/****************************************************************************
** Copyright (C) 2001-2016 Klaralvdalens Datakonsult AB.  All rights reserved.
**
** This file is part of the KD Chart library.
**
** Licensees holding valid commercial KD Chart licenses may use this file in
** accordance with the KD Chart Commercial License Agreement provided with
** the Software.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 and version 3 as published by the
** Free Software Foundation and appearing in the file LICENSE.GPL.txt included.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** Contact info@kdab.com if any conditions of this licensing are not
** clear to you.
**
**********************************************************************/

#ifndef KDAB_LIB_FAKES_H
#define KDAB_LIB_FAKES_H

#if defined Q_OS_DARWIN
/* On Mac OS X, ensure that <cmath> will define std::isnan */
#define _GLIBCPP_USE_C99 1
#endif

#include <cmath>

#ifdef Q_OS_SOLARIS
#include <sunmath.h>
#include <math.h>
#endif

#include <qglobal.h>

#include <limits>

#define NaN std::numeric_limits< qreal >::quiet_NaN()
#define signalingNaN std::numeric_limits< qreal >::signaling_NaN()

#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif

#define DEGTORAD(d) (d)*M_PI/180

// Smybian's math.h doesn't define a trunc function
#if defined(Q_OS_SYMBIAN) || defined(QT_SIMULATOR)
#define trunc(x) (qreal) ((int) (x + (x >= 0.0 ? -0.5 : 0.5)))
#endif

// We use our own ISNAN / ISINF in the code to detect
// that we defined them.
// reason: Windows / MacOS do not have isnan() / isinf()
#if defined (Q_OS_WIN)
#include <float.h>
#define ISNAN(x ) _isnan(x )
#define ISINF(x ) (!(_finite(x ) + _isnan(x ) ) )
#else
#define ISNAN(x) std::isnan(x)
#define ISINF(x) std::isinf(x)
#endif


// We wrap every for () by extra { } to work around
// the scope bug for loop counters in MS Visual C++ v6
#if defined(Q_CC_MSVC) && !defined(Q_CC_MSVC_NET)
/* This is done in Qt41 qglobal.h but not Qt42*/
#if QT_VERSION < 0x040200
#define for if (0) {} else for
#endif
#define KDAB_FOREACH( v, c ) if (0) {} else Q_FOREACH( v, c )
#else
#define KDAB_FOREACH( v, c ) Q_FOREACH( v, c )
#endif

#endif
