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NodeMGInterp2.H

Go to the documentation of this file.

/* _______              __
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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
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// copyrights by any part of this software.
//

#ifndef NODEMGINTERP2_H
#define NODEMGINTERP2_H

#include "REAL.H"
#include "LevelData.H"
#include "NodeFArrayBox.H"


class NodeMGInterp2
{
public:
  NodeMGInterp2();

  ~NodeMGInterp2();

  NodeMGInterp2(const DisjointBoxLayout& a_grids,
                int a_numcomps,
                Real a_dx);


  void define(const DisjointBoxLayout& a_grids, // the fine-level grids
              int a_numcomps,                   // number of components
              Real a_dx);


  void getWeights(const DisjointBoxLayout& a_gridsFine,
                  Real a_dx);


  void interpToFine(LevelData<NodeFArrayBox>& a_fine,
                    const LevelData<NodeFArrayBox>& a_coarse,
                    bool a_sameGrids = false);

  bool isDefined() const;
  

protected:
  bool is_defined;

  // the refinement ratio
  int m_refRatio;

  // work array for the coarse level data in a domain that is the
  // outline of the fine level domain on the coarse level
  BoxLayoutData<NodeFArrayBox> m_coarsenedFine;

  DisjointBoxLayout m_grids;

  // reference box for FORT_NODEINTERPMG
  Box m_boxRef;

  // weights for FORT_NODEINTERPMG
  BoxLayoutData<NodeFArrayBox> m_weights;
};

#endif

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