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GraphNode.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.
//
//  ANAG, LBNL

#ifndef _EBGRAPHNODE_H_
#define _EBGRAPHNODE_H_

#include "REAL.H"
#include "IntVect.H"
#include "VolIndex.H"
#include "FaceIndex.H"
#include "Vector.H"


class GraphNodeImplem
{
public:
  GraphNodeImplem();
  
  ~GraphNodeImplem();

  GraphNodeImplem& operator=(const GraphNodeImplem& a_impin);

  GraphNodeImplem(const GraphNodeImplem& a_impin);

  


  Vector<int>      m_arc[2*SpaceDim];
  

  int              m_coarserNode;
  
  // (for construction) index into node vector.
  int m_nodeInd;

  Vector<VolIndex> m_finerNodes;
  
  int index(int a_idir, Side::LoHiSide a_side) const;

  int linearSize() const;

  void linearOut(void* buffer ) const;

  void linearIn(void* buffer );

};


class GraphNode
{
public:

  GraphNode();


  ~GraphNode();

  int size() const;


  void clear();

  bool isRegular() const;


  bool isCovered() const;
  

  bool isIrregular() const;
  

  void defineAsRegular();
  

  void defineAsCovered();
  

  Vector<FaceIndex> 
  getFaces(const VolIndex&       a_vof, 
           const int&            a_idir, 
           const Side::LoHiSide& a_sd,
           const Box&            a_domain) const;


  Vector<VolIndex> 
  getVoFs(const IntVect& a_iv) const;
  
  const GraphNode& operator=(const GraphNode& ebiin);

  GraphNode(const GraphNode& ebiin);


  Vector<VolIndex> refine(const VolIndex& a_coarVoF) const;


  VolIndex coarsen(const VolIndex& a_fineVoF) const;


  void addIrregularNode(const GraphNodeImplem& a_nodein, int cellIndex);

  void addIrregularNode(const GraphNodeImplem& a_nodein);


  Vector<Vector<VolIndex> >  getVoFSets(const Box& a_box) const;
  
  int linearSize() const;

  void linearOut(void* buffer ) const;

  void linearIn(void* buffer );

  void setDefaults();


  Vector<GraphNodeImplem>* m_cellList;

};

#endif

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