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8c4ebc23 JH |
1 | /* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc. |
2 | Written by James Clark (jjc@jclark.com) | |
3 | ||
4 | This file is part of groff. | |
5 | ||
6 | groff is free software; you can redistribute it and/or modify it under | |
7 | the terms of the GNU General Public License as published by the Free | |
8 | Software Foundation; either version 2, or (at your option) any later | |
9 | version. | |
10 | ||
11 | groff is distributed in the hope that it will be useful, but WITHOUT ANY | |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License along | |
17 | with groff; see the file COPYING. If not, write to the Free Software | |
18 | Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
20 | #include <math.h> | |
21 | #include <errno.h> | |
22 | ||
23 | #ifdef HAVE_STRUCT_EXCEPTION | |
24 | #ifdef TLOSS | |
25 | ||
26 | int matherr(exc) | |
27 | struct exception *exc; | |
28 | { | |
29 | switch (exc->type) { | |
30 | case SING: | |
31 | case DOMAIN: | |
32 | errno = EDOM; | |
33 | break; | |
34 | case OVERFLOW: | |
35 | case UNDERFLOW: | |
36 | case TLOSS: | |
37 | case PLOSS: | |
38 | errno = ERANGE; | |
39 | break; | |
40 | } | |
41 | return 1; | |
42 | } | |
43 | ||
44 | #endif /* TLOSS */ | |
45 | #endif /* HAVE_STRUCT_EXCEPTION */ |