PARP Research Group

Universidad de Murcia

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src/qvmath/qvvector.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 QVVECTOR_H #define QVVECTOR_H #include <math.h> #include <iostream> #include <QVector> #include <QPointF> #include <qvdefines.h> #ifdef GSL_AVAILABLE #include <gsl/gsl_linalg.h> #endif #ifdef _MSC_VER #ifdef max #undef max #endif // max #ifdef min #undef min #endif // min #endif // _MSC_VER class QVMatrix; class QVVector: public QVector<double> { public: QVVector(): QVector<double>() {} QVVector(const int size, const double defaultValue = 0): QVector<double>(size, defaultValue) {} QVVector(const int size, const double *defaultValues): QVector<double>(size) { for (int i = 0; i < size; i++) operator[](i) = defaultValues[i]; } QVVector(const QVVector &vector): QVector<double>(vector) {} QVVector(const QVector<double> &vector): QVector<double>(vector) {} QVVector(const QList<double> &list): QVector<double>(list.toVector()) {} QVVector(const QVMatrix &matrix); #ifdef GSL_AVAILABLE QVVector(const gsl_vector *vector): QVector<double>(vector->size) { for(int i = 0; i < size(); i++) replace(i, gsl_vector_get(vector, i)); } #endif QVVector(const QPoint &point): QVector<double>(2) { operator[](0) = point.x(); operator[](1) = point.y(); } QVVector(const QPointF &point): QVector<double>(2) { operator[](0) = point.x(); operator[](1) = point.y(); } inline double &operator()(const int index) { return operator[](index); } inline double operator()(const int index) const { return operator[](index); } double operator*(const QVVector &vector) const { return dotProduct(vector); }; QVVector operator^(const QVVector &vector) const { return crossProduct(vector); }; QVVector operator+(const QVVector &vector) const { return add(vector); }; QVVector operator-(const QVVector &vector) const { return substract(vector); }; QVVector operator-() const { return operator*(-1.0); }; QVVector operator+(const double value) const { return scalarAdd(value); }; QVVector operator-(const double value) const { return scalarSubstract(value); }; QVVector operator*(const double value) const { return scalarProduct(value); }; QVVector operator/(const double value) const { return scalarDivision(value); }; QVVector operator*(const QVMatrix &matrix) const; bool operator==(const QVVector &vector) const { return equals(vector); }; QVVector & operator+=(const QVVector &vector) { const int size_ = size(); const double *srcData = vector.constData(); double *dstData = data(); for (int i = 0; i < size_; i++) dstData[i] += srcData[i]; return *this; } operator QPointF() const { Q_ASSERT(size() > 1); Q_ASSERT(size() < 4); if (size() == 2) return QPointF(operator[](0), operator[](1)); else return QPointF(operator[](0)/operator[](2), operator[](1)/operator[](2)); } #ifdef GSL_AVAILABLE operator gsl_vector * () const { gsl_vector *result = gsl_vector_alloc(size()); const double *data = this->data(); for(uint i = 0; i < result->size; i++) gsl_vector_set (result, i, data[i]); return result; } #endif int maxIndex() const; int minIndex() const; int maxAbsIndex() const; int minAbsIndex() const; void set(const double value); QVVector subVector(const int firstIndex, const int lastIndex) const; QVVector scalarDivision(const double value) const; QVVector scalarAdd(const double value) const; QVVector scalarSubstract(const double value) const; QVVector scalarMultiplication(const double value) const; QVVector scalarProduct(const double value) const; double norm2() const; //{ return sqrt(*this * *this); } bool containsNaN() const; QVVector normalize() const; //{ return operator/(norm2()); } QVVector abs() const; double max() const; double min() const; double sum() const; double mean() const; double median() const; double variance() const; double entropy(const double base = 2) const; double dotProduct(const QVVector &vector) const; QVVector crossProduct(const QVVector &vector) const; QVMatrix outerProduct(const QVVector &vector) const; QVVector add(const QVVector &vector) const; QVVector substract(const QVVector &vector) const; bool equals(const QVVector &vector) const; static const QVVector gaussianVector(const int radius, const double sigma); static QVVector random(const int elements); static const QVVector mexicanHatWaveletVector(const int radius, const double sigma); static const QVVector homogeneousCoordinates(const QPointF &point); QVVector homogeneousCoordinates() const; QVMatrix crossProductMatrix() const; QVMatrix toRowMatrix() const; QVMatrix toColumnMatrix() const; }; QVVector operator*(const double value, const QVVector &); QVVector operator+(const double value, const QVVector &); QVVector operator-(const double value, const QVVector &); std::ostream& operator << ( std::ostream &os, const QVVector &vector ); uint qHash(const QVVector &vector); #endif

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