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  26 <div class="titlepage"><div><div><h3 class="title">
  27 <a name="boost_multiprecision.tut.complex"></a><a class="link" href="complex.html" title="Complex Number Types">Complex Number Types</a>
  28 </h3></div></div></div>
  29 <div class="toc"><dl class="toc">
  30 <dt><span class="section"><a href="complex/cpp_complex.html">cpp_complex</a></span></dt>
  31 <dt><span class="section"><a href="complex/mpc_complex.html">mpc_complex</a></span></dt>
  32 <dt><span class="section"><a href="complex/complex128.html">complex128</a></span></dt>
  33 <dt><span class="section"><a href="complex/complex_adaptor.html">complex_adaptor</a></span></dt>
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  35 <p>
  36         The following backends provide complex number arithmetic:
  37       </p>
  38 <div class="informaltable"><table class="table">
  39 <colgroup>
  40 <col>
  41 <col>
  42 <col>
  43 <col>
  44 <col>
  45 <col>
  46 </colgroup>
  47 <thead><tr>
  48 <th>
  49                 <p>
  50                   Backend Type
  51                 </p>
  52               </th>
  53 <th>
  54                 <p>
  55                   Header
  56                 </p>
  57               </th>
  58 <th>
  59                 <p>
  60                   Radix
  61                 </p>
  62               </th>
  63 <th>
  64                 <p>
  65                   Dependencies
  66                 </p>
  67               </th>
  68 <th>
  69                 <p>
  70                   Pros
  71                 </p>
  72               </th>
  73 <th>
  74                 <p>
  75                   Cons
  76                 </p>
  77               </th>
  78 </tr></thead>
  79 <tbody>
  80 <tr>
  81 <td>
  82                 <p>
  83                   <code class="computeroutput"><span class="identifier">cpp_complex</span></code>
  84                 </p>
  85               </td>
  86 <td>
  87                 <p>
  88                   boost/multiprecision/cpp_complex.hpp
  89                 </p>
  90               </td>
  91 <td>
  92                 <p>
  93                   2
  94                 </p>
  95               </td>
  96 <td>
  97                 <p>
  98                   None
  99                 </p>
 100               </td>
 101 <td>
 102                 <p>
 103                   An all C++ Boost-licensed implementation.
 104                 </p>
 105               </td>
 106 <td>
 107                 <p>
 108                   Slower than <a href="http://www.multiprecision.org" target="_top">MPC</a>.
 109                 </p>
 110               </td>
 111 </tr>
 112 <tr>
 113 <td>
 114                 <p>
 115                   <code class="computeroutput"><span class="identifier">mpc</span></code>
 116                 </p>
 117               </td>
 118 <td>
 119                 <p>
 120                   boost/multiprecision/mpc.hpp
 121                 </p>
 122               </td>
 123 <td>
 124                 <p>
 125                   2
 126                 </p>
 127               </td>
 128 <td>
 129                 <p>
 130                   <a href="http://www.multiprecision.org" target="_top">MPC</a>
 131                 </p>
 132               </td>
 133 <td>
 134                 <p>
 135                   Very fast and efficient back-end.
 136                 </p>
 137               </td>
 138 <td>
 139                 <p>
 140                   Dependency on LGLP-licensed [MPC] library.
 141                 </p>
 142               </td>
 143 </tr>
 144 <tr>
 145 <td>
 146                 <p>
 147                   <code class="computeroutput"><span class="identifier">compplex128</span></code>
 148                 </p>
 149               </td>
 150 <td>
 151                 <p>
 152                   boost/multiprecision/complex128.hpp
 153                 </p>
 154               </td>
 155 <td>
 156                 <p>
 157                   2
 158                 </p>
 159               </td>
 160 <td>
 161                 <p>
 162                   <code class="computeroutput"><a class="link" href="floats/float128.html" title="float128">float128</a></code>
 163                   and libquadmath
 164                 </p>
 165               </td>
 166 <td>
 167                 <p>
 168                   Very fast and efficient number type.
 169                 </p>
 170               </td>
 171 <td>
 172                 <p>
 173                   128-bit precision only, and resticted to GCC.
 174                 </p>
 175               </td>
 176 </tr>
 177 <tr>
 178 <td>
 179                 <p>
 180                   <code class="computeroutput"><span class="identifier">complex_adaptor</span></code>
 181                 </p>
 182               </td>
 183 <td>
 184                 <p>
 185                   boost/multiprecision/complex_adaptor.hpp
 186                 </p>
 187               </td>
 188 <td>
 189                 <p>
 190                   -
 191                 </p>
 192               </td>
 193 <td>
 194                 <p>
 195                   none
 196                 </p>
 197               </td>
 198 <td>
 199                 <p>
 200                   Can convert any backend type into a complex number backend.
 201                 </p>
 202               </td>
 203 <td>
 204                 <p>
 205                   Not a numbe rin it's own right, and hard to use as a result.
 206                 </p>
 207               </td>
 208 </tr>
 209 </tbody>
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 211 </div>
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 213 <td align="left"></td>
 214 <td align="right"><div class="copyright-footer">Copyright &#169; 2002-2019 John Maddock
 215       and Christopher Kormanyos<p>
 216         Distributed under the Boost Software License, Version 1.0. (See accompanying
 217         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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