#include <Standard.hxx>#include <Handle_Expr_PolyFunction.hxx>#include <Handle_Expr_GeneralFunction.hxx>#include <Expr_PolyExpression.hxx>#include <Handle_Expr_GeneralExpression.hxx>#include <Standard_Boolean.hxx>#include <Handle_Expr_NamedUnknown.hxx>#include <Standard_Real.hxx>
1.4.1