qafMatrix.h

/* 
** Qaf Framework 1.2
** June 2006
** 
** Pedro Luchini de Moraes, Public Domain - Free Lunch Code
*/

#ifndef QAF_UTIL_MATRIX_H
#define QAF_UTIL_MATRIX_H

#include <stdexcept>

namespace qaf {
    
    template <typename T>
    class Matrix {
    public:
        const int rows, columns;
        
        
        Matrix ( int _rows, int _columns ) : rows(_rows), columns(_columns) {
            data = new T[rows * columns * sizeof(T)];
        }
        
        Matrix ( Matrix<T> & orig ) : rows(orig.rows), columns(orig.columns) {
            data = new T[rows * columns * sizeof(T)];
            
            for ( int i = 0; i < rows; i++ )
                for ( int j = 0; j < columns; j++ )
                    data[i * columns + j] = orig.data[i * columns + j];
        }
        
        inline T & cell ( int row, int column ) const {
            // Test index validity:
            if ( row < 0 || row >= rows || column < 0 || column >= columns )
                throw std::out_of_range("Matrix index out of range");
            
            return data[row * columns + column];
        }
        
        
        virtual ~Matrix () {
            delete[] data;
        }

    private:
        T * data;
    };

}



#endif

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