This class implements std::atan2(x, y) function which can be used in ICalculator to calculate arctangent of y / x.

You can find more information in comments below. Overrided methods can be found in corresponding base class or interface.

class CProcedureArcTan2 :public CProcedure
    {
    public:
        CVariable *Calculate(CVariable *parent, CVariable *args) override;
    
        CProcedureArcTan2();
    };