1/* $NetBSD: unordsf2.c,v 1.1 2003/05/06 08:58:20 rearnsha 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: unordsf2.c,v 1.1 2003/05/06 08:58:20 rearnsha Exp $"); 14#endif /* LIBC_SCCS and not lint */ 15 16int __aeabi_dcmpun(float64, float64); 17 18int 19__aeabi_dcmpun(float64 a, float64 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 !float64_eq(a, a) || !float64_eq(b, b); 28} 29