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#include <iostream>
template<class C>
class Vector;
template<class C>
Vector<C> operator+(const Vector<C>& v1, const Vector<C>& v2);
template<class C>
std::ostream& operator<<(std::ostream& os, const Vector<C>& v);
/*---------------------------------------------------------------------------*\
Class Vector Declaration
\*---------------------------------------------------------------------------*/
template<class C>
class Vector
{
double X, Y;
public:
inline Vector(const double x, const double y);
C x() const
{
return X;
}
C y() const
{
return Y;
}
friend Vector<C> operator+ <C>(const Vector<C>& v1, const Vector<C>& v2);
friend std::ostream& operator<<(std::ostream& os, const Vector<C>& v)
{
os << v.X << '\t' << v.Y << '\n';
return os;
}
};
template<class C>
inline Vector<C>::Vector(const double x, const double y)
{
X = x;
Y = y;
}
template<class C>
inline Vector<C> operator+(const Vector<C>& v1, const Vector<C>& v2)
{
return Vector<C>(v1.X+v2.X, v1.Y+v2.Y);
}
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