ArmPkg: factor out softfloat support from StdLib/LibC/SoftFloat

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

/* $NetBSD: __aeabi_fcmpun.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
*  This program and the accompanying materials\r
*  are licensed and made available under the terms and conditions of the BSD License\r
*  which accompanies this distribution.  The full text of the license may be found at\r
*  http://opensource.org/licenses/bsd-license.php\r
*\r
*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\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
#include <sys/cdefs.h>\r
#if defined(LIBC_SCCS) && !defined(lint)\r
__RCSID("$NetBSD: __aeabi_fcmpun.c,v 1.1 2013/04/16 10:37:39 matt Exp $");\r
#endif /* LIBC_SCCS and not lint */\r
\r
int __aeabi_fcmpun(float32, float32);\r
\r
int\r
__aeabi_fcmpun(float32 a, float32 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 !float32_eq(a, a) || !float32_eq(b, b);\r
}\r