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05ef7ce9 | 1 | /* Get enabled floating-point exceptions. |
688903eb | 2 | Copyright (C) 1999-2018 Free Software Foundation, Inc. |
05ef7ce9 UD |
3 | This file is part of the GNU C Library. |
4 | Contributed by Andreas Jaeger <aj@suse.de>, 1999. | |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
7 | modify it under the terms of the GNU Lesser General Public |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
05ef7ce9 UD |
10 | |
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 14 | Lesser General Public License for more details. |
05ef7ce9 | 15 | |
41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
05ef7ce9 UD |
19 | |
20 | #include <fenv.h> | |
21 | ||
22 | int | |
23 | fegetexcept (void) | |
24 | { | |
25 | unsigned short int exc; | |
26 | ||
27 | /* Get the current control word. */ | |
28 | __asm__ ("fstcw %0" : "=m" (*&exc)); | |
29 | ||
522554b1 | 30 | return (~exc) & FE_ALL_EXCEPT; |
05ef7ce9 | 31 | } |