blob: e2dc2831714ac70335dd70f32ddc4c56aa94285c (
plain) (
blame)
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
|
/* Install given floating-point control modes. S/390 version.
Copyright (C) 2016-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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 <fenv.h>
#include <fpu_control.h>
#include <fenv_libc.h>
#define FPC_STATUS (FPC_FLAGS_MASK | FPC_DXC_MASK)
int
fesetmode (const femode_t *modep)
{
fpu_control_t fpc;
_FPU_GETCW (fpc);
fpc &= FPC_STATUS;
if (modep == FE_DFL_MODE)
fpc |= _FPU_DEFAULT;
else
fpc |= *modep & ~FPC_STATUS;
_FPU_SETCW (fpc);
return 0;
}
|
