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correct algorithm for perm matrix det (sign)
author Jaroslav Hajek <highegg@gmail.com>
date Mon, 05 Oct 2009 17:03:13 +0200
parents 50db3c5175b5
children 51c17bd18563
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9694:50db3c5175b5 9695:9fba7e1da785
1 2009-10-05 Jaroslav Hajek <highegg@gmail.com>
2
3 * PermMatrix.cc (PermMatrix::determinant): Implement a (hopefully)
4 working algorithm.
5
1 2009-10-05 Jaroslav Hajek <highegg@gmail.com> 6 2009-10-05 Jaroslav Hajek <highegg@gmail.com>
2 7
3 * dim-vector.h (operator ==): Include fast case. 8 * dim-vector.h (operator ==): Include fast case.
4 * base-lu.cc (base_lu::packed, base_lu::unpack): New methods. 9 * base-lu.cc (base_lu::packed, base_lu::unpack): New methods.
5 (base_lu::L, base_lu::U, base_lu::Y, base_lu::getp): Distinguish 10 (base_lu::L, base_lu::U, base_lu::Y, base_lu::getp): Distinguish