NetBSD/lib/libc/arch/ns32k/gen/flt_rounds.c

21 lines
316 B
C
Raw Normal View History

1995-04-29 01:57:00 +04:00
/*
* Written by J.T. Conklin, Apr 28, 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__("sfsr %0" : "=r" (x));
return map[(x >> 7) & 0x03];
}