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/* $Id$ */
/** @file
* IPRT - No-CRT - fmax().
*/
/*
* Copyright (C) 2022 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#define IPRT_NO_CRT_FOR_3RD_PARTY
#include "internal/nocrt.h"
#include <iprt/nocrt/math.h>
#undef fmax
double RT_NOCRT(fmax)(double rdLeft, double rdRight)
{
if (!isnan(rdLeft))
{
if (!isnan(rdRight))
{
/* We don't trust the hw with comparing signed zeros, thus
the 0.0 test and signbit fun here. */
if (rdLeft != rdRight || rdLeft != 0.0)
return rdLeft >= rdRight ? rdLeft : rdRight;
return signbit(rdLeft) <= signbit(rdRight) ? rdLeft : rdRight;
}
return rdLeft;
}
return rdRight;
}
RT_ALIAS_AND_EXPORT_NOCRT_SYMBOL(fmax);
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