#include <Standard_Real.hxx>
#include <Extrema_FuncExtPS.hxx>
#include <Handle_Adaptor3d_HCurve.hxx>
#include <Adaptor3d_SurfacePtr.hxx>
#include <gp_Vec.hxx>
#include <gp_Ax2.hxx>
#include <Extrema_GenExtPS.hxx>
#include <Standard_Boolean.hxx>
#include <Standard_Integer.hxx>
#include <Extrema_POnSurf.hxx>
#include <Standard.hxx>
#include <Standard_Macro.hxx>