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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#include <math.h>
#include "qabstractfloat_p.h"
#include "qboolean_p.h"
#include "qbuiltintypes_p.h"
#include "qcommonvalues_p.h"
#include "qdecimal_p.h"
#include "qinteger_p.h"
#include "qschemanumeric_p.h"
/**
* @file
* @short Contains class Numeric. This file was originally called qnumeric.cpp,
* but was renamed to stay consistent with qschemanumeric_p.h
*/
QT_BEGIN_NAMESPACE
using namespace QPatternist;
AtomicValue::Ptr Numeric::fromLexical(const QString &number)
{
Q_ASSERT(!number.isEmpty());
Q_ASSERT_X(!number.contains(QLatin1Char('e')) &&
!number.contains(QLatin1Char('E')),
Q_FUNC_INFO, "Should not contain any e/E");
if(number.contains(QLatin1Char('.'))) /* an xs:decimal. */
return Decimal::fromLexical(number);
else /* It's an integer, of some sort. E.g, -3, -2, -1, 0, 1, 2, 3 */
return Integer::fromLexical(number);
}
xsDouble Numeric::roundFloat(const xsDouble val)
{
if(qIsInf(val) || AbstractFloat<true>::isEqual(val, 0.0))
return val;
else if(qIsNaN(val))
return val;
else
{
if(val >= -0.5 && val < 0)
return -0.0;
else
return ::floor(val + 0.5);
}
}
QT_END_NAMESPACE
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