summaryrefslogtreecommitdiff
path: root/src/xmlpatterns/data/qschemanumeric.cpp
blob: 7db54612b0fe0d874f69aef90e2a06a467b9f7d7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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 1.1, 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#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 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