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NodeQuadCFInterp.H

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// National Laboratory.  Permission is granted to reproduce
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// this notice is left intact.
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// NodeQuadCFInterp.H
// petermc, Mon, Apr 23, 2001
// petermc, 1 Nov 2001, redid this so that it uses NodeQuadCFInterp2
#ifndef NODEQUADCFINTERP_H
#define NODEQUADCFINTERP_H

#include <cmath>
#include <cstdlib>
#include "BaseFab.H"
#include "NodeFArrayBox.H"
#include "NodeCFIVS.H"
#include "NodeBC.H"
#include "NodeQuadCFInterp2.H"

class NodeQuadCFInterp
{
public:



  NodeQuadCFInterp();


  NodeQuadCFInterp(const DisjointBoxLayout& a_grids,
                   Real a_dx,
                   const ProblemDomain& a_domain,
                   const LayoutData<NodeCFIVS>* const a_loCFIVS,
                   const LayoutData<NodeCFIVS>* const a_hiCFIVS,
                   int a_refToCoarse,
                   int a_interpolationDegree = 2,
                   int a_ncomp = 1);

  NodeQuadCFInterp(const DisjointBoxLayout& a_grids,
                   Real a_dx,
                   const Box& a_domain,
                   const LayoutData<NodeCFIVS>* const a_loCFIVS,
                   const LayoutData<NodeCFIVS>* const a_hiCFIVS,
                   int a_refToCoarse,
                   int a_interpolationDegree = 2,
                   int a_ncomp = 1);

  ~NodeQuadCFInterp();


  void define(const DisjointBoxLayout& a_grids,
              Real a_dx,
              const ProblemDomain& a_domain,
              const LayoutData<NodeCFIVS>* const a_loCFIVS,
              const LayoutData<NodeCFIVS>* const a_hiCFIVS,
              int a_refToCoarse,
              int a_interpolationDegree = 2,
              int a_ncomp = 1);

  void define(const DisjointBoxLayout& a_grids,
              Real a_dx,
              const Box& a_domain,
              const LayoutData<NodeCFIVS>* const a_loCFIVS,
              const LayoutData<NodeCFIVS>* const a_hiCFIVS,
              int a_refToCoarse,
              int a_interpolationDegree = 2,
              int a_ncomp = 1);


  void setDomainNodeBC(const DomainNodeBC& a_dombcIn);


              

  bool isDefined() const;




  void coarseFineInterp(LevelData<NodeFArrayBox>& a_phiFine,
                        const LevelData<NodeFArrayBox>& a_phiCoarse,
                        bool a_inhomogeneous);


protected:

  // the grids at the current level (the finest level)
  DisjointBoxLayout m_grids;

  // number of components
  int m_ncomp;

  // refinement ratio between this and the next coarser level
  int m_refToCoarse;
    
  // the number of coarsenings to be done:  this is log2(m_refToCoarse).
  int m_coarsenings;

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

  // has boundary condition been defined?
  bool m_isBCDefined;

  // mesh spacing at this (fine) level
  Real m_dx;

  // mesh spacing at coarsest level refined by 2
  Real m_dxPenultimate;

  // domain of coarsest level refined by 2
  ProblemDomain m_domainPenultimate;

  // boundary conditions
  DomainNodeBC m_dombc;

  // data at intermediate coarsening levels.  length m_coarsenings-1.
  Vector< LevelData<NodeFArrayBox>* > m_inter;

  // vector of interpolating objects.  length m_coarsenings.
  // m_qcfi2[i] averages refined versions of the SAME grids if i > 1,
  // and in general DIFFERENT grids if i == 0.
  Vector< NodeQuadCFInterp2* > m_qcfi2;

  // at intermediate levels, when refinement ratio > 2,
  // these are used for figuring out which nodes lie on interface with 
  // next coarser level.
  Vector< LayoutData<NodeCFIVS>* > m_loCFIVScoarser;
  Vector< LayoutData<NodeCFIVS>* > m_hiCFIVScoarser;

private:
  //internally useful functions

  void clearMemory();

  void setDefaultValues();
};

#endif

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