call Explicitly ::rint and ::rintf for targets without c++11. Without this, the Windows build breaks when trying to compile numext::rint<double>.
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.