liboce-foundation-dev 0.17.1-1 / usr / include / oce / Expr_GeneralExpression.hxx

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// This file is generated by WOK (CPPExt).
// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to 
// this header file considered to be the "object code" form of the original source.

#ifndef _Expr_GeneralExpression_HeaderFile
#define _Expr_GeneralExpression_HeaderFile

#include <Standard.hxx>
#include <Standard_DefineHandle.hxx>
#include <Handle_Expr_GeneralExpression.hxx>

#include <MMgt_TShared.hxx>
#include <Standard_Integer.hxx>
#include <Standard_Boolean.hxx>
#include <Handle_Expr_NamedUnknown.hxx>
#include <Standard_Real.hxx>
class Standard_OutOfRange;
class Standard_NumericError;
class Expr_NotEvaluable;
class Expr_InvalidOperand;
class Expr_NamedUnknown;
class Expr_Array1OfNamedUnknown;
class TColStd_Array1OfReal;
class TCollection_AsciiString;


//! Defines the general purposes of any expression.
class Expr_GeneralExpression : public MMgt_TShared
{

public:

  
  //! Returns the number of sub-expressions contained
  //! in <me> ( >= 0)
  Standard_EXPORT virtual   Standard_Integer NbSubExpressions()  const = 0;
  
  //! Returns the <I>-th sub-expression of <me>
  //! raises OutOfRange if <I> > NbSubExpressions(me)
  Standard_EXPORT virtual  const  Handle(Expr_GeneralExpression)& SubExpression (const Standard_Integer I)  const = 0;
  
  //! Returns a GeneralExpression after replacement of
  //! NamedUnknowns by an associated expression and after
  //! values computation.
  Standard_EXPORT virtual   Handle(Expr_GeneralExpression) Simplified()  const = 0;
  
  //! Returns a GeneralExpression after a simplification
  //! of the arguments of <me>.
  Standard_EXPORT virtual   Handle(Expr_GeneralExpression) ShallowSimplified()  const = 0;
  
  //! Returns a copy of <me> having the same unknowns and
  //! functions.
  Standard_EXPORT virtual   Handle(Expr_GeneralExpression) Copy()  const = 0;
  
  //! Tests if <me> contains NamedUnknowns.
  Standard_EXPORT virtual   Standard_Boolean ContainsUnknowns()  const = 0;
  
  //! Tests if <exp> is contained in <me>.
  Standard_EXPORT virtual   Standard_Boolean Contains (const Handle(Expr_GeneralExpression)& exp)  const = 0;
  
  //! Tests if <me> is linear on every NamedUnknown it
  //! contains.
  Standard_EXPORT virtual   Standard_Boolean IsLinear()  const = 0;
  
  //! Tests if <me> can be shared by one or more expressions
  //! or must be copied. This method returns False as a
  //! default value. To be redefined ( especially for
  //! NamedUnknown).
  Standard_EXPORT virtual   Standard_Boolean IsShareable()  const;
  
  //! Tests if <me> and <Other> define the same expression.
  //! Warning: This method does not include any simplification before
  //! testing. It could also be very slow; to be used
  //! carefully.
  Standard_EXPORT virtual   Standard_Boolean IsIdentical (const Handle(Expr_GeneralExpression)& Other)  const = 0;
  
  //! Returns the derivative on <X> unknown of <me>
  Standard_EXPORT virtual   Handle(Expr_GeneralExpression) Derivative (const Handle(Expr_NamedUnknown)& X)  const = 0;
  
  //! Returns the <N>-th derivative on <X> unknown of <me>.
  //! Raise OutOfRange if N <= 0
  Standard_EXPORT virtual   Handle(Expr_GeneralExpression) NDerivative (const Handle(Expr_NamedUnknown)& X, const Standard_Integer N)  const;
  
  //! Replaces all occurences of <var> with copies of <with>
  //! in <me>. Copies of <with> are made with the Copy() method.
  //! Raises InvalidOperand if <with> contains <me>.
  Standard_EXPORT virtual   void Replace (const Handle(Expr_NamedUnknown)& var, const Handle(Expr_GeneralExpression)& with)  = 0;
  
  //! Returns the value of <me> (as a Real) by
  //! replacement of <vars> by <vals>.
  //! Raises NotEvaluable if <me> contains NamedUnknown not
  //! in <vars> or NumericError if result cannot be computed.
  Standard_EXPORT virtual   Standard_Real Evaluate (const Expr_Array1OfNamedUnknown& vars, const TColStd_Array1OfReal& vals)  const = 0;
  
  //! Returns the value of <me> (as a Real) by
  //! replacement of <vars> by <vals>.
  //! Raises NotEvaluable if <me> contains NamedUnknown not
  //! in <vars> or NumericError if result cannot be computed.
  Standard_EXPORT   Standard_Real EvaluateNumeric()  const;
  
  //! returns a string representing <me> in a readable way.
  Standard_EXPORT virtual   TCollection_AsciiString String()  const = 0;




  DEFINE_STANDARD_RTTI(Expr_GeneralExpression)

protected:




private: 




};







#endif // _Expr_GeneralExpression_HeaderFile

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