text: // Created on: 1997-02-06
  // Created by: Denis PASCAL
  // Copyright (c) 1997-1999 Matra Datavision
  // Copyright (c) 1999-2014 OPEN CASCADE SAS
  //
  // This file is part of Open CASCADE Technology software library.
  //
  // This library is free software; you can redistribute it and/or modify it under
  // the terms of the GNU Lesser General Public License version 2.1 as published
  // by the Free Software Foundation, with special exception defined in the file
  // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
  // distribution for complete text of the license and disclaimer of any warranty.
  //
  // Alternatively, this file may be used under the terms of Open CASCADE
  // commercial license or contractual agreement.
  
  #ifndef _TDataStd_Real_HeaderFile
  #define _TDataStd_Real_HeaderFile
  
  #include <Standard.hxx>
  #include <Standard_Type.hxx>
  
  #include <Standard_Real.hxx>
  #include <TDataStd_RealEnum.hxx>
  #include <TDF_Attribute.hxx>
  #include <Standard_Boolean.hxx>
  #include <Standard_OStream.hxx>
  #include <Standard_GUID.hxx>
  
  class TDF_Label;
  class TDF_Attribute;
  class TDF_RelocationTable;
  
  
  class TDataStd_Real;
  DEFINE_STANDARD_HANDLE(TDataStd_Real, TDF_Attribute)
  
  //! The basis to define a real number attribute.
  class TDataStd_Real : public TDF_Attribute
  {
  
  public:
  
    
    //! class methods
    //! =============
    //! Returns the default GUID for real numbers.
    Standard_EXPORT static const Standard_GUID& GetID();
    
    //! Finds, or creates, a Real attribute with default GUID and sets <value>.
    //! The Real attribute  is  returned. The  Real  dimension is Scalar by default.
    //! Use SetDimension to overwrite.
    //! Real methods
    //! ============
    Standard_EXPORT static Handle(TDataStd_Real) Set (const TDF_Label& label, const Standard_Real value);
    
    //! Finds, or creates, a Real attribute with explicit GUID and sets <value>.
    //! The Real attribute  is  returned. 
    //! Real methods
    //! ============
    Standard_EXPORT static Handle(TDataStd_Real) Set (const TDF_Label& label, const Standard_GUID& guid,
  	                            const Standard_Real value);
  
    Standard_EXPORT TDataStd_Real();
    
    //! Obsolete method that will be removed in next versions.
    //! This field is not supported in the persistence mechanism.
    Standard_DEPRECATED("TDataStd_Real::SetDimension() is deprecated. Please avoid usage of this method.")
    Standard_EXPORT void SetDimension (const TDataStd_RealEnum DIM);
    
    //! Obsolete method that will be removed in next versions.
    //! This field is not supported in the persistence mechanism.
    Standard_DEPRECATED("TDataStd_Real::GetDimension() is deprecated. Please avoid usage of this method.")
    Standard_EXPORT TDataStd_RealEnum GetDimension() const;
    
  
    //! Sets the real number V.
    Standard_EXPORT void Set (const Standard_Real V);
    
    //! Sets the explicit GUID for the attribute.
    Standard_EXPORT void SetID (const Standard_GUID& guid) Standard_OVERRIDE;
  
    //! Sets default GUID for the attribute.
    Standard_EXPORT void SetID() Standard_OVERRIDE;
  
    //! Returns the real number value contained in the attribute.
    Standard_EXPORT Standard_Real Get() const;
    
    //! Returns True if there is a reference on the same label
    Standard_EXPORT Standard_Boolean IsCaptured() const;
    
    Standard_EXPORT const Standard_GUID& ID() const Standard_OVERRIDE;
    
    Standard_EXPORT void Restore (const Handle(TDF_Attribute)& With) Standard_OVERRIDE;
    
    Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
    
    Standard_EXPORT void Paste (const Handle(TDF_Attribute)& Into, const Handle(TDF_RelocationTable)& RT) const Standard_OVERRIDE;
    
    Standard_EXPORT virtual Standard_OStream& Dump (Standard_OStream& anOS) const Standard_OVERRIDE;
  
  
  
  
    DEFINE_STANDARD_RTTIEXT(TDataStd_Real,TDF_Attribute)
  
  protected:
  
  
  
  
  private:
  
  
    Standard_Real myValue;
    //! An obsolete field that will be removed in next versions.
    TDataStd_RealEnum myDimension;
    Standard_GUID myID;
  
  };
  
  
  
  
  
  
  
  #endif // _TDataStd_Real_HeaderFile
  