VirtualBox

source: vbox/trunk/src/VBox/Runtime/common/math/__isfinitef.cpp@ 96206

Last change on this file since 96206 was 96093, checked in by vboxsync, 2 years ago

IPRT/nocrt: Math classification functions. bugref:10261

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 1.9 KB
Line 
1/* $Id: __isfinitef.cpp 96093 2022-08-07 13:22:43Z vboxsync $ */
2/** @file
3 * IPRT - No-CRT - __isfinitef().
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#include <iprt/assert.h>
36
37
38#undef __isfinitef
39int RT_NOCRT(__isfinitef)(float r32)
40{
41 AssertCompile(sizeof(r32) == sizeof(RTFLOAT32U));
42 RTFLOAT32U u;
43 u.r = r32;
44 return RTFLOAT32U_IS_ZERO(&u) || RTFLOAT32U_IS_NORMAL(&u) || RTFLOAT32U_IS_SUBNORMAL(&u);
45}
46RT_ALIAS_AND_EXPORT_NOCRT_SYMBOL_WITHOUT_UNDERSCORE(__isfinitef);
47
Note: See TracBrowser for help on using the repository browser.

© 2024 Oracle Support Privacy / Do Not Sell My Info Terms of Use Trademark Policy Automated Access Etiquette