ArmPkg/ArmSoftFloatLib: switch to new version of softfloat library

[mirror_edk2.git] / ArmPkg / Library / ArmSoftFloatLib / Arm / __aeabi_dcmpun.c

/* $NetBSD: __aeabi_dcmpun.c,v 1.1 2013/04/16 10:37:39 matt Exp $ */\r
\r
/** @file\r
*\r
*  Copyright (c) 2013 - 2014, ARM Limited. All rights reserved.\r
*\r
*  SPDX-License-Identifier: BSD-2-Clause-Patent\r
*\r
**/\r
\r
/*\r
 * Written by Richard Earnshaw, 2003.  This file is in the Public Domain.\r
 */\r
\r
#include "softfloat-for-gcc.h"\r
#include "milieu.h"\r
#include "softfloat.h"\r
\r
#if defined(LIBC_SCCS) && !defined(lint)\r
__RCSID("$NetBSD: __aeabi_dcmpun.c,v 1.1 2013/04/16 10:37:39 matt Exp $");\r
#endif /* LIBC_SCCS and not lint */\r
\r
int __aeabi_dcmpun(float64, float64);\r
\r
int\r
__aeabi_dcmpun(float64 a, float64 b)\r
{\r
    /*\r
     * The comparison is unordered if either input is a NaN.\r
     * Test for this by comparing each operand with itself.\r
     * We must perform both comparisons to correctly check for\r
     * signalling NaNs.\r
     */\r
    return !float64_eq(a, a) || !float64_eq(b, b);\r
}\r