audk/ArmPkg/Library/ArmSoftFloatLib/Arm/__aeabi_fcmpun.c

36 lines
906 B
C

/* $NetBSD: __aeabi_fcmpun.c,v 1.1 2013/04/16 10:37:39 matt Exp $ */
/** @file
*
* Copyright (c) 2013 - 2014, ARM Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-2-Clause-Patent
*
**/
/*
* Written by Richard Earnshaw, 2003. This file is in the Public Domain.
*/
#include "softfloat-for-gcc.h"
#include "milieu.h"
#include "softfloat.h"
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: __aeabi_fcmpun.c,v 1.1 2013/04/16 10:37:39 matt Exp $");
#endif /* LIBC_SCCS and not lint */
int __aeabi_fcmpun(float32, float32);
int
__aeabi_fcmpun(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 !float32_eq(a, a) || !float32_eq(b, b);
}