]>
git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/alpha/fpu/fclrexcpt.c
f098b5c74e02845eaa74f2b66e06f337f0618e88
1 /* Clear given exceptions in current floating-point environment.
2 Copyright (C) 1997-2019 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Richard Henderson <rth@tamu.edu>, 1997.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library. If not, see
18 <http://www.gnu.org/licenses/>. */
20 #include <fenv_libc.h>
23 __feclearexcept (int excepts
)
25 unsigned long int swcr
;
27 /* Get the current state. */
28 swcr
= __ieee_get_fp_control ();
30 /* Clear the relevant bits. */
31 swcr
&= ~((unsigned long int) excepts
& SWCR_STATUS_MASK
);
33 /* Put the new state in effect. */
34 __ieee_set_fp_control (swcr
);
40 #include <shlib-compat.h>
41 #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
42 strong_alias (__feclearexcept
, __old_feclearexcept
)
43 compat_symbol (libm
, __old_feclearexcept
, feclearexcept
, GLIBC_2_1
);
46 libm_hidden_ver (__feclearexcept
, feclearexcept
)
47 versioned_symbol (libm
, __feclearexcept
, feclearexcept
, GLIBC_2_2
);