#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
-#include <Standard_Handle.hxx>
-#include <Standard_Boolean.hxx>
#include <Standard_Integer.hxx>
-#include <Standard_Real.hxx>
#include <Extrema_PCFOfEPCOfExtPC2d.hxx>
class StdFail_NotDone;
class Standard_OutOfRange;