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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the QtXmlPatterns module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #include <math.h> |
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43 |
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44 #include "qabstractfloat_p.h" |
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45 #include "qboolean_p.h" |
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46 #include "qbuiltintypes_p.h" |
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47 #include "qcommonvalues_p.h" |
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48 #include "qdecimal_p.h" |
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49 #include "qinteger_p.h" |
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50 |
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51 #include "qschemanumeric_p.h" |
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52 |
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53 /** |
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54 * @file Contains class Numeric. This file was originally called qnumeric.cpp, |
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55 * but was renamed to stay consistent with qschemanumeric_p.h |
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56 */ |
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57 |
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58 QT_BEGIN_NAMESPACE |
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59 |
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60 using namespace QPatternist; |
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61 |
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62 AtomicValue::Ptr Numeric::fromLexical(const QString &number) |
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63 { |
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64 Q_ASSERT(!number.isEmpty()); |
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65 Q_ASSERT_X(!number.contains(QLatin1Char('e')) && |
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66 !number.contains(QLatin1Char('E')), |
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67 Q_FUNC_INFO, "Should not contain any e/E"); |
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68 |
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69 if(number.contains(QLatin1Char('.'))) /* an xs:decimal. */ |
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70 return Decimal::fromLexical(number); |
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71 else /* It's an integer, of some sort. E.g, -3, -2, -1, 0, 1, 2, 3 */ |
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72 return Integer::fromLexical(number); |
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73 } |
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74 |
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75 xsDouble Numeric::roundFloat(const xsDouble val) |
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76 { |
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77 if(qIsInf(val) || AbstractFloat<true>::isEqual(val, 0.0)) |
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78 return val; |
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79 else if(qIsNaN(val)) |
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80 return val; |
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81 else |
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82 { |
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83 if(val >= -0.5 && val < 0) |
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84 return -0.0; |
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85 else |
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86 return ::floor(val + 0.5); |
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87 |
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88 } |
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89 } |
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90 |
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91 QT_END_NAMESPACE |