Matrix.h

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#ifndef _MATRIX_H
#define _MATRIX_H

#include "defines.h"

namespace annie
{

class Matrix
{
private:
    int _m,_n;
    real **_M;

    void _allocateMatrix(int m, int n);
    void _freeMatrix();
public:
    Matrix(int m,int n);

    Matrix(Matrix &M);

    Matrix(Matrix *M);

    virtual ~Matrix();

    virtual void print();

    virtual real& elementAt(int i,int j);

    virtual Matrix *multiply(Matrix &other);

    virtual Matrix *multiply(Matrix *other);

    virtual void multiply(real f);

    virtual void swapRows(int i, int j);

    virtual Matrix *transpose();

    virtual Matrix *inverse();

    static Matrix *Identity(int n);

    friend std::ostream& operator << (std::ostream& s, Matrix &M);
};
}; //namespace annie
#endif // define _MATRIX_H

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