#include <Handle_Geom2d_BSplineCurve.hxx>
#include <Standard_Boolean.hxx>
#include <Standard_Real.hxx>
#include <gp_Pnt2d.hxx>
#include <Standard.hxx>
#include <Standard_Macro.hxx>
#include <GeomLib_Check2dBSplineCurve.lxx>