blob: 938f15a25c51d276be832b5825ede3ed198968d7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/*
* Copyright (C) 2016-2017 Andes Technology, Inc.
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
/* Clear given exceptions in current floating-point environment.
Copyright (C) 1997-2013 Free Software Foundation, Inc.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
#include <fenv.h>
#include "fenv_libc.h"
#include <fpu_control.h>
int
feclearexcept (int excepts)
{
#ifdef __NDS32_ABI_2FP_PLUS__
unsigned long int temp;
/* Mask out unsupported bits/exceptions. */
excepts &= FE_ALL_EXCEPT;
/* Get the current floating point status. */
_FPU_GETCW (temp);
/* Clear the relevant bits. */
temp &= ~excepts;
/* Put the new data in effect. */
_FPU_SETCW (temp);
/* Success. */
return 0;
#else
/* Unsupported, so fail unless nothing needs to be done. */
return (excepts != 0);
#endif
}
|
