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- /* err/strerror.c
- *
- * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 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 3 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 "gsl__config.h"
- #include "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" ;
- }
- }
|
