PARP Research Group

Universidad de Murcia

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src/qvmath/qvtensorindex.h Go to the documentation of this file. /* * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012. PARP Research Group. * <http://perception.inf.um.es> * University of Murcia, Spain. * * This file is part of the QVision library. * * QVision is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation, version 3 of the License. * * QVision is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with QVision. If not, see <http://www.gnu.org/licenses/>. */ #ifndef QVTENSORINDEX_H #define QVTENSORINDEX_H #include <QMap> #include <qvmath.h> #include <qvdefines.h> #ifndef DOXYGEN_IGNORE_THIS class QVTensorIndexRange; class QVTensorIndexValues: public QList<QVTensorIndexRange> { public: QVTensorIndexValues(): QList<QVTensorIndexRange>() {} const QVTensorIndexValues operator&(const QVTensorIndexRange &indexRange) const { QVTensorIndexValues result = *this; result.append(indexRange); return result; } QMap<int, QVector<int> > getIndexesValues() const; }; class QVTensorIndexRange { friend class QVTensorIndex; public: int id, rangeMin, rangeMax; QVTensorIndexRange(const QVTensorIndexRange &tensorIndexRange): id(tensorIndexRange.id), rangeMin(tensorIndexRange.rangeMin), rangeMax(tensorIndexRange.rangeMax) { } const QVTensorIndexValues operator&(const QVTensorIndexRange &indexRange) const { QVTensorIndexValues result; result.append(*this); result.append(indexRange); return result; } operator QVTensorIndexValues() const { QVTensorIndexValues result; result.append(*this); return result; } private: QVTensorIndexRange(const int id, const int rangeMin, const int rangeMax): id(id), rangeMin(rangeMin), rangeMax(rangeMax) { } }; // NOTA: identificador = -1, o 1 indica que el índice no existe, no concuerda con ningún otro. class QVTensorIndex; class QVTensorValence: public QList<QVTensorIndex> { public: QVTensorValence(): QList<QVTensorIndex>() {} const QVTensorValence operator*(const QVTensorIndex &index) const { QVTensorValence result = *this; result.append(index); return result; } const QVTensorValence operator&(const QVTensorIndex &index) const { QVTensorValence result = *this; result.append(index); return result; } const QVTensorValence operator+(const QVTensorValence &indexList) const { return *this + indexList; } QMap<int, QVector<int> > getIndexesPositions() const; }; #endif class QVTensorIndex { public: QVTensorIndex(const int dimension): dim(dimension), id(nextIndexId++) { } QVTensorIndex(const QVTensorIndex &tensorIndex): dim(tensorIndex.dim), id(tensorIndex.id) { } QVTensorIndex cov() const { return QVTensorIndex(*this, true); } QVTensorIndex covariant() const { return QVTensorIndex(*this, true); } QVTensorIndexRange range(const int min, const int max) const { return QVTensorIndexRange(ABS(id), min, max); } const QVTensorIndexRange operator[](const int value) const { return QVTensorIndexRange(ABS(id), value, value); } #ifndef DOXYGEN_IGNORE_THIS QVTensorIndex(): dim(0), id(1) { } QVTensorIndex(const int dimension, const int ident): dim(dimension), id(ident) { } QVTensorIndex(const QVTensorIndex &tensorIndex, bool variate): dim(tensorIndex.dim), id((variate?-1:1)*tensorIndex.id) { } int dim, id; const QVTensorValence operator*(const QVTensorIndex &index) const { QVTensorValence result; result.append(*this); result.append(index); return result; } bool operator==(const QVTensorIndex &/*index*/) const { return true; } operator QVTensorValence() const { QVTensorValence result; result.append(*this); return result; } const QVTensorValence operator*(const QVTensorValence &indexList) const { QVTensorValence result = *this; result << indexList; return result; } #endif private: static int nextIndexId; static QVTensorIndex anyIndex; }; #endif

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QVision framework. PARP research group. Copyright © 2007, 2008, 2009, 2010, 2011.