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Eigen-unsupported
3.2.0
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@code #include <Eigen/MPRealSupport> \endcode This module provides support for multi precision floating point numbers via the <a href="http://www.holoborodko.com/pavel/mpfr">MPFR C++</a> library which itself is built upon <a href="http://www.mpfr.org/">MPFR</a>/<a href="http://gmplib.org/">GMP</a>. You can find a copy of MPFR C++ that is known to be compatible in the unsupported/test/mpreal folder. Here is an example: