| 1 | /**************************************************************************** | 
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| 2 | ** | 
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| 3 | ** Copyright (C) 2016 The Qt Company Ltd. | 
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| 4 | ** Contact: https://www.qt.io/licensing/ | 
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| 5 | ** | 
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| 6 | ** This file is part of the QtGui module of the Qt Toolkit. | 
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| 7 | ** | 
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| 8 | ** $QT_BEGIN_LICENSE:LGPL$ | 
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| 9 | ** Commercial License Usage | 
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| 10 | ** Licensees holding valid commercial Qt licenses may use this file in | 
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| 11 | ** accordance with the commercial license agreement provided with the | 
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| 12 | ** Software or, alternatively, in accordance with the terms contained in | 
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| 13 | ** a written agreement between you and The Qt Company. For licensing terms | 
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| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further | 
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| 15 | ** information use the contact form at https://www.qt.io/contact-us. | 
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| 16 | ** | 
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| 17 | ** GNU Lesser General Public License Usage | 
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| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser | 
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| 19 | ** General Public License version 3 as published by the Free Software | 
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| 20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the | 
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| 21 | ** packaging of this file. Please review the following information to | 
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| 22 | ** ensure the GNU Lesser General Public License version 3 requirements | 
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| 23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. | 
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| 24 | ** | 
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| 25 | ** GNU General Public License Usage | 
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| 26 | ** Alternatively, this file may be used under the terms of the GNU | 
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| 27 | ** General Public License version 2.0 or (at your option) the GNU General | 
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| 28 | ** Public license version 3 or any later version approved by the KDE Free | 
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| 29 | ** Qt Foundation. The licenses are as published by the Free Software | 
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| 30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 | 
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| 31 | ** included in the packaging of this file. Please review the following | 
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| 32 | ** information to ensure the GNU General Public License requirements will | 
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| 33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and | 
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| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. | 
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| 35 | ** | 
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| 36 | ** $QT_END_LICENSE$ | 
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| 37 | ** | 
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| 38 | ****************************************************************************/ | 
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| 39 |  | 
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| 40 | #include "qgenericmatrix.h" | 
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| 41 |  | 
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| 42 | QT_BEGIN_NAMESPACE | 
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| 43 |  | 
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| 44 | /*! | 
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| 45 | \class QGenericMatrix | 
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| 46 | \brief The QGenericMatrix class is a template class that represents a NxM transformation matrix with N columns and M rows. | 
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| 47 | \since 4.6 | 
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| 48 | \ingroup painting | 
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| 49 | \ingroup painting-3D | 
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| 50 | \inmodule QtGui | 
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| 51 |  | 
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| 52 | The QGenericMatrix template has three parameters: | 
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| 53 |  | 
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| 54 | \table | 
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| 55 | \row \li N \li Number of columns. | 
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| 56 | \row \li M \li Number of rows. | 
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| 57 | \row \li T \li Element type that is visible to users of the class. | 
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| 58 | \endtable | 
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| 59 |  | 
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| 60 | \sa QMatrix4x4 | 
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| 61 | */ | 
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| 62 |  | 
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| 63 | /*! | 
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| 64 | \fn template <int N, int M, typename T> QGenericMatrix<N, M, T>::QGenericMatrix() | 
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| 65 |  | 
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| 66 | Constructs a NxM identity matrix. | 
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| 67 | */ | 
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| 68 |  | 
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| 69 | /*! | 
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| 70 | \fn template <int N, int M, typename T> QGenericMatrix<N, M, T>::QGenericMatrix(Qt::Initialization) | 
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| 71 | \since 5.5 | 
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| 72 | \internal | 
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| 73 |  | 
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| 74 | Constructs a NxM matrix without initializing the contents. | 
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| 75 | */ | 
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| 76 |  | 
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| 77 | /*! | 
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| 78 | \fn template <int N, int M, typename T> QGenericMatrix<N, M, T>::QGenericMatrix(const T *values) | 
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| 79 |  | 
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| 80 | Constructs a matrix from the given N * M floating-point \a values. | 
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| 81 | The contents of the array \a values is assumed to be in | 
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| 82 | row-major order. | 
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| 83 |  | 
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| 84 | \sa copyDataTo() | 
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| 85 | */ | 
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| 86 |  | 
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| 87 | /*! | 
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| 88 | \fn template <int N, int M, typename T> const T& QGenericMatrix<N, M, T>::operator()(int row, int column) const | 
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| 89 |  | 
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| 90 | Returns a constant reference to the element at position | 
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| 91 | (\a row, \a column) in this matrix. | 
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| 92 | */ | 
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| 93 |  | 
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| 94 | /*! | 
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| 95 | \fn template <int N, int M, typename T> T& QGenericMatrix<N, M, T>::operator()(int row, int column) | 
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| 96 |  | 
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| 97 | Returns a reference to the element at position (\a row, \a column) | 
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| 98 | in this matrix so that the element can be assigned to. | 
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| 99 | */ | 
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| 100 |  | 
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| 101 | /*! | 
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| 102 | \fn template <int N, int M, typename T> bool QGenericMatrix<N, M, T>::isIdentity() const | 
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| 103 |  | 
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| 104 | Returns \c true if this matrix is the identity; false otherwise. | 
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| 105 |  | 
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| 106 | \sa setToIdentity() | 
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| 107 | */ | 
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| 108 |  | 
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| 109 | /*! | 
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| 110 | \fn template <int N, int M, typename T> void QGenericMatrix<N, M, T>::setToIdentity() | 
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| 111 |  | 
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| 112 | Sets this matrix to the identity. | 
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| 113 |  | 
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| 114 | \sa isIdentity() | 
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| 115 | */ | 
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| 116 |  | 
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| 117 | /*! | 
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| 118 | \fn template <int N, int M, typename T> void QGenericMatrix<N, M, T>::fill(T value) | 
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| 119 |  | 
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| 120 | Fills all elements of this matrix with \a value. | 
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| 121 | */ | 
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| 122 |  | 
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| 123 | /*! | 
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| 124 | \fn template <int N, int M, typename T> QGenericMatrix<M, N> QGenericMatrix<N, M, T>::transposed() const | 
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| 125 |  | 
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| 126 | Returns this matrix, transposed about its diagonal. | 
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| 127 | */ | 
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| 128 |  | 
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| 129 | /*! | 
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| 130 | \fn template <int N, int M, typename T> QGenericMatrix<N, M, T>& QGenericMatrix<N, M, T>::operator+=(const QGenericMatrix<N, M, T>& other) | 
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| 131 |  | 
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| 132 | Adds the contents of \a other to this matrix. | 
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| 133 | */ | 
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| 134 |  | 
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| 135 | /*! | 
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| 136 | \fn template <int N, int M, typename T> QGenericMatrix<N, M, T>& QGenericMatrix<N, M, T>::operator-=(const QGenericMatrix<N, M, T>& other) | 
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| 137 |  | 
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| 138 | Subtracts the contents of \a other from this matrix. | 
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| 139 | */ | 
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| 140 |  | 
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| 141 | /*! | 
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| 142 | \fn template <int N, int M, typename T> QGenericMatrix<N, M, T>& QGenericMatrix<N, M, T>::operator*=(T factor) | 
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| 143 |  | 
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| 144 | Multiplies all elements of this matrix by \a factor. | 
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| 145 | */ | 
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| 146 |  | 
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| 147 | /*! | 
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| 148 | \fn template <int N, int M, typename T> QGenericMatrix<N, M, T>& QGenericMatrix<N, M, T>::operator/=(T divisor) | 
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| 149 |  | 
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| 150 | Divides all elements of this matrix by \a divisor. | 
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| 151 | */ | 
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| 152 |  | 
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| 153 | /*! | 
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| 154 | \fn template <int N, int M, typename T> bool QGenericMatrix<N, M, T>::operator==(const QGenericMatrix<N, M, T>& other) const | 
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| 155 |  | 
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| 156 | Returns \c true if this matrix is identical to \a other; false otherwise. | 
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| 157 | */ | 
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| 158 |  | 
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| 159 | /*! | 
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| 160 | \fn template <int N, int M, typename T> bool QGenericMatrix<N, M, T>::operator!=(const QGenericMatrix<N, M, T>& other) const | 
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| 161 |  | 
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| 162 | Returns \c true if this matrix is not identical to \a other; false otherwise. | 
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| 163 | */ | 
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| 164 |  | 
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| 165 | /*! | 
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| 166 | \fn template <int N, int M, typename T> QGenericMatrix<N, M, T> operator+(const QGenericMatrix<N, M, T>& m1, const QGenericMatrix<N, M, T>& m2) | 
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| 167 | \relates QGenericMatrix | 
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| 168 |  | 
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| 169 | Returns the sum of \a m1 and \a m2. | 
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| 170 | */ | 
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| 171 |  | 
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| 172 | /*! | 
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| 173 | \fn template <int N, int M, typename T> QGenericMatrix<N, M, T> operator-(const QGenericMatrix<N, M, T>& m1, const QGenericMatrix<N, M, T>& m2) | 
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| 174 | \relates QGenericMatrix | 
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| 175 |  | 
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| 176 | Returns the difference of \a m1 and \a m2. | 
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| 177 | */ | 
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| 178 |  | 
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| 179 | /*! | 
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| 180 | \fn template<int NN, int M1, int M2, typename TT> QGenericMatrix<M1, M2, TT> operator*(const QGenericMatrix<NN, M2, TT>& m1, const QGenericMatrix<M1, NN, TT>& m2) | 
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| 181 | \relates QGenericMatrix | 
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| 182 |  | 
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| 183 | Returns the product of the NNxM2 matrix \a m1 and the M1xNN matrix \a m2 | 
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| 184 | to produce a M1xM2 matrix result. | 
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| 185 | */ | 
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| 186 |  | 
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| 187 | /*! | 
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| 188 | \fn template <int N, int M, typename T> QGenericMatrix<N, M, T> operator-(const QGenericMatrix<N, M, T>& matrix) | 
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| 189 | \overload | 
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| 190 | \relates QGenericMatrix | 
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| 191 |  | 
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| 192 | Returns the negation of \a matrix. | 
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| 193 | */ | 
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| 194 |  | 
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| 195 | /*! | 
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| 196 | \fn template <int N, int M, typename T> QGenericMatrix<N, M, T> operator*(T factor, const QGenericMatrix<N, M, T>& matrix) | 
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| 197 | \relates QGenericMatrix | 
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| 198 |  | 
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| 199 | Returns the result of multiplying all elements of \a matrix by \a factor. | 
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| 200 | */ | 
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| 201 |  | 
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| 202 | /*! | 
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| 203 | \fn template <int N, int M, typename T> QGenericMatrix<N, M, T> operator*(const QGenericMatrix<N, M, T>& matrix, T factor) | 
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| 204 | \relates QGenericMatrix | 
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| 205 |  | 
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| 206 | Returns the result of multiplying all elements of \a matrix by \a factor. | 
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| 207 | */ | 
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| 208 |  | 
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| 209 | /*! | 
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| 210 | \fn template <int N, int M, typename T> QGenericMatrix<N, M, T> operator/(const QGenericMatrix<N, M, T>& matrix, T divisor) | 
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| 211 | \relates QGenericMatrix | 
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| 212 |  | 
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| 213 | Returns the result of dividing all elements of \a matrix by \a divisor. | 
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| 214 | */ | 
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| 215 |  | 
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| 216 | /*! | 
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| 217 | \fn template <int N, int M, typename T> void QGenericMatrix<N, M, T>::copyDataTo(T *values) const | 
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| 218 |  | 
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| 219 | Retrieves the N * M items in this matrix and copies them to \a values | 
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| 220 | in row-major order. | 
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| 221 | */ | 
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| 222 |  | 
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| 223 | /*! | 
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| 224 | \fn template <int N, int M, typename T> T *QGenericMatrix<N, M, T>::data() | 
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| 225 |  | 
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| 226 | Returns a pointer to the raw data of this matrix. | 
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| 227 |  | 
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| 228 | \sa constData() | 
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| 229 | */ | 
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| 230 |  | 
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| 231 | /*! | 
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| 232 | \fn template <int N, int M, typename T> const T *QGenericMatrix<N, M, T>::data() const | 
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| 233 |  | 
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| 234 | Returns a constant pointer to the raw data of this matrix. | 
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| 235 |  | 
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| 236 | \sa constData() | 
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| 237 | */ | 
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| 238 |  | 
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| 239 | /*! | 
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| 240 | \fn template <int N, int M, typename T> const T *QGenericMatrix<N, M, T>::constData() const | 
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| 241 |  | 
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| 242 | Returns a constant pointer to the raw data of this matrix. | 
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| 243 |  | 
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| 244 | \sa data() | 
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| 245 | */ | 
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| 246 |  | 
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| 247 | #ifndef QT_NO_DATASTREAM | 
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| 248 |  | 
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| 249 | /*! | 
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| 250 | \fn template <int N, int M, typename T> QDataStream &operator<<(QDataStream &stream, const QGenericMatrix<N, M, T> &matrix) | 
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| 251 | \relates QGenericMatrix | 
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| 252 |  | 
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| 253 | Writes the given \a matrix to the given \a stream and returns a | 
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| 254 | reference to the stream. | 
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| 255 |  | 
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| 256 | \sa {Serializing Qt Data Types} | 
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| 257 | */ | 
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| 258 |  | 
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| 259 | /*! | 
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| 260 | \fn template <int N, int M, typename T> QDataStream &operator>>(QDataStream &stream, QGenericMatrix<N, M, T> &matrix) | 
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| 261 | \relates QGenericMatrix | 
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| 262 |  | 
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| 263 | Reads a NxM matrix from the given \a stream into the given \a matrix | 
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| 264 | and returns a reference to the stream. | 
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| 265 |  | 
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| 266 | \sa {Serializing Qt Data Types} | 
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| 267 | */ | 
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| 268 |  | 
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| 269 | #endif | 
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| 270 |  | 
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| 271 | /*! | 
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| 272 | \typedef QMatrix2x2 | 
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| 273 | \relates QGenericMatrix | 
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| 274 |  | 
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| 275 | The QMatrix2x2 type defines a convenient instantiation of the | 
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| 276 | QGenericMatrix template for 2 columns, 2 rows, and float as | 
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| 277 | the element type. | 
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| 278 | */ | 
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| 279 |  | 
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| 280 | /*! | 
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| 281 | \typedef QMatrix2x3 | 
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| 282 | \relates QGenericMatrix | 
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| 283 |  | 
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| 284 | The QMatrix2x3 type defines a convenient instantiation of the | 
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| 285 | QGenericMatrix template for 2 columns, 3 rows, and float as | 
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| 286 | the element type. | 
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| 287 | */ | 
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| 288 |  | 
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| 289 | /*! | 
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| 290 | \typedef QMatrix2x4 | 
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| 291 | \relates QGenericMatrix | 
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| 292 |  | 
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| 293 | The QMatrix2x4 type defines a convenient instantiation of the | 
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| 294 | QGenericMatrix template for 2 columns, 4 rows, and float as | 
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| 295 | the element type. | 
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| 296 | */ | 
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| 297 |  | 
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| 298 | /*! | 
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| 299 | \typedef QMatrix3x2 | 
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| 300 | \relates QGenericMatrix | 
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| 301 |  | 
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| 302 | The QMatrix3x2 type defines a convenient instantiation of the | 
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| 303 | QGenericMatrix template for 3 columns, 2 rows, and float as | 
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| 304 | the element type. | 
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| 305 | */ | 
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| 306 |  | 
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| 307 | /*! | 
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| 308 | \typedef QMatrix3x3 | 
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| 309 | \relates QGenericMatrix | 
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| 310 |  | 
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| 311 | The QMatrix3x3 type defines a convenient instantiation of the | 
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| 312 | QGenericMatrix template for 3 columns, 3 rows, and float as | 
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| 313 | the element type. | 
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| 314 | */ | 
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| 315 |  | 
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| 316 | /*! | 
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| 317 | \typedef QMatrix3x4 | 
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| 318 | \relates QGenericMatrix | 
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| 319 |  | 
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| 320 | The QMatrix3x4 type defines a convenient instantiation of the | 
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| 321 | QGenericMatrix template for 3 columns, 4 rows, and float as | 
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| 322 | the element type. | 
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| 323 | */ | 
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| 324 |  | 
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| 325 | /*! | 
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| 326 | \typedef QMatrix4x2 | 
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| 327 | \relates QGenericMatrix | 
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| 328 |  | 
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| 329 | The QMatrix4x2 type defines a convenient instantiation of the | 
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| 330 | QGenericMatrix template for 4 columns, 2 rows, and float as | 
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| 331 | the element type. | 
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| 332 | */ | 
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| 333 |  | 
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| 334 | /*! | 
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| 335 | \typedef QMatrix4x3 | 
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| 336 | \relates QGenericMatrix | 
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| 337 |  | 
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| 338 | The QMatrix4x3 type defines a convenient instantiation of the | 
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| 339 | QGenericMatrix template for 4 columns, 3 rows, and float as | 
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| 340 | the element type. | 
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| 341 | */ | 
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| 342 |  | 
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| 343 | QT_END_NAMESPACE | 
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| 344 |  | 
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