public void Standard() { double[] A = { 8.79, 6.11, -9.15, 9.57, -3.49, 9.84, 9.93, 6.91, -7.93, 1.64, 4.02, 0.15, 9.83, 5.04, 4.86, 8.83, 9.80, -8.99, 5.45, -0.27, 4.85, 0.74, 10.00, -6.02, 3.16, 7.98, 3.01, 5.80, 4.27, -5.31 }; int m = 6, n = 5, lda = 6, ldu = 6, ldvt = 5, info = 0, lwork = -1; double[] work = new double[5]; /* Local arrays */ double[] s = new double[5], u = new double[6 * 6], vt = new double[5 * 5]; LAPACK.dgesvd_("ALL".ToCharArray(), "All".ToCharArray(), ref m, ref n, A, ref lda, s, u, ref ldu, vt, ref ldvt, work, ref lwork, ref info); lwork = (int)work[0]; work = new double[lwork]; LAPACK.dgesvd_("ALL".ToCharArray(), "All".ToCharArray(), ref m, ref n, A, ref lda, s, u, ref ldu, vt, ref ldvt, work, ref lwork, ref info); }