Antonio Sanchez 31f796ebef Fix MPReal detection and support.
The latest version of `mpreal` has a bug that breaks `min`/`max`.
It also breaks with the latest dev version of `mpfr`. Here we
add `FindMPREAL.cmake` which searches for the library and tests if
compilation works.

Removed our internal copy of `mpreal.h` under `unsupported/test`, as
it is out-of-sync with the latest, and similarly breaks with
the latest `mpfr`.  It would be best to use the installed version
of `mpreal` anyways, since that's what we actually want to test.

Fixes #2282.
2021-08-03 17:55:03 +00:00
2021-08-03 17:55:03 +00:00
2018-03-11 10:01:44 -04:00
2021-07-07 17:24:57 +00:00
2012-07-15 10:20:59 -04:00

Eigen is a C++ template library for linear algebra: matrices, vectors, numerical solvers, and related algorithms.

For more information go to http://eigen.tuxfamily.org/.

For pull request, bug reports, and feature requests, go to https://gitlab.com/libeigen/eigen.

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