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Lera_rastaturina Oct 21st, 2019 79 Never
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  1. #pragma once
  2. #include <cmath>
  3. #include <cstring>
  4.  
  5. using namespace std;
  6.  
  7. class Vector2d
  8. {
  9. private:
  10.     double x, y;
  11. public:
  12.     Vector2d();
  13.     Vector2d(double, double);
  14.     Vector2d(double, double, double, double);
  15.     Vector2d(const Vector2d &);
  16.     Vector2d operator+(const Vector2d & ) const;
  17.     Vector2d operator-(const Vector2d & ) const;
  18.     Vector2d operator*(const Vector2d & ) const;
  19.     friend Vector2d operator*(double, Vector2d & );
  20.     Vector2d& operator++();
  21.     Vector2d operator++(int);
  22.     Vector2d& operator--();
  23.     Vector2d operator--(int);
  24.     const Vector2d& operator += (const Vector2d &);
  25.     const Vector2d& operator -= (const Vector2d &);
  26.     const Vector2d& operator *= (const Vector2d &);
  27.     operator string() const;
  28.     void setX(double value)
  29.     {
  30.         x = value;
  31.     }
  32.  
  33.     double getX()
  34.     {
  35.         return x;
  36.     }
  37.  
  38.     void setY(double value)
  39.     {
  40.         y = value;
  41.     }
  42.  
  43.     double getY()
  44.     {
  45.         return y;
  46.     }
  47.    
  48.     void print(void);
  49.     void sum(Vector2d);
  50.     void sub(Vector2d);
  51.     void mult(double);
  52.     double scalarMult(Vector2d);
  53.     ~Vector2d();
  54. };
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