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
|
/* Install given floating-point environment.
Copyright (C) 2000-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
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_libc.h>
#include <fpu_control.h>
#include <stddef.h>
#include <asm/ptrace.h>
#include <sys/ptrace.h>
#include <unistd.h>
int
fesetenv (const fenv_t *envp)
{
fenv_t env;
if (envp == FE_DFL_ENV)
{
env.__fpc = _FPU_DEFAULT;
env.__ieee_instruction_pointer = 0;
}
else if (envp == FE_NOMASK_ENV)
{
env.__fpc = FPC_EXCEPTION_MASK;
env.__ieee_instruction_pointer = 0;
}
else
env = (*envp);
_FPU_SETCW (env.__fpc);
/* Success. */
return 0;
}
libm_hidden_def (fesetenv)
|
