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/* $OpenBSD: unordsf2.c,v 1.4 2019/11/10 22:23:29 guenther Exp $ */
/* $NetBSD: unordsf2.c,v 1.1 2003/05/06 08:58:20 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>
flag __unordsf2(float32, float32) __dso_protected;
flag
__unordsf2(float32 a, float32 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 ^ (float32_eq(a, a) & float32_eq(b, b));
}
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