1/* Copyright (C) 1989, 1990, 1991, 1992, 2001 Free Software Foundation, Inc.
2     Written by James Clark (jjc@jclark.com)
3
4This file is part of groff.
5
6groff is free software; you can redistribute it and/or modify it under
7the terms of the GNU General Public License as published by the Free
8Software Foundation; either version 2, or (at your option) any later
9version.
10
11groff is distributed in the hope that it will be useful, but WITHOUT ANY
12WARRANTY; without even the implied warranty of MERCHANTABILITY or
13FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14for more details.
15
16You should have received a copy of the GNU General Public License along
17with groff; see the file COPYING.  If not, write to the Free Software
18Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
19
20#ifdef HAVE_CONFIG_H
21#include <config.h>
22#endif
23
24#include <math.h>
25#include <errno.h>
26
27#ifdef HAVE_STRUCT_EXCEPTION
28#ifdef TLOSS
29
30int matherr(exc)
31struct exception *exc;
32{
33  switch (exc->type) {
34  case SING:
35  case DOMAIN:
36    errno = EDOM;
37    break;
38  case OVERFLOW:
39  case UNDERFLOW:
40  case TLOSS:
41  case PLOSS:
42    errno = ERANGE;
43    break;
44  }
45  return 1;
46}
47
48#endif /* TLOSS */
49#endif /* HAVE_STRUCT_EXCEPTION */
50