[eigen-commits] commit/eigen: 3 new changesets

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3 new commits in eigen:

https://bitbucket.org/eigen/eigen/commits/14f468dba4d3/
Changeset:   14f468dba4d3
User:        ggael
Date:        2016-01-21 19:18:51+00:00
Summary:     Add numext::sqrt function to enable custom optimized implementation.

This changeset add two specializations for float/double on SSE. Those
are mostly usefull with GCC for which std::sqrt add an extra and costly
check on the result of _mm_sqrt_*. Clang does not add this burden.

In this changeset, only DenseBase::norm() makes use of it.
Affected #:  3 files

https://bitbucket.org/eigen/eigen/commits/1fec07394656/
Changeset:   1fec07394656
User:        ggael
Date:        2016-01-21 19:30:32+00:00
Summary:     Fix compilation on old gcc+AVX
Affected #:  1 file

https://bitbucket.org/eigen/eigen/commits/12f866a74661/
Changeset:   12f866a74661
User:        ggael
Date:        2016-01-21 19:43:42+00:00
Summary:     Bug 977: avoid division by 0 in normalize() and normalized().
Affected #:  2 files

Repository URL: https://bitbucket.org/eigen/eigen/

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