private:
//! private methods
+ void performInterval(const Standard_Real theStart,
+ const Standard_Real theEnd,
+ const Standard_Integer theNBSteps);
void fillPoint(GEOMImpl_Fillet1dPoint*);
void fillDiff(GEOMImpl_Fillet1dPoint*, Standard_Real, Standard_Boolean);
void performNewton(GEOMImpl_Fillet1dPoint*, GEOMImpl_Fillet1dPoint*);