479         curve3() : m_approximation_method(curve_div) {}  in curve3()
483             m_approximation_method(curve_div)  in curve3()
498             if(m_approximation_method == curve_inc)   in init()
510             m_approximation_method = v;   in approximation_method()
515             return m_approximation_method;   in approximation_method()
551             if(m_approximation_method == curve_inc)   in rewind()
563             if(m_approximation_method == curve_inc)   in vertex()
573         curve_approximation_method_e m_approximation_method;  variable
584         curve4() : m_approximation_method(curve_div) {}  in curve4()
589             m_approximation_method(curve_div)  in curve4()
595             m_approximation_method(curve_div)  in curve4()
611             if(m_approximation_method == curve_inc)   in init()
628             m_approximation_method = v;   in approximation_method()
633             return m_approximation_method;   in approximation_method()
665             if(m_approximation_method == curve_inc)   in rewind()
677             if(m_approximation_method == curve_inc)   in vertex()
687         curve_approximation_method_e m_approximation_method;  variable