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/* $OpenBSD: unorddf2.c,v 1.1 2006/11/06 15:11:37 drahn Exp $ */
/* $NetBSD: unorddf2.c,v 1.1 2003/05/06 08:58:19 rearnsha Exp $ */
/*
* Written by Richard Earnshaw, 2003. This file is in the Public Domain.
*/
#include "softfloat-for-gcc.h"
#include "milieu.h"
#include "softfloat.h"
#include <sys/cdefs.h>
flag __unorddf2(float64, float64);
flag
__unorddf2(float64 a, float64 b)
{
/*
* The comparison is unordered if either input is a NaN.
* Test for this by comparing each operand with itself.
* We must perform both comparisons to correctly check for
* signalling NaNs.
*/
return 1 ^ (float64_eq(a, a) & float64_eq(b, b));
}
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