pycauset.slogdet pycauset.slogdet(a) Compute a sign/log-determinant pair. Returns A tuple (sign, logabsdet) where: sign is -1.0, 0.0, or 1.0 logabsdet is log(abs(det(a))) (or -inf if det(a) == 0) Notes This currently uses the matrix method a.determinant().