freebsd-dev/lib/libc/softfloat/unordsf2.c
Olivier Houchard 15144b0f96 Import the softfloat emulation library, needed for FreeBSD/arm right now.
It should become useless when gcc 3.4 will be imported, as libgcc from
gcc 3.4 contains this bits for arm.
2004-05-14 12:13:06 +00:00

27 lines
606 B
C

/* $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"
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
flag __unordsf2(float32, float32);
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));
}