VirtualBox

source: vbox/trunk/src/VBox/Runtime/common/math/consts.c@ 96098

Last change on this file since 96098 was 96098, checked in by vboxsync, 2 years ago

IPRT/nocrt: Math constants: HUGH_VAL*, NAN, INFINITY. bugref:10261

  • 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: consts.c 96098 2022-08-07 19:04:19Z vboxsync $ */
2/** @file
3 * IPRT - No-CRT - Math Constants.
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/*********************************************************************************************************************************
38* Global Variables *
39*********************************************************************************************************************************/
40#undef __infinity
41const union __infinity_un RT_NOCRT(__infinity) = { RTFLOAT64U_INIT_C(0, 0, RTFLOAT64U_EXP_MAX) };
42AssertCompile(sizeof(double) == sizeof(RTFLOAT64U));
43RT_ALIAS_AND_EXPORT_NOCRT_SYMBOL_WITHOUT_UNDERSCORE(__infinity);
44
45#undef __nanf
46const union __nanf_un RT_NOCRT(__nanf) = { RTFLOAT32U_INIT(0, RT_BIT_32(RTFLOAT32U_FRACTION_BITS - 1) | 1, RTFLOAT32U_EXP_MAX) };
47AssertCompile(sizeof(float) == sizeof(RTFLOAT32U));
48RT_ALIAS_AND_EXPORT_NOCRT_SYMBOL_WITHOUT_UNDERSCORE(__nanf);
49
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