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/* 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" ;
}
}
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