29 lines
733 B
C
29 lines
733 B
C
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/* $NetBSD: unorddf2.c,v 1.1 2003/05/06 08:58:19 rearnsha Exp $ */
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/*
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* Written by Richard Earnshaw, 2003. This file is in the Public Domain.
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*/
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#include "softfloat-for-gcc.h"
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#include "milieu.h"
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#include "softfloat.h"
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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__RCSID("$NetBSD: unorddf2.c,v 1.1 2003/05/06 08:58:19 rearnsha Exp $");
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#endif /* LIBC_SCCS and not lint */
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flag __unorddf2(float64, float64);
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flag
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__unorddf2(float64 a, float64 b)
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{
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/*
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* The comparison is unordered if either input is a NaN.
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* Test for this by comparing each operand with itself.
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* We must perform both comparisons to correctly check for
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* signalling NaNs.
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*/
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return 1 ^ (float64_eq(a, a) & float64_eq(b, b));
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}
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