a_mat_sq.h

Go to the documentation of this file.

/*
         Copyright 2010-2017 Pierre SMARS (smars@yuntech.edu.tw)
         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, see <http://www.gnu.org/licenses/>.
         */
#ifndef _VE_MAT_SQ_H_
#define _VE_MAT_SQ_H_
 
// .NAME a_mat - a square matrix unit
// .PORTABILITY : ansi C++
// .SECTION Author
//  Pierre Smars
 
#include <valarray>
#include "a_mat.h"
 
class a_mat_sq : public a_mat
{
        public:
                a_mat_sq(UI  i, double v = 0) : a_mat(i,i,v) {}; //v : value 
                a_mat_sq(int i, double v = 0) : a_mat(i,i,v) {};
                a_mat_sq(const a_mat& m): a_mat(m) {};
                double determinant() const;
                double trace() const;
                inline UI dim() const {return maxi_;}
                void settoI();
                a_mat_sq& operator=(const a_mat_sq& m);
                a_mat_sq& operator=(const a_mat& m);
                ~a_mat_sq();
 
                inline a_mat& operator*=(double v) {return a_mat::operator*=(v);}
                a_mat_sq & operator*=(const a_mat_sq m);
        protected:
                void compatible(const a_mat& m) const;
};
 
#endif