81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
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/****************************************************************************
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** Copyright (C) 2001-2011 Klaralvdalens Datakonsult AB. All rights reserved.
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**
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** This file is part of the KD Chart library.
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**
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** Licensees holding valid commercial KD Chart licenses may use this file in
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** accordance with the KD Chart Commercial License Agreement provided with
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** the Software.
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**
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 and version 3 as published by the
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** Free Software Foundation and appearing in the file LICENSE.GPL.txt included.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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** Contact info@kdab.com if any conditions of this licensing are not
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** clear to you.
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**
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**********************************************************************/
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#ifndef KDAB_LIB_FAKES_H
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#define KDAB_LIB_FAKES_H
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#if defined Q_OS_DARWIN
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/* On Mac OS X, ensure that <cmath> will define std::isnan */
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#define _GLIBCPP_USE_C99 1
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#endif
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#include <cmath>
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#ifdef Q_OS_SOLARIS
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#include <sunmath.h>
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#include <math.h>
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#endif
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#include <qglobal.h>
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#endif
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#define DEGTORAD(d) (d)*M_PI/180
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// Smybian's math.h doesn't define a trunc function
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#if defined(Q_OS_SYMBIAN) || defined(QT_SIMULATOR)
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#define trunc(x) (double) ((int) (x + (x >= 0.0 ? -0.5 : 0.5)))
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#endif
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// We use our own ISNAN / ISINF in the code to detect
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// that we defined them.
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// reason: Windows / MacOS do not have isnan() / isinf()
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#if defined (Q_OS_WIN) && defined(_MSC_VER)
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#include <float.h>
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#define ISNAN(x ) _isnan(x )
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#define ISINF(x ) (!(_finite(x ) + _isnan(x ) ) )
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#elif defined (Q_OS_DARWIN) || defined (Q_OS_CYGWIN)
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#define ISNAN(x) std::isnan(x)
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#define ISINF(x) std::isinf(x)
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#else
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#define ISNAN(x) isnan(x)
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#define ISINF(x) isinf(x)
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#endif
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// We wrap every for() by extra { } to work around
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// the scope bug for loop counters in MS Visual C++ v6
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#if defined(Q_CC_MSVC) && !defined(Q_CC_MSVC_NET)
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/* This is done in Qt41 qglobal.h but not Qt42*/
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#if QT_VERSION < 0x040200
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#define for if (0) {} else for
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#endif
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#define KDAB_FOREACH( v, c ) if (0) {} else Q_FOREACH( v, c )
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#else
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#define KDAB_FOREACH( v, c ) Q_FOREACH( v, c )
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#endif
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#endif
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