PARP Research Group

Universidad de Murcia

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src/qvmath/qvcombinationiterator.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 QVCOMBINATIONITERATOR_H #define QVCOMBINATIONITERATOR_H #include <qvmath.h> #include <QVector> class QVCombinationIterator: public QVector<int> { private: int numElements; bool endCondition; public: QVCombinationIterator(): QVector<int>(1), numElements(1), endCondition(true) { } QVCombinationIterator(const QVCombinationIterator &combinationIterator): QVector<int>(combinationIterator), numElements(combinationIterator.numElements), endCondition(combinationIterator.endCondition) { } QVCombinationIterator(const int numElements, const int elementsXSet): QVector<int>(elementsXSet), numElements(numElements), endCondition(false) { Q_ASSERT(numElements > 0); Q_ASSERT(numElements >= elementsXSet); for (int i=0; i < elementsXSet; i++) operator[](i) = i; } virtual ~QVCombinationIterator() { } virtual bool increment(); // infix ++ operator QVCombinationIterator& operator++ () { increment(); return *this; } // postfix ++ operator void operator++ (int) { ++(*this); } double getSubsetNumber() const { return qvCombination(numElements, size()); } bool finished() const { return endCondition; } int firstIndex() const { return first(); } int lastIndex() const { return last(); } int getSetCardinallity() const { return numElements; } int getSubsetsSize() const { return size(); } }; std::ostream& operator << ( std::ostream &os, const QVCombinationIterator &combination); #endif

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