1 /* Clear given exceptions in current floating-point environment.
2 Copyright (C) 1997-2021 Free Software Foundation, Inc.
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
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.
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
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19 #include <fenv.h>
20 #include <fenv_private.h>
21 #include <shlib-compat.h>
22
23 int
__feclearexcept(int excepts)24 __feclearexcept (int excepts)
25 {
26 fenv_t tmp;
27
28 __fenv_stfsr (tmp);
29
30 tmp &= ~(excepts & FE_ALL_EXCEPT);
31
32 __fenv_ldfsr (tmp);
33
34 /* Success. */
35 return 0;
36 }
37
38 #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
39 strong_alias (__feclearexcept, __old_feclearexcept)
40 compat_symbol (libm, __old_feclearexcept, feclearexcept, GLIBC_2_1);
41 #endif
42
43 libm_hidden_ver (__feclearexcept, feclearexcept)
44 versioned_symbol (libm, __feclearexcept, feclearexcept, GLIBC_2_2);
45