/*      $OpenBSD: flt_rounds.c,v 1.4 2015/10/27 05:54:49 guenther Exp $ */
/*
 * Written by J.T. Conklin, Apr 11, 1995
 * Public domain.
 */

#include <sys/types.h>
#include <float.h>

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));
        __asm__("nop");
        return map[x & 0x03];
}
DEF_STRONG(__flt_rounds);