| /* err/strerror.c |
| * |
| * Copyright (C) 1996, 1997, 1998, 1999, 2000 Gerard Jungman, Brian Gough |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or (at |
| * your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| */ |
| |
| #include <config.h> |
| #include <gsl/gsl_errno.h> |
| |
| const char * |
| gsl_strerror (const int gsl_errno) |
| { |
| switch (gsl_errno) |
| { |
| case GSL_SUCCESS: |
| return "success" ; |
| case GSL_FAILURE: |
| return "failure" ; |
| case GSL_CONTINUE: |
| return "the iteration has not converged yet"; |
| case GSL_EDOM: |
| return "input domain error" ; |
| case GSL_ERANGE: |
| return "output range error" ; |
| case GSL_EFAULT: |
| return "invalid pointer" ; |
| case GSL_EINVAL: |
| return "invalid argument supplied by user" ; |
| case GSL_EFAILED: |
| return "generic failure" ; |
| case GSL_EFACTOR: |
| return "factorization failed" ; |
| case GSL_ESANITY: |
| return "sanity check failed - shouldn't happen" ; |
| case GSL_ENOMEM: |
| return "malloc failed" ; |
| case GSL_EBADFUNC: |
| return "problem with user-supplied function"; |
| case GSL_ERUNAWAY: |
| return "iterative process is out of control"; |
| case GSL_EMAXITER: |
| return "exceeded max number of iterations" ; |
| case GSL_EZERODIV: |
| return "tried to divide by zero" ; |
| case GSL_EBADTOL: |
| return "specified tolerance is invalid or theoretically unattainable" ; |
| case GSL_ETOL: |
| return "failed to reach the specified tolerance" ; |
| case GSL_EUNDRFLW: |
| return "underflow" ; |
| case GSL_EOVRFLW: |
| return "overflow" ; |
| case GSL_ELOSS: |
| return "loss of accuracy" ; |
| case GSL_EROUND: |
| return "roundoff error" ; |
| case GSL_EBADLEN: |
| return "matrix/vector sizes are not conformant" ; |
| case GSL_ENOTSQR: |
| return "matrix not square" ; |
| case GSL_ESING: |
| return "singularity or extremely bad function behavior detected" ; |
| case GSL_EDIVERGE: |
| return "integral or series is divergent" ; |
| case GSL_EUNSUP: |
| return "the required feature is not supported by this hardware platform"; |
| case GSL_EUNIMPL: |
| return "the requested feature is not (yet) implemented"; |
| case GSL_ECACHE: |
| return "cache limit exceeded"; |
| case GSL_ETABLE: |
| return "table limit exceeded"; |
| case GSL_ENOPROG: |
| return "iteration is not making progress towards solution"; |
| case GSL_ENOPROGJ: |
| return "jacobian evaluations are not improving the solution"; |
| case GSL_ETOLF: |
| return "cannot reach the specified tolerance in F"; |
| case GSL_ETOLX: |
| return "cannot reach the specified tolerance in X"; |
| case GSL_ETOLG: |
| return "cannot reach the specified tolerance in gradient"; |
| case GSL_EOF: |
| return "end of file"; |
| default: |
| return "unknown error code" ; |
| } |
| } |
