1/*	$NetBSD: flt_rounds.c,v 1.5 2005/12/24 23:10:08 perry Exp $	*/
2
3/*
4 * Written by J.T. Conklin, Apr 11, 1995
5 * Public domain.
6 */
7
8#include <sys/cdefs.h>
9#if defined(LIBC_SCCS) && !defined(lint)
10__RCSID("$NetBSD: flt_rounds.c,v 1.5 2005/12/24 23:10:08 perry Exp $");
11#endif /* LIBC_SCCS and not lint */
12
13#include <machine/float.h>
14#include <ieeefp.h>
15
16static const int map[] = {
17	1,	/* round to nearest */
18	0,	/* round to zero */
19	2,	/* round to positive infinity */
20	3	/* round to negative infinity */
21};
22
23int
24__flt_rounds()
25{
26#ifdef SOFTFLOAT_FOR_GCC
27	return map[fpgetround()];
28#else
29	int x;
30
31	__asm("cfc1\t%0,$31" : "=r" (x));
32	return map[x & 0x03];
33#endif
34}
35