1 | /* Set floating-point environment exception handling. |
2 | Copyright (C) 1997-2024 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 |
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 | |