Class Circle-Header circle.h

#ifndef __CIRCLE_H__
#define __CIRCLE_H__
#include "point.h"

class Circle : public Point
{
private:
  int radius;
public:
  Circle(const int x=0, const int y=0, const int r=0);
  Circle(const Point&, const int);
  Circle(const Circle&);
  ~Circle();
  
  int getRadius();
  float area();
  float perimeter();
  int intersects(Circle&);
  
  static int number;
  friend ostream& operator <<(ostream&, Circle&);
};
#endif