File indexing completed on 2024-04-28 03:40:44

 /*************************************************************************************
  *  Copyright (C) 2013 by Aleix Pol <aleixpol@kde.org>                               *
  *  Copyright (C) 2014 by Percy Camilo T. Aucahuasi <percy.camilo.ta@gmail.com>      *
  *                                                                                   *
  *  This program is free software; you can redistribute it and/or                    *
  *  modify it under the terms of the GNU General Public License                      *
  *  as published by the Free Software Foundation; either version 2                   *
  *  of the License, or (at your option) any later version.                           *
  *                                                                                   *
  *  This program 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 General Public License for more details.                                     *
  *                                                                                   *
  *  You should have received a copy of the GNU General Public License                *
  *  along with this program; if not, write to the Free Software                      *
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA   *
 *************************************************************************************/
 
 #ifndef MATRIX_H
 #define MATRIX_H
 
 #include "object.h"
 #include "vector.h"
 
 namespace Analitza {
 
 class Cn;
 
 class Vector;
 
 class ANALITZA_EXPORT MatrixRow : public Vector
 {
     public:
         explicit MatrixRow(int size=0);
         virtual QVariant accept(AbstractExpressionVisitor* e) const override;
         
         MatrixRow* copy() const override;
 };
 
 class ANALITZA_EXPORT Matrix : public Object
 {
     public:
         typedef QList<MatrixRow*>::iterator iterator;
         typedef QList<MatrixRow*>::const_iterator const_iterator;
         
         Matrix();
         /** Fills the matrix with a fixed numeric @p value, the matrix size will be @p m x @p n */
         Matrix(int m, int n, const Cn *value);
         ~Matrix() override;
         void appendBranch(MatrixRow* o);
         
         virtual Matrix* copy() const override;
         virtual bool matches(const Object* exp, QMap< QString, const Object* >* found) const override;
         virtual QVariant accept(AbstractExpressionVisitor* exp) const override;
         const_iterator constBegin() const { return m_rows.constBegin(); }
         const_iterator constEnd() const { return m_rows.constEnd(); }
         iterator begin() { return m_rows.begin(); }
         iterator end() { return m_rows.end(); }
         QList< MatrixRow* > rows() const { return m_rows; }
         bool operator==(const Matrix& m) const;
         int rowCount() const { return m_rows.size(); }
         Analitza::Matrix::iterator erase(const Analitza::Matrix::iterator& it) { return m_rows.erase(it); }
         Object* at(int i, int j) const;
         int columnCount() const;
         bool isSquare() const;
         virtual bool isZero() const override;
         bool hasOnlyNumbers() const { return m_rows.isEmpty()? false : m_hasOnlyNumbers; }
         bool isIdentity() const;
         bool isDiagonal() const;
         
     public:
         static Matrix* identity(int n);
         
     private:
         QList<MatrixRow*> m_rows;
         bool m_hasOnlyNumbers;
 };
 
 }
 
 #endif // MATRIX_H