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Program 1

#ifndef POINT_H
#define POINT_H

#include "tripple.h"

class Tripple;

class Point {
    private: 
        double x, y;

    public:
        Point();                     
        Point(double d);             
        Point(double d, double e);   
        Point(Point& p);             
        Point(Tripple t);

        operator double() const;     

        double getx () const;
        double gety () const;

        friend std::ostream& operator<<(std::ostream&, const Point&);
};

std::ostream& operator<<(std::ostream&, const Point&);

#endif // POINT_H