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Added det_from_lu and signature functions. · fe0261efgit-svn-id: http://qboxcode.org/svn/qb/branches/efield@1615 cba15fb0-1239-40c8-b417-11db7ca47a34
Francois Gygi committed
git-svn-id: http://qboxcode.org/svn/qb/branches/efield@1615 cba15fb0-1239-40c8-b417-11db7ca47a34