VirtualBox

source: vbox/trunk/src/VBox/Runtime/common/math/copysignl.cpp@ 96282

Last change on this file since 96282 was 96101, checked in by vboxsync, 2 years ago

IPRT/nocrt: copysign, copysignf and copysignl. bugref:10261

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.1 KB
Line 
1/* $Id: copysignl.cpp 96101 2022-08-07 21:46:07Z vboxsync $ */
2/** @file
3 * IPRT - No-CRT - copysignl().
4 */
5
6/*
7 * Copyright (C) 2022 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * The contents of this file may alternatively be used under the terms
18 * of the Common Development and Distribution License Version 1.0
19 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20 * VirtualBox OSE distribution, in which case the provisions of the
21 * CDDL are applicable instead of those of the GPL.
22 *
23 * You may elect to license modified versions of this file under the
24 * terms and conditions of either the GPL or the CDDL or both.
25 */
26
27
28/*********************************************************************************************************************************
29* Header Files *
30*********************************************************************************************************************************/
31#define IPRT_NO_CRT_FOR_3RD_PARTY
32#include "internal/nocrt.h"
33#include <iprt/nocrt/math.h>
34#include <iprt/assertcompile.h>
35
36
37#undef copysignl
38long double RT_NOCRT(copysignl)(long double lrdMagnitude, long double lrdSign)
39{
40#ifdef RT_COMPILER_WITH_80BIT_LONG_DOUBLE
41 RTFLOAT80U2 uRet, uSign;
42 uSign.lrd = lrdSign;
43 uRet.lrd = lrdMagnitude;
44 uRet.s.fSign = uSign.s.fSign;
45 return uRet.lrd;
46#else
47 AssertCompile(sizeof(lrdMagnitude) == sizeof(RTFLOAT64U));
48 RTFLOAT64U uRet, uSign;
49 uSign.rd = lrdSign;
50 uRet.rd = lrdMagnitude;
51 uRet.s.fSign = uSign.s.fSign;
52 return uRet.rd;
53#endif
54}
55RT_ALIAS_AND_EXPORT_NOCRT_SYMBOL(copysignl);
56
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