a_mat_r.h

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/*
Copyright 2010-2011 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_R_H_
#define _VE_MAT_R_H_
 
// .NAME a_mat - a row matrix unit
// .PORTABILITY : ansi C++
// .SECTION Author
//  Pierre Smars
 
#include <valarray>
#include "a_mat.h"
 
class a_mat_r : public a_mat
{
public:
        a_mat_r(UI  i, double v = 0) : a_mat(UI(1),i,v) {} //v : value 
        a_mat_r(int i, double v = 0) : a_mat(int(1),i,v) {}
        a_mat_r& operator=(const a_mat& m);
        inline double& operator()(const UI i)       {return (*x_)[i];}
        inline double  operator()(const UI i) const {return (*x_)[i];}
        double sumsq() const;
        double norm() const;
        void normalise();
        void teller();
};
 
a_mat_r cross(a_mat_r &, a_mat_r &);  // cross product (works only with maxi_=3)
 
#endif