blob: 012a5bfff4b3303d7144a21beffa1f30d72ad7dc (
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
|
/*
* Copyright (C) 2016-2017 Andes Technology, Inc.
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
/* Set current rounding direction.
Copyright (C) 2004-2013 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 <fpu_control.h>
int
fesetround (int round)
{
#ifdef __NDS32_ABI_2FP_PLUS__
fpu_control_t temp;
if ((round & ~0x3) != 0)
/* ROUND is no valid rounding mode. */
return 1;
_FPU_GETCW (temp);
temp = (temp & ~0x3) | round;
_FPU_SETCW (temp);
return 0;
#else
return (round != FE_TONEAREST);
#endif
}
|
