#include <IntSurf_Quadric.hxx>
#include <Standard_Real.hxx>
#include <Standard_Integer.hxx>
#include <Handle_IntPatch_TheWLineOfIntersection.hxx>
#include <Handle_IntPatch_TheALineOfIntersection.hxx>
#include <Standard.hxx>
#include <Standard_Macro.hxx>