20-Jun-2006 Moved the "Small Science Libraty" code from ssl/ into this directory to avoid having to deal with OS/system-specific make files. Changed nan("") to atof("NaN") on Solaris machines (done in a quick way; should be handled in Basic/Core/ or top-level Makefile.PL). --Doug Burke 7-Jan-2004 Added a subset of the "Small Science Library" available from geisshirt.dk, to handle eigens work. The former 'eigens.c' is now relegated to 'eigens_sym'. 19-Nov-2002 This is intended to be a useful repository of self-contained linear algebra routines. Some of the stuff has been stolen from ../Math, which in turn used the Cephes maths library sources. Some of it was ported to PDL from the algorithms in _Numerical_Recipes_, but the original C code should probably be used if the copyrights allow it. --Craig DeForest