1 /* multimin/convergence.c
3 * Copyright (C) 1996, 1997, 1998, 1999, 2000 Fabrice Rossi
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or (at
8 * your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21 #include <gsl/gsl_multimin.h>
22 #include <gsl/gsl_blas.h>
25 gsl_multimin_test_gradient (const gsl_vector *g, double epsabs)
31 GSL_ERROR ("absolute tolerance is negative", GSL_EBADTOL);
34 norm = gsl_blas_dnrm2(g);
45 gsl_multimin_test_size (const double size, double epsabs)
49 GSL_ERROR ("absolute tolerance is negative", GSL_EBADTOL);