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- The following back-ends provide integer arithmetic:
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- Backend Type
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- <p>
- Header
- </p>
- </th>
- <th>
- <p>
- Radix
- </p>
- </th>
- <th>
- <p>
- Dependencies
- </p>
- </th>
- <th>
- <p>
- Pros
- </p>
- </th>
- <th>
- <p>
- Cons
- </p>
- </th>
- </tr></thead>
- <tbody>
- <tr>
- <td>
- <p>
- <code class="computeroutput"><span class="identifier">cpp_int</span></code>
- </p>
- </td>
- <td>
- <p>
- boost/multiprecision/cpp_int.hpp
- </p>
- </td>
- <td>
- <p>
- 2
- </p>
- </td>
- <td>
- <p>
- None
- </p>
- </td>
- <td>
- <p>
- Very versatile, Boost licensed, all C++ integer type which support
- both <a href="http://en.wikipedia.org/wiki/Arbitrary-precision_arithmetic" target="_top">arbitrary
- precision</a> and fixed precision integer types.
- </p>
- </td>
- <td>
- <p>
- Slower than <a href="http://gmplib.org" target="_top">GMP</a>, though
- typically not as slow as <a href="http://libtom.net" target="_top">libtommath</a>
- </p>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- <code class="computeroutput"><span class="identifier">gmp_int</span></code>
- </p>
- </td>
- <td>
- <p>
- boost/multiprecision/gmp.hpp
- </p>
- </td>
- <td>
- <p>
- 2
- </p>
- </td>
- <td>
- <p>
- <a href="http://gmplib.org" target="_top">GMP</a>
- </p>
- </td>
- <td>
- <p>
- Very fast and efficient back-end.
- </p>
- </td>
- <td>
- <p>
- Dependency on GNU licensed <a href="http://gmplib.org" target="_top">GMP</a>
- library.
- </p>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- <code class="computeroutput"><span class="identifier">tom_int</span></code>
- </p>
- </td>
- <td>
- <p>
- boost/multiprecision/tommath.hpp
- </p>
- </td>
- <td>
- <p>
- 2
- </p>
- </td>
- <td>
- <p>
- <a href="http://libtom.net" target="_top">libtommath</a>
- </p>
- </td>
- <td>
- <p>
- Public domain back-end with no licence restrictions.
- </p>
- </td>
- <td>
- <p>
- Slower than <a href="http://gmplib.org" target="_top">GMP</a>.
- </p>
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- Distributed under the Boost Software License, Version 1.0. (See accompanying
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