Stephen McDowell b03881d1bb Eigen 3.3.1 is latest stable version. (#2551) ... Main page states [3.3.1 is latest stable](http://eigen.tuxfamily.org/index.php?title=Main_Page).		2016-12-10 16:23:20 -08:00
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spack	Eigen 3.3.1 is latest stable version. (#2551)	2016-12-10 16:23:20 -08:00