NullField.h

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#ifndef CLASSIC_NullField_HH
#define CLASSIC_NullField_HH
 
// ------------------------------------------------------------------------
// $RCSfile: NullField.h,v $
// ------------------------------------------------------------------------
// $Revision: 1.1.1.1 $
// ------------------------------------------------------------------------
// Copyright: see Copyright.readme
// ------------------------------------------------------------------------
//
// Class: NullField
//
// ------------------------------------------------------------------------
// Class category: Fields
// ------------------------------------------------------------------------
//
// $Date: 2000/03/27 09:32:36 $
// $Author: fci $
//
// ------------------------------------------------------------------------
 
#include "Fields/EMField.h"
 
 
// Class NullField
// ------------------------------------------------------------------------
 
class NullField: public EMField {
 
public:
 
    NullField();
    NullField(const NullField &right);
    virtual ~NullField();
    const NullField &operator=(const NullField &right);
 
    //  Multiply the field by [b]scalar[/b].
    //  Obviously this method does nothing.
    virtual void scale(double scalar);
};
 
#endif // CLASSIC_NullField_HH