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/*
* Written by J.T. Conklin, Apr 10, 1995
* Public domain.
*/
#include <sys/types.h>
#include <machine/float.h>
#if defined(LIBC_SCCS) && !defined(lint)
static char rcsid[] = "$OpenBSD: flt_rounds.c,v 1.3 1997/08/01 21:36:33 deraadt Exp $";
#endif /* LIBC_SCCS and not lint */
static const int map[] = {
1, /* round to nearest */
0, /* round to zero */
3, /* round to negative infinity */
2 /* round to positive infinity */
};
int
__flt_rounds()
{
int x;
__asm__("st %%fsr,%0" : "=m" (*&x));
return map[(x >> 30) & 0x03];
}
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