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91650f79 | 1 | /* Set floating-point environment exception handling. |
581c785b | 2 | Copyright (C) 1997-2022 Free Software Foundation, Inc. |
91650f79 | 3 | This file is part of the GNU C Library. |
91650f79 UD |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or | |
3214b89b 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. | |
91650f79 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 | |
3214b89b | 13 | Lesser General Public License for more details. |
91650f79 | 14 | |
3214b89b | 15 | You should have received a copy of the GNU Lesser General Public |
ab84e3ff | 16 | License along with the GNU C Library. If not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
91650f79 | 18 | |
c9bca511 | 19 | #include <fenv_libc.h> |
91650f79 | 20 | |
146bade7 UD |
21 | int |
22 | __fesetexceptflag (const fexcept_t *flagp, int excepts) | |
91650f79 | 23 | { |
146bade7 | 24 | unsigned long int tmp; |
91650f79 UD |
25 | |
26 | /* Get the current exception state. */ | |
146bade7 | 27 | tmp = __ieee_get_fp_control (); |
91650f79 UD |
28 | |
29 | /* Set all the bits that were called for. */ | |
c9bca511 | 30 | tmp = (tmp & ~SWCR_STATUS_MASK) | (*flagp & excepts & SWCR_STATUS_MASK); |
91650f79 UD |
31 | |
32 | /* And store it back. */ | |
146bade7 UD |
33 | __ieee_set_fp_control (tmp); |
34 | ||
35 | /* Success. */ | |
36 | return 0; | |
91650f79 | 37 | } |
60446d7a RM |
38 | |
39 | #include <shlib-compat.h> | |
40 | #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) | |
146bade7 | 41 | strong_alias (__fesetexceptflag, __old_fesetexceptflag) |
60446d7a RM |
42 | compat_symbol (libm, __old_fesetexceptflag, fesetexceptflag, GLIBC_2_1); |
43 | #endif | |
44 | ||
45 | versioned_symbol (libm, __fesetexceptflag, fesetexceptflag, GLIBC_2_2); |