33 lines
771 B
C
33 lines
771 B
C
/* $NetBSD: unordtf2.c,v 1.2 2014/01/30 19:11:41 matt 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: unordtf2.c,v 1.2 2014/01/30 19:11:41 matt Exp $");
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#endif /* LIBC_SCCS and not lint */
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#ifdef FLOAT128
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flag __unordtf2(float128, float128);
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flag
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__unordtf2(float128 a, float128 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 ^ (float128_eq(a, a) & float128_eq(b, b));
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}
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#endif /* FLOAT128 */
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