EBMGAverage.H

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#ifdef CH_LANG_CC
/*
*      _______              __
*     / ___/ /  ___  __ _  / /  ___
*    / /__/ _ \/ _ \/  V \/ _ \/ _ \
*    \___/_//_/\___/_/_/_/_.__/\___/
*    Please refer to Copyright.txt, in Chombo's root directory.
*/
#endif

// dtgraves fri aug 17, 2001

#ifndef _EBMGAVERAGE_H_
#define _EBMGAVERAGE_H_

#include "REAL.H"
#include "FArrayBox.H"
#include "LevelData.H"
#include "DisjointBoxLayout.H"
#include "EBISLayout.H"
#include "EBCellFAB.H"
#include "Interval.H"
#include "EBStencil.H"
#include "NamespaceHeader.H"
class EBIndexSpace;


class EBMGAverage
{
public:

  EBMGAverage();

  ~EBMGAverage();

  EBMGAverage(const DisjointBoxLayout& a_dblFine,
              const DisjointBoxLayout& a_dblCoar,
              const EBISLayout& a_ebislFine,
              const EBISLayout& a_ebislCoar,
              const ProblemDomain& a_domainCoar,
              const int& a_nref,
              const int& a_nvar,
              const EBIndexSpace* ebisPtr,
              const IntVect&              a_ghostCellsRHS);


  void define(const DisjointBoxLayout& dblFine,
              const DisjointBoxLayout& dblCoar,
              const EBISLayout& ebislFine,
              const EBISLayout& ebislCoar,
              const ProblemDomain& domainCoar,
              const int& nref,
              const int& nvar,
              const EBIndexSpace* ebisPtr,
              const IntVect& ghostCellsRHS);


  bool isDefined() const;


  void
  average(LevelData<EBCellFAB>&       a_coarData,
          const LevelData<EBCellFAB>& a_fineData,
          const Interval&             a_variables);


  void
  averageMG(LevelData<EBCellFAB>&       a_coarData,
            const LevelData<EBCellFAB>& a_fineData,
            const Interval&             a_variables);

protected:
  void
  averageFAB(EBCellFAB&       a_coar,
             const EBCellFAB& a_refCoar,
             const DataIndex& a_datInd,
             const Interval&  a_variables) const;

  void
  setDefaultValues();

  bool m_isDefined;
  IntVect m_ghost;
  DisjointBoxLayout m_coarGrids;
  DisjointBoxLayout m_fineGrids;
  DisjointBoxLayout m_refinedCoarseGrids;
  Copier m_copier;//this goes from m_refinedCoarseGrids to m_fineGrids
  ProblemDomain m_coarDomain;
  ProblemDomain m_fineDomain;

  EBISLayout m_coarEBISL;
  EBISLayout m_fineEBISL;

  EBISLayout m_refinedCoarseEBISL;

  int m_refRat;
  int m_nComp;
  LevelData<EBCellFAB> m_refinedCoarseData;

  LayoutData<RefCountedPtr<EBStencil> >  m_averageEBStencil;

private:
    //disallowed for all the usual reasons
  EBMGAverage(const EBMGAverage& ebcin)
  {
    MayDay::Error("ebmgi 2 invalid operator");
  }
  void operator=(const EBMGAverage& fabin)
  {
    MayDay::Error("ebmgi 3 invalid operator");
  }

};

#include "NamespaceFooter.H"
#endif

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