eigen - C++ library for linear algebra

	Commit message (Collapse)	Author	Age
*	Replace COPYING.LGPL by a copy of the LGPL 2.1 (instead of LGPL 3).	Benoit Jacob	2012-09-10
\| \| \| \|	Indeed, all the LGPL code we use, is licensed under LGPL 2.1 (with some files being "2.1 or later").
*	add SSE path for Matrix4f inverse, taken from Intel except that we do a kosher	Benoit Jacob	2009-12-14
\| \| \| \| \| \|	division instead of RCPPS-followed-by-Newton-Raphson. The rationale for that is that elsewhere in Eigen we dont allow ourselves this approximation (which throws 2 bits of mantissa), so there's no reason we should allow it here.
*	there's no reason why we should follow the FSF's stupid recommendation for ↵	Benoit Jacob	2009-11-14
	the naming of these files, right? This could give the wrong impression that Eigen is only GPL-licensed.