blob: 783541d5bda5cfd55f68d652ddcab7d4ef2b63e1 (
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
|
/* Set current rounding direction.
Copyright (C) 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Aldy Hernandez <aldyh@redhat.com>, 2004.
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"
int
fesetround (int round)
{
unsigned long fpescr;
if ((unsigned int) round > 3)
return 1;
fpescr = fegetenv_register ();
fpescr = (fpescr & ~SPEFSCR_FRMC) | (round & 3);
fesetenv_register (fpescr);
return 0;
}
libm_hidden_def (fesetround)
|
