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="intro.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../index.html"><img 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class="section"><a href="tut/ints/egs/factorials.html">Factorials</a></span></dt> 38<dt><span class="section"><a href="tut/ints/egs/bitops.html">Bit Operations</a></span></dt> 39</dl></dd> 40</dl></dd> 41<dt><span class="section"><a href="tut/floats.html">Floating-point Types</a></span></dt> 42<dd><dl> 43<dt><span class="section"><a href="tut/floats/cpp_bin_float.html">cpp_bin_float</a></span></dt> 44<dt><span class="section"><a href="tut/floats/cpp_dec_float.html">cpp_dec_float</a></span></dt> 45<dt><span class="section"><a href="tut/floats/gmp_float.html">gmp_float</a></span></dt> 46<dt><span class="section"><a href="tut/floats/mpfr_float.html">mpfr_float</a></span></dt> 47<dt><span class="section"><a href="tut/floats/float128.html">float128</a></span></dt> 48<dt><span class="section"><a href="tut/floats/fp_eg.html">Examples</a></span></dt> 49<dd><dl> 50<dt><span class="section"><a href="tut/floats/fp_eg/aos.html">Area of 51 Circle</a></span></dt> 52<dt><span class="section"><a href="tut/floats/fp_eg/caveats.html">Drop-in 53 Caveats</a></span></dt> 54<dt><span class="section"><a href="tut/floats/fp_eg/jel.html">Defining 55 a Special Function.</a></span></dt> 56<dt><span class="section"><a href="tut/floats/fp_eg/nd.html">Calculating 57 a Derivative</a></span></dt> 58<dt><span class="section"><a href="tut/floats/fp_eg/gi.html">Calculating 59 an Integral</a></span></dt> 60<dt><span class="section"><a href="tut/floats/fp_eg/poly_eg.html">Polynomial 61 Evaluation</a></span></dt> 62<dt><span class="section"><a href="tut/floats/fp_eg/variable_precision.html">Variable-Precision 63 Newton Evaluation</a></span></dt> 64<dt><span class="section"><a href="tut/floats/fp_eg/gauss_lagerre_quadrature.html">Gauss-Laguerre 65 quadrature</a></span></dt> 66</dl></dd> 67</dl></dd> 68<dt><span class="section"><a href="tut/interval.html">Interval Number Types</a></span></dt> 69<dd><dl><dt><span class="section"><a href="tut/interval/mpfi.html">mpfi_float</a></span></dt></dl></dd> 70<dt><span class="section"><a href="tut/complex.html">Complex Number Types</a></span></dt> 71<dd><dl> 72<dt><span class="section"><a href="tut/complex/cpp_complex.html">cpp_complex</a></span></dt> 73<dt><span class="section"><a href="tut/complex/mpc_complex.html">mpc_complex</a></span></dt> 74<dt><span class="section"><a href="tut/complex/complex128.html">complex128</a></span></dt> 75<dt><span class="section"><a href="tut/complex/complex_adaptor.html">complex_adaptor</a></span></dt> 76</dl></dd> 77<dt><span class="section"><a href="tut/rational.html">Rational Number Types</a></span></dt> 78<dd><dl> 79<dt><span class="section"><a href="tut/rational/cpp_rational.html">cpp_rational</a></span></dt> 80<dt><span class="section"><a href="tut/rational/gmp_rational.html">gmp_rational</a></span></dt> 81<dt><span class="section"><a href="tut/rational/tommath_rational.html">tommath_rational</a></span></dt> 82<dt><span class="section"><a href="tut/rational/br.html">Use With Boost.Rational</a></span></dt> 83<dt><span class="section"><a href="tut/rational/rational_adaptor.html">rational_adaptor</a></span></dt> 84</dl></dd> 85<dt><span class="section"><a href="tut/misc.html">Miscellaneous Number Types.</a></span></dt> 86<dd><dl> 87<dt><span class="section"><a href="tut/misc/logged_adaptor.html">logged_adaptor</a></span></dt> 88<dt><span class="section"><a href="tut/misc/debug_adaptor.html">debug_adaptor</a></span></dt> 89<dt><span class="section"><a href="tut/misc/visualizers.html">Visual C++ 90 Debugger Visualizers</a></span></dt> 91</dl></dd> 92<dt><span class="section"><a href="tut/conversions.html">Constructing and 93 Interconverting Between Number Types</a></span></dt> 94<dt><span class="section"><a href="tut/random.html">Generating Random Numbers</a></span></dt> 95<dt><span class="section"><a href="tut/primetest.html">Primality Testing</a></span></dt> 96<dt><span class="section"><a href="tut/lits.html">Literal Types and <code class="computeroutput"><span class="keyword">constexpr</span></code> Support</a></span></dt> 97<dt><span class="section"><a href="tut/import_export.html">Importing and 98 Exporting Data to and from <code class="computeroutput"><span class="identifier">cpp_int</span></code> 99 and <code class="computeroutput"><span class="identifier">cpp_bin_float</span></code></a></span></dt> 100<dt><span class="section"><a href="tut/rounding.html">Rounding Rules for 101 Conversions</a></span></dt> 102<dt><span class="section"><a href="tut/mixed.html">Mixed Precision Arithmetic</a></span></dt> 103<dt><span class="section"><a href="tut/gen_int.html">Generic Integer Operations</a></span></dt> 104<dt><span class="section"><a href="tut/serial.html">Boost.Serialization 105 Support</a></span></dt> 106<dt><span class="section"><a href="tut/limits.html">Numeric Limits</a></span></dt> 107<dd><dl> 108<dt><span class="section"><a href="tut/limits/constants.html">std::numeric_limits<> 109 constants</a></span></dt> 110<dt><span class="section"><a href="tut/limits/functions.html"><code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">numeric_limits</span><span class="special"><></span></code> functions</a></span></dt> 111<dt><span class="section"><a href="tut/limits/limits32.html">Numeric limits 112 for 32-bit platform</a></span></dt> 113<dt><span class="section"><a href="tut/limits/how_to_tell.html">How to 114 Determine the Kind of a Number From <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">numeric_limits</span></code></a></span></dt> 115</dl></dd> 116<dt><span class="section"><a href="tut/input_output.html">Input Output</a></span></dt> 117<dt><span class="section"><a href="tut/hash.html">Hash Function Support</a></span></dt> 118<dt><span class="section"><a href="tut/eigen.html">Eigen Interoperability</a></span></dt> 119<dt><span class="section"><a href="tut/new_backend.html">Writing a New Backend</a></span></dt> 120</dl></div> 121<p> 122 In order to use this library you need to make two choices: 123 </p> 124<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 125<li class="listitem"> 126 What kind of number do I want (<a class="link" href="tut/ints.html" title="Integer Types">integer</a>, 127 <a class="link" href="tut/floats.html" title="Floating-point Types">floating-point</a>, 128 <a class="link" href="tut/rational.html" title="Rational Number Types">rational</a>, or 129 <a class="link" href="tut/complex.html" title="Complex Number Types">complex</a>). 130 </li> 131<li class="listitem"> 132 Which back-end do I want to perform the actual arithmetic (Boost-supplied, 133 GMP, MPFR, MPC, Tommath etc)? 134 </li> 135</ul></div> 136</div> 137<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 138<td align="left"></td> 139<td align="right"><div class="copyright-footer">Copyright © 2002-2020 John 140 Maddock and Christopher Kormanyos<p> 141 Distributed under the Boost Software License, Version 1.0. (See accompanying 142 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>) 143 </p> 144</div></td> 145</tr></table> 146<hr> 147<div class="spirit-nav"> 148<a accesskey="p" href="intro.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../index.html"><img src="../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../index.html"><img src="../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="tut/ints.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 149</div> 150</body> 151</html> 152
