1 /* Clear given exceptions in current floating-point environment.
2 Copyright (C) 1997-2014 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 <http://www.gnu.org/licenses/>. */
20 #include <fpu_control.h>
21 #include <arm-features.h>
25 __feclearexcept (int excepts
)
29 unsigned long int temp
;
31 /* Mask out unsupported bits/exceptions. */
32 excepts
&= FE_ALL_EXCEPT
;
34 /* Get the current floating point status. */
37 /* Clear the relevant bits. */
38 temp
= (temp
& ~FE_ALL_EXCEPT
) | (temp
& FE_ALL_EXCEPT
& ~excepts
);
40 /* Put the new data in effect. */
47 /* Unsupported, so fail unless nothing needs to be done. */
48 return (excepts
!= 0);
51 #include <shlib-compat.h>
52 #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
53 strong_alias (__feclearexcept
, __old_feclearexcept
)
54 compat_symbol (libm
, __old_feclearexcept
, feclearexcept
, GLIBC_2_1
);
57 libm_hidden_ver (__feclearexcept
, feclearexcept
)
58 versioned_symbol (libm
, __feclearexcept
, feclearexcept
, GLIBC_2_2
);