// File generated by CPPExt (Transient)
//
//
//                     Copyright (C) 1991 - 2000 by  
//                      Matra Datavision SA.  All rights reserved.
//  
//                     Copyright (C) 2001 - 2004 by
//                     Open CASCADE SA.  All rights reserved.
// 
// This file is part of the Open CASCADE Technology software.
//
// This software may be distributed and/or modified under the terms and
// conditions of the Open CASCADE Public License as defined by Open CASCADE SA
// and appearing in the file LICENSE included in the packaging of this file.
//  
// This software is distributed on an "AS IS" basis, without warranty of any
// kind, and Open CASCADE SA hereby disclaims all such warranties,
// including without limitation, any warranties of merchantability, fitness
// for a particular purpose or non-infringement. Please see the License for
// the specific terms and conditions governing rights and limitations under the
// License.

#ifndef _Expr_UnaryMinus_HeaderFile
#define _Expr_UnaryMinus_HeaderFile

#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Handle_Expr_UnaryMinus_HeaderFile
#include <Handle_Expr_UnaryMinus.hxx>
#endif

#ifndef _Expr_UnaryExpression_HeaderFile
#include <Expr_UnaryExpression.hxx>
#endif
#ifndef _Handle_Expr_GeneralExpression_HeaderFile
#include <Handle_Expr_GeneralExpression.hxx>
#endif
#ifndef _Standard_Boolean_HeaderFile
#include <Standard_Boolean.hxx>
#endif
#ifndef _Handle_Expr_NamedUnknown_HeaderFile
#include <Handle_Expr_NamedUnknown.hxx>
#endif
#ifndef _Standard_Integer_HeaderFile
#include <Standard_Integer.hxx>
#endif
#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
class Standard_NumericError;
class Standard_OutOfRange;
class Expr_NotEvaluable;
class Expr_GeneralExpression;
class Expr_NamedUnknown;
class Expr_Array1OfNamedUnknown;
class TColStd_Array1OfReal;
class TCollection_AsciiString;



class Expr_UnaryMinus : public Expr_UnaryExpression {

public:
 // Methods PUBLIC
 // 

//! Create the unary minus of <exp>. <br>
Standard_EXPORT Expr_UnaryMinus(const Handle(Expr_GeneralExpression)& exp);

//! Returns a GeneralExpression after a simplification <br>
//!          of the arguments of <me>. <br>
Standard_EXPORT   Handle_Expr_GeneralExpression ShallowSimplified() const;

//! Returns a copy of <me> having the same unknowns and functions. <br>
Standard_EXPORT   Handle_Expr_GeneralExpression Copy() const;

//! Tests if <me> and <Other> define the same expression. <br>
//!          This method does not include any simplification before <br>
//!          testing. <br>
Standard_EXPORT   Standard_Boolean IsIdentical(const Handle(Expr_GeneralExpression)& Other) const;


Standard_EXPORT   Standard_Boolean IsLinear() const;

//! Returns the derivative on <X> unknown of <me> <br>
Standard_EXPORT   Handle_Expr_GeneralExpression Derivative(const Handle(Expr_NamedUnknown)& X) const;

//! Returns the <N>-th derivative on <X> unknown of <me>. <br>
//!          Raises OutOfRange if <N> <= 0 <br>
Standard_EXPORT virtual  Handle_Expr_GeneralExpression NDerivative(const Handle(Expr_NamedUnknown)& X,const Standard_Integer N) const;

//! Returns the value of <me> (as a Real) by <br>
//!          replacement of <vars> by <vals>. <br>
//!          Raises NotEvaluable if <me> contains NamedUnknown not <br>
//!          in <vars> or NumericError if result cannot be computed. <br>
Standard_EXPORT   Standard_Real Evaluate(const Expr_Array1OfNamedUnknown& vars,const TColStd_Array1OfReal& vals) const;

//! returns a string representing <me> in a readable way. <br>
Standard_EXPORT   TCollection_AsciiString String() const;
//Standard_EXPORT ~Expr_UnaryMinus();




 // Type management
 //
 Standard_EXPORT const Handle(Standard_Type)& DynamicType() const;
 //Standard_EXPORT Standard_Boolean	       IsKind(const Handle(Standard_Type)&) const;

protected:

 // Methods PROTECTED
 // 


 // Fields PROTECTED
 //


private: 

 // Methods PRIVATE
 // 


 // Fields PRIVATE
 //


};





// other Inline functions and methods (like "C++: function call" methods)
//


#endif
