29 lines
733 B
C
29 lines
733 B
C
/* $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>
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
__RCSID("$NetBSD: unorddf2.c,v 1.1 2003/05/06 08:58:19 rearnsha Exp $");
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
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));
|
|
}
|