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
|
/* Return current rounding direction.
Copyright (C) 2004-2025 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
<https://www.gnu.org/licenses/>. */
#include "arm-features.h"
#include <fenv.h>
#include <fpu_control.h>
/* Return the floating-point rounding mode. */
static inline int
get_rounding_mode (void)
{
fpu_control_t fpscr;
/* FE_TONEAREST is the only supported rounding mode
if a VFP unit isn't present. */
if (!ARM_HAVE_VFP)
return FE_TONEAREST;
_FPU_GETCW (fpscr);
return fpscr & _FPU_MASK_RM;
}
int
fegetround (void)
{
return get_rounding_mode ();
}
|
