__aeabi_fcmpun.c revision 1.1
1/* $NetBSD: __aeabi_fcmpun.c,v 1.1 2013/04/16 10:37:39 matt Exp $ */
2
3/*
4 * Written by Richard Earnshaw, 2003.  This file is in the Public Domain.
5 */
6
7#include "softfloat-for-gcc.h"
8#include "milieu.h"
9#include "softfloat.h"
10
11#include <sys/cdefs.h>
12#if defined(LIBC_SCCS) && !defined(lint)
13__RCSID("$NetBSD: __aeabi_fcmpun.c,v 1.1 2013/04/16 10:37:39 matt Exp $");
14#endif /* LIBC_SCCS and not lint */
15
16int __aeabi_fcmpun(float32, float32);
17
18int
19__aeabi_fcmpun(float32 a, float32 b)
20{
21	/*
22	 * The comparison is unordered if either input is a NaN.
23	 * Test for this by comparing each operand with itself.
24	 * We must perform both comparisons to correctly check for
25	 * signalling NaNs.
26	 */
27	return !float32_eq(a, a) || !float32_eq(b, b);
28}
29