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EBPoissonOp.H

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/* _______              __
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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
// contribution for joint exchange. Thus it is experimental,
// is provided ``as is'', with no warranties of any kind
// whatsoever, no support, no promise of updates, or printed
// documentation. By using this software, you acknowledge
// that the Lawrence Berkeley National Laboratory and
// Regents of the University of California shall have no
// liability with respect to the infringement of other
// copyrights by any part of this software.
//
// DTGraves, Weds, July 21, 1999

#ifndef _EBPOISSONOP_H_
#define _EBPOISSONOP_H_

#include <iostream>
#include <cmath>
#include <assert.h>
#include <cstdlib>

#include "REAL.H"
#include "IntVect.H"
#include "Box.H"
#include "DisjointBoxLayout.H"
#include "LevelData.H"
#include "BaseFab.H"

#include "QuadCFInterp.H"
#include "Copier.H"

#include "EBCellFAB.H"

// #include "RegCFIVS.H"
// #include "RegGhostBC.H"

#include "EBLevelOp.H"
#include "GenBaseBottomSmoother.H"


class EBPoissonOp: public EBLevelOp
{
public:
  EBPoissonOp();

  ~EBPoissonOp();


  virtual EBPoissonOp* newOp() const;

  virtual bool isDefined() const;


  void define(const DisjointBoxLayout& a_grids,
              const DisjointBoxLayout* a_baseBAPtr,
              Real                     a_dxLevel, 
              int                      a_refRatio,
              const Box&               a_domain,
              bool                     a_homogeneousOnly = false,
              int                      a_ncomp = 1);


  void define(const DisjointBoxLayout& a_grids,
              const DisjointBoxLayout* a_baseBAPtr,
              Real                     a_dxLevel, 
              int                      a_refRatio,
              const ProblemDomain&     a_domain,
              bool                     a_homogeneousOnly = false,
              int                      a_ncomp = 1);


  void define(const GenLevelOp<EBCellFAB>* a_opfine,
              int                          a_reftoFine);


  void smooth(LevelData<EBCellFAB>&       a_phi,
              const LevelData<EBCellFAB>& a_rhs);


  virtual void levelPreconditioner(LevelData<EBCellFAB>&       a_phihat,
                                   const LevelData<EBCellFAB>& a_rhshat);


  void applyOpH(LevelData<EBCellFAB>& a_phi,
                LevelData<EBCellFAB>& a_LOfPhi);


  void applyOpI(LevelData<EBCellFAB>&       a_phi,
                const LevelData<EBCellFAB>* a_phiCoarsePtr,
                LevelData<EBCellFAB>&       a_LOfPhi);


  void applyOpHcfIphys(LevelData<EBCellFAB>& a_phi,
                       LevelData<EBCellFAB>& a_lOfPhi);


  void applyOpIcfHphys(LevelData<EBCellFAB>&       a_phi,
                       const LevelData<EBCellFAB>* a_phiCoarsePtr,
                       LevelData<EBCellFAB>&       a_LOfPhi);


  void CFInterp(LevelData<EBCellFAB>&       a_phi,
                const LevelData<EBCellFAB>& a_phiCoarse);


  void homogeneousCFInterp(LevelData<EBCellFAB>& a_phi);


  void homogeneousCFInterp(LevelData<EBCellFAB>& a_phif, 
                           const DataIndex&      a_datInd, 
                           int                   a_idir, 
                           Side::LoHiSide        a_hiorlo);

#if FIXIT

  void setDomainGhostBC(const EBDomainGhostBC& a_dombcin);
#endif

  void setBottomSmoother(const GenBaseBottomSmoother<LevelData<EBCellFAB> >& a_bottomSmoother);


  void bottomSmoother(LevelData<EBCellFAB>&       a_phi,
                      const LevelData<EBCellFAB>& a_rhs);

#if FIXIT


  void getFlux(EBCellFAB&       a_fineFlux, 
               const EBCellFAB& a_data, 
               const DataIndex& a_datInd,
               int              a_dir);
#endif

protected:
#if FIXIT
  // boundary conditons
  EBDomainGhostBC m_domghostbc;
#endif

  // domain of fine grid
  ProblemDomain m_domain;

  // the grids at the current level
  DisjointBoxLayout m_grids;

  // Copier object that knows how to perform exchange operations on 
  // LevelData objects defined on m_grids
  Copier m_exchangeCopier;

  /* DisjointBoxLayout for next coarser level
     this is == NULL if there is no coarser level */
  DisjointBoxLayout m_baseBA;

  // number of components
  int m_ncomp;

  // refinement ratio between this and the next coarser level
  int m_refRatio;

  // mesh spacing at this level
  Real m_dxLevel;

  // mesh spacing at next coarser level
  Real m_dxCrse;

  /*
    coarse-fine information between this level
    and the next coarser level
  */
  QuadCFInterp m_quadCFI;

  /* bottom smoother object
   */
  GenBaseBottomSmoother<LevelData<EBCellFAB> >* m_bottomSmootherPtr;

  // has full define function been called?
  bool m_isDefined;

  // has bc been defined?
  bool m_isBCDefined;

  // is inhomogeneous CF interpolation possible?
  bool m_ihcfiEnabled;

#if FIXIT
  LayoutData<EBCFIVS> m_loCFIVS[SpaceDim];
  LayoutData<EBCFIVS> m_hiCFIVS[SpaceDim];
#endif

private:
  // internally useful functions
  void
  levelGSRB(LevelData<EBCellFAB>&       a_phi, 
            const LevelData<EBCellFAB>& a_rhs);
  void
  interpOnIVS(LevelData<EBCellFAB>& a_phif, 
              const EBCellFAB&      a_phistar, 
              const DataIndex&      a_dFine,
              const int             a_idir,
              const Side::LoHiSide  a_hiorlo,
              const IntVectSet&     a_interpIVS);

  void clearMemory();

  void setDefaultValues();
};

#endif

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