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Diffstat (limited to 'gsl-1.9/err/strerror.c')
-rw-r--r--gsl-1.9/err/strerror.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/gsl-1.9/err/strerror.c b/gsl-1.9/err/strerror.c
new file mode 100644
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+++ b/gsl-1.9/err/strerror.c
@@ -0,0 +1,101 @@
+/* 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" ;
+ }
+}