VirtualBox

source: vbox/trunk/src/VBox/Runtime/common/math/fmaxl.cpp@ 96407

Last change on this file since 96407 was 96407, checked in by vboxsync, 2 years ago

scm copyright and license note update

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.4 KB
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1/* $Id: fmaxl.cpp 96407 2022-08-22 17:43:14Z vboxsync $ */
2/** @file
3 * IPRT - No-CRT - fmaxl().
4 */
5
6/*
7 * Copyright (C) 2022 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * The contents of this file may alternatively be used under the terms
26 * of the Common Development and Distribution License Version 1.0
27 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
28 * in the VirtualBox distribution, in which case the provisions of the
29 * CDDL are applicable instead of those of the GPL.
30 *
31 * You may elect to license modified versions of this file under the
32 * terms and conditions of either the GPL or the CDDL or both.
33 *
34 * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
35 */
36
37
38/*********************************************************************************************************************************
39* Header Files *
40*********************************************************************************************************************************/
41#define IPRT_NO_CRT_FOR_3RD_PARTY
42#include "internal/nocrt.h"
43#include <iprt/nocrt/math.h>
44
45
46#undef fmaxl
47long double RT_NOCRT(fmaxl)(long double lrdLeft, long double lrdRight)
48{
49 if (!isnan(lrdLeft))
50 {
51 if (!isnan(lrdRight))
52 {
53 /* We don't trust the hw with comparing signed zeros, thus
54 the 0.0 test and signbit fun here. */
55 if (lrdLeft != lrdRight || lrdLeft != 0.0)
56 return lrdLeft >= lrdRight ? lrdLeft : lrdRight;
57 return signbit(lrdLeft) <= signbit(lrdRight) ? lrdLeft : lrdRight;
58 }
59 return lrdLeft;
60 }
61 return lrdRight;
62}
63RT_ALIAS_AND_EXPORT_NOCRT_SYMBOL(fmaxl);
64
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