throw new IllegalArgumentException("Exception occured in cs_sqr()"); N = Dcs_lu.cs_lu(dcs, S, 1); if (N == null) { throw new IllegalArgumentException("Exception occured in cs_lu()");
throw new IllegalArgumentException("Exception occured in cs_sqr()"); N = Dcs_lu.cs_lu(dcs, S, 1); if (N == null) { throw new IllegalArgumentException("Exception occured in cs_lu()");
n = A.n; S = Dcs_sqr.cs_sqr(order, A, false); /* ordering and symbolic analysis */ N = Dcs_lu.cs_lu(A, S, tol); /* numeric LU factorization */ x = new double[n]; /* get workspace */ ok = (S != null && N != null);