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Vector2.h

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#ifndef _VECTOR2_H_
#define _VECTOR2_H_

#include <iostream>
using namespace std;

class Vector2
{
 public:
  Vector2();
  Vector2(double u, double v);
  Vector2(double *points);
  virtual ~Vector2();

  // overloaded operators
  Vector2 operator+(Vector2 v1);
  Vector2 operator-(Vector2 v1);
  Vector2 operator*(double num);
  Vector2 operator/(double num);

  // Overloaded print
  friend ostream &operator<<(ostream &out, Vector2 &a);
  
  // setter functions
  void set(double u, double v);
  void set(double *points);
  void setU(double u) { _points[0] = u; }
  void setV(double v) { _points[1] = v; }

  // getter functions
  double *getVector() { return _points; }
  double getU() { return _points[0]; }
  double getV() { return _points[1]; }

 protected:
  double _points[2];
};

#endif

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