#include <Standard_Failure.hxx>#include <gp.hxx>#include <Geom2d_Line.hxx>#include <GeomAbs_CurveType.hxx>#include <Geom2d_Circle.hxx>#include <Geom2d_Ellipse.hxx>#include <Geom2d_Parabola.hxx>#include <Geom2d_Hyperbola.hxx>#include <Extrema_POnCurv2d.hxx>#include <gp_Vec.hxx>#include <Geom2d_BezierCurve.hxx>#include <Geom2d_BSplineCurve.hxx>
1.4.1