1 /****************************************************************************
3 ** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/legal
6 ** This file is part of the QtXmlPatterns module of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** Commercial License Usage
10 ** Licensees holding valid commercial Qt licenses may use this file in
11 ** accordance with the commercial license agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia. For licensing terms and
14 ** conditions see http://qt.digia.com/licensing. For further information
15 ** use the contact form at http://qt.digia.com/contact-us.
17 ** GNU Lesser General Public License Usage
18 ** Alternatively, this file may be used under the terms of the GNU Lesser
19 ** General Public License version 2.1 as published by the Free Software
20 ** Foundation and appearing in the file LICENSE.LGPL included in the
21 ** packaging of this file. Please review the following information to
22 ** ensure the GNU Lesser General Public License version 2.1 requirements
23 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
25 ** In addition, as a special exception, Digia gives you certain additional
26 ** rights. These rights are described in the Digia Qt LGPL Exception
27 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
29 ** GNU General Public License Usage
30 ** Alternatively, this file may be used under the terms of the GNU
31 ** General Public License version 3.0 as published by the Free Software
32 ** Foundation and appearing in the file LICENSE.GPL included in the
33 ** packaging of this file. Please review the following information to
34 ** ensure the GNU General Public License version 3.0 requirements will be
35 ** met: http://www.gnu.org/copyleft/gpl.html.
40 ****************************************************************************/
44 #include "qabstractfloat_p.h"
45 #include "qboolean_p.h"
46 #include "qbuiltintypes_p.h"
47 #include "qcommonvalues_p.h"
48 #include "qdecimal_p.h"
49 #include "qinteger_p.h"
51 #include "qschemanumeric_p.h"
54 * @file Contains class Numeric. This file was originally called qnumeric.cpp,
55 * but was renamed to stay consistent with qschemanumeric_p.h
60 using namespace QPatternist;
62 AtomicValue::Ptr Numeric::fromLexical(const QString &number)
64 Q_ASSERT(!number.isEmpty());
65 Q_ASSERT_X(!number.contains(QLatin1Char('e')) &&
66 !number.contains(QLatin1Char('E')),
67 Q_FUNC_INFO, "Should not contain any e/E");
69 if(number.contains(QLatin1Char('.'))) /* an xs:decimal. */
70 return Decimal::fromLexical(number);
71 else /* It's an integer, of some sort. E.g, -3, -2, -1, 0, 1, 2, 3 */
72 return Integer::fromLexical(number);
75 xsDouble Numeric::roundFloat(const xsDouble val)
77 if(qIsInf(val) || AbstractFloat<true>::isEqual(val, 0.0))
83 if(val >= -0.5 && val < 0)
86 return ::floor(val + 0.5);