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10fdbe1a RM |
1 | /* Store current floating-point environment and clear exceptions |
2 | (soft-float edition). | |
04277e02 | 3 | Copyright (C) 2002-2019 Free Software Foundation, Inc. |
10fdbe1a RM |
4 | Contributed by Aldy Hernandez <aldyh@redhat.com>, 2002. |
5 | This file is part of the GNU C Library. | |
6 | ||
7 | The GNU C Library is free software; you can redistribute it and/or | |
8 | modify it under the terms of the GNU Lesser General Public | |
9 | License as published by the Free Software Foundation; either | |
10 | version 2.1 of the License, or (at your option) any later version. | |
11 | ||
12 | The GNU C Library is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public | |
ab84e3ff PE |
18 | License along with the GNU C Library. If not, see |
19 | <http://www.gnu.org/licenses/>. */ | |
10fdbe1a RM |
20 | |
21 | #include "soft-fp.h" | |
22 | #include "soft-supp.h" | |
23 | ||
24 | int | |
ef9faf13 | 25 | __feholdexcept (fenv_t *envp) |
10fdbe1a RM |
26 | { |
27 | fenv_union_t u; | |
28 | ||
29 | /* Get the current state. */ | |
7d6729c9 | 30 | __fegetenv (envp); |
10fdbe1a RM |
31 | |
32 | u.fenv = *envp; | |
33 | /* Clear everything except the rounding mode. */ | |
34 | u.l[0] &= 0x3; | |
0012a852 DJ |
35 | /* Disable exceptions */ |
36 | u.l[1] = FE_ALL_EXCEPT; | |
10fdbe1a RM |
37 | |
38 | /* Put the new state in effect. */ | |
53fbd169 | 39 | __fesetenv (&u.fenv); |
10fdbe1a RM |
40 | |
41 | return 0; | |
42 | } | |
ef9faf13 JM |
43 | libm_hidden_def (__feholdexcept) |
44 | weak_alias (__feholdexcept, feholdexcept) | |
45 | libm_hidden_weak (feholdexcept) |