1996-09-16 22:10:35 +04:00
|
|
|
/* $NetBSD: flt_rounds.c,v 1.2 1996/09/16 18:10:42 jonathan Exp $ */
|
|
|
|
|
1995-04-11 22:13:49 +04:00
|
|
|
/*
|
|
|
|
* Written by J.T. Conklin, Apr 11, 1995
|
|
|
|
* Public domain.
|
|
|
|
*/
|
|
|
|
|
|
|
|
static const int map[] = {
|
|
|
|
1, /* round to nearest */
|
|
|
|
0, /* round to zero */
|
|
|
|
2, /* round to positive infinity */
|
|
|
|
3 /* round to negative infinity */
|
|
|
|
};
|
|
|
|
|
|
|
|
int
|
|
|
|
__flt_rounds()
|
|
|
|
{
|
|
|
|
int x;
|
|
|
|
|
|
|
|
__asm__("cfc1 %0,$31" : "=r" (x));
|
|
|
|
return map[x & 0x03];
|
|
|
|
}
|