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BaseHelmholtzOp.H

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//
// This software is copyright (C) by the Lawrence Berkeley
// National Laboratory.  Permission is granted to reproduce
// this software for non-commercial purposes provided that
// this notice is left intact.
// 
// It is acknowledged that the U.S. Government has rights to
// this software under Contract DE-AC03-765F00098 between
// the U.S.  Department of Energy and the University of
// California.
//
// This software is provided as a professional and academic
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// DTGraves, Weds, July 21, 1999

#ifndef _BASEHELMHOLTZOP_H_
#define _BASEHELMHOLTZOP_H_

#include "LevelOp.H"
#include "GhostBC.H"



class BaseHelmholtzOp: public LevelOp
{

public:


  virtual void scaleAlpha(Real a_scale) = 0;


  virtual void scaleBeta(Real a_scale) =0;



  virtual void setDomainGhostBC(const DomainGhostBC& a_dombc) = 0;
  

  BaseHelmholtzOp() {};

  virtual ~BaseHelmholtzOp() {};


};

#endif

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