blob: d2ee60ccfc5c25723e87016890b215967acaa74f (
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
|
/*
* Written by J.T. Conklin, Apr 10, 1995
* Public domain.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/lib/libc/ia64/gen/flt_rounds.c,v 1.1.30.1.6.1 2010/12/21 17:09:25 kensmith Exp $");
#include <float.h>
static const int map[] = {
1, /* round to nearest */
3, /* round to zero */
2, /* round to negative infinity */
0 /* round to positive infinity */
};
int
__flt_rounds(void)
{
int x;
__asm("mov %0=ar.fpsr" : "=r" (x));
return (map[(x >> 10) & 0x03]);
}
|
