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git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/alpha/fpu/fsetexcptflg.c
7b6831f9aa48dd365880819d2de0b32e330bcd68
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.
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.
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.
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/>. */
19 #include <fenv_libc.h>
22 __fesetexceptflag (const fexcept_t
*flagp
, int excepts
)
24 unsigned long int tmp
;
26 /* Get the current exception state. */
27 tmp
= __ieee_get_fp_control ();
29 /* Set all the bits that were called for. */
30 tmp
^= (tmp
^ *flagp
) & excepts
& SWCR_STATUS_MASK
;
32 /* And store it back. */
33 __ieee_set_fp_control (tmp
);
39 #include <shlib-compat.h>
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
);
45 versioned_symbol (libm
, __fesetexceptflag
, fesetexceptflag
, GLIBC_2_2
);