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bd78530f | 1 | /* Store current floating-point environment and clear exceptions. |
33d1a2c5 | 2 | Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc. |
bd78530f UD |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
bd78530f UD |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
bd78530f | 14 | |
41bdb6e2 AJ |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, write to the Free | |
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
18 | 02111-1307 USA. */ | |
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19 | |
20 | #include <fenv.h> | |
21 | #include <fpu_control.h> | |
22 | ||
23 | int | |
24 | feholdexcept (fenv_t *envp) | |
25 | { | |
26 | unsigned long int temp; | |
27 | ||
28 | /* Store the environment. */ | |
29 | _FPU_GETCW(temp); | |
33d1a2c5 | 30 | envp->__cw = temp; |
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31 | |
32 | /* Now set all exceptions to non-stop. */ | |
33 | temp &= ~(FE_ALL_EXCEPT << FE_EXCEPT_SHIFT); | |
34 | _FPU_SETCW(temp); | |
35 | ||
8a94dfe4 | 36 | return 0; |
bd78530f | 37 | } |