1 /* Set floating-point environment exception handling.
2 Copyright (C) 1997-2022 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 <math.h>
22 #include <shlib-compat.h>
23
24 int
__fesetexceptflag(const fexcept_t * flagp,int excepts)25 __fesetexceptflag (const fexcept_t *flagp, int excepts)
26 {
27 fenv_t tmp;
28
29 __fenv_stfsr (tmp);
30
31 tmp &= ~(excepts & FE_ALL_EXCEPT);
32 tmp |= *flagp & excepts & FE_ALL_EXCEPT;
33
34 __fenv_ldfsr (tmp);
35
36 /* Success. */
37 return 0;
38 }
39
40 #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
41 strong_alias (__fesetexceptflag, __old_fesetexceptflag)
42 compat_symbol (libm, __old_fesetexceptflag, fesetexceptflag, GLIBC_2_1);
43 #endif
44
45 versioned_symbol (libm, __fesetexceptflag, fesetexceptflag, GLIBC_2_2);
46