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In SSE, by adding/subtracting 2^MantissaBits, we force rounding according to the current rounding mode. For NEON, we use the provided intrinsics for rint/floor/ceil if available (armv8). Related to #1969.
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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