#pragma once

#include "Point3D.h"

class Vector3D {
  public:
    Vector3D();
    Vector3D(Point3D&, Point3D&);
    Vector3D(Point3D&);
    Vector3D(double, double, double);
    ~Vector3D();
    Point3D& getA();
    Point3D& getB();
    void setA(const Point3D&);
    void setB(const Point3D&);
    void print();
    friend Vector3D operator+(const Vector3D & lhs, const Vector3D & rhs);
    friend Vector3D operator-(const Vector3D & lhs, const Vector3D & rhs);
    Vector3D& operator+=(const Vector3D & rhs);
    Vector3D& operator-=(const Vector3D & rhs);
    friend std::ostream& operator<<(std::ostream & stream, const Vector3D & rhs);
    double length();
    double inner(const Vector3D &);
  private:
    Point3D A;
    Point3D B;
};