Test-Field.H

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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);
}