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EBGraph.H

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/* _______              __
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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 _EBGRAPH_H_
#define _EBGRAPH_H_

#include "REAL.H"
#include "IntVect.H"
#include "IntVectSet.H"
#include "VolIndex.H"
#include "Interval.H"
#include "FaceIndex.H"
#include "IntVectSet.H"
#include "RealVect.H"
#include "BaseFab.H"
#include "SPMD.H"
#include "IrregNode.H"
#include "GraphNode.H"
#include "RefCountedPtr.H"


class EBGraphImplem
{
public:

  enum TAG {AllRegular = 0, AllCovered, HasIrregular};


  EBGraphImplem();

  ~EBGraphImplem();


  Vector<VolIndex> getVoFs(const IntVect& a_iv) const;

  int numVoFs(const IntVect& a_iv) const;


  bool isAllRegular() const;


  bool hasIrregular() const;


  bool isAllCovered() const;


  bool isIrregular(const IntVect& a_iv) const;


  bool isCovered(const Box& a_box) const;


  bool isRegular(const Box& a_box) const;
  
  bool isRegular(const IntVect& a_iv) const;

  bool isCovered(const IntVect& a_iv) const;

  bool isConnected(const VolIndex& a_vof1,
                   const VolIndex& a_vof2) const;

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

  Vector<Vector<VolIndex> >  getVoFSets(const Box& a_region) const;

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



  Vector<FaceIndex> refine(const FaceIndex& a_coarFace, const EBGraphImplem& a_fineGraph) const;


  FaceIndex coarsen(const FaceIndex& a_coarFace) const;


  VolIndex coarsen(const VolIndex& a_fineVoF) const;



  void
  buildGraph(const BaseFab<int>&      a_regIrregCovered,
             const Vector<IrregNode>& a_irregGraph,
             const Box&               a_validRegion,
             const Box&               a_domain);

  void 
  checkGraph(const BaseFab<int>&      a_regIrregCovered,
             const Vector<IrregNode>& a_irregGraph,
             const Box&               a_validRegion,
             const Box&               a_domain)  ;


  void setToAllRegular();


  void setToAllCovered();


  void define(const Box& box);


  EBGraphImplem(const Box& box);



  void copy(const Box& a_regionFrom, 
            const Interval& Cd, 
            const Box& a_regionto, 
            const EBGraphImplem& a_source, 
            const Interval& Cs);


  const Box& getRegion() const;

  const Box& getDomain() const;


  int size(const Box& R, const Interval& comps) const;

  void linearOut(void* buf, const Box& R, const Interval& comps) const;

  void linearIn(void* buf, const Box& R, const Interval& comps);

  static int preAllocatable()
  {
    return 2; // dyanmic allocatable.  
  }

  bool isDefined() const;

  bool isDomainSet() const;

  //stuff below is not part of the public API
  
  //define vofs to be the coarsened vofs of the inputs
  //this must go first in coarsening.  defines happen here
  void coarsenVoFs(const EBGraphImplem&   a_fineGraph, 
                   const Box& a_coarRegion);
  
  //define the faces to be the coarsened faces of the input
  void coarsenFaces(const EBGraphImplem& a_coarGhostGraph,
                    const EBGraphImplem& a_fineEBIS);

  //fix fineVoF->coarseVoF information of the input
  void fixFineToCoarse(EBGraphImplem& a_fineEBIS) const;
 
  //don't ask
  Vector<int> 
  coarsenFaces(const VolIndex&       a_coarVoF,
               const EBGraphImplem&        a_coarGhostGraph,
               const EBGraphImplem&        a_fineGraph,
               const int&            a_idir,
               const Side::LoHiSide& a_sd);

  void setDomain(const Box& box);

  IntVectSet getIrregCells(const Box& a_subbox) const;
  
  IntVectSet getMultiCells(const Box& a_subbox) const;

  Vector<FaceIndex> 
  getAllFaces(const IntVect& a_iv, 
              const int& a_idir, 
              const Side::LoHiSide& a_sd) const;
private:

  Box m_region;

  Box m_domain;


  TAG m_tag;


  BaseFab<GraphNode>  m_graph;

  bool m_isDefined;

  bool m_isDomainSet;

  IntVectSet m_irregIVS;
  
  IntVectSet m_multiIVS;
private:
  
  void operator=(const EBGraphImplem& ebiin)
  {
    MayDay::Error("invalid operator");
  }
  EBGraphImplem(const EBGraphImplem& ebiin)
  {
    MayDay::Error("invalid operator");
  }
};



class EBGraph
{
public:

  enum TAG {AllRegular = 0, AllCovered, HasIrregular};


  EBGraph();

  ~EBGraph();


  Vector<VolIndex> getVoFs(const IntVect& a_iv) const;

  int numVoFs(const IntVect& a_iv) const;


  bool isAllRegular() const;


  bool hasIrregular() const;


  bool isAllCovered() const;


  bool isIrregular(const IntVect& a_iv) const;


  bool isCovered(const Box& a_box) const;


  bool isRegular(const Box& a_box) const;
  
  bool isRegular(const IntVect& a_iv) const;

  bool isCovered(const IntVect& a_iv) const;

  bool isConnected(const VolIndex& a_vof1,
                   const VolIndex& a_vof2) const;

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

  Vector<Vector<VolIndex> >  getVoFSets(const Box& a_region) const;

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



  Vector<FaceIndex> refine(const FaceIndex& a_coarFace, const EBGraph& a_fineGraph) const;


  FaceIndex coarsen(const FaceIndex& a_coarFace) const;


  VolIndex coarsen(const VolIndex& a_fineVoF) const;



  EBGraph(const Box& a_box, int a_comps);


  void
  buildGraph(const BaseFab<int>&      a_regIrregCovered,
             const Vector<IrregNode>& a_irregGraph,
             const Box&               a_validRegion,
             const Box&               a_domain);

  void 
  checkGraph(const BaseFab<int>&      a_regIrregCovered,
             const Vector<IrregNode>& a_irregGraph,
             const Box&               a_validRegion,
             const Box&               a_domain)  ;


  void setToAllRegular();


  void setToAllCovered();


  void define(const Box& box);



  void copy(const Box& a_regionFrom, 
            const Interval& Cd, 
            const Box& a_regionto, 
            const EBGraph& a_source, 
            const Interval& Cs);


  const Box& getRegion() const;

  const Box& getDomain() const;

  bool isDefined() const;

  bool isDomainSet() const;

  //stuff below is not part of the public API
  
  //define vofs to be the coarsened vofs of the inputs
  //this must go first in coarsening.  defines happen here
  void coarsenVoFs(const EBGraph&   a_fineGraph, 
                   const Box& a_coarRegion);
  
  //define the faces to be the coarsened faces of the input
  void coarsenFaces(const EBGraph& a_coarGhostGraph,
                    const EBGraph& a_fineEBIS);

  //fix fineVoF->coarseVoF information of the input
  void fixFineToCoarse(EBGraph& a_fineEBIS) const;
 
  //don't ask
  Vector<int> 
  coarsenFaces(const VolIndex&       a_coarVoF,
               const EBGraph&        a_coarGhostGraph,
               const EBGraph&        a_fineGraph,
               const int&            a_idir,
               const Side::LoHiSide& a_sd);

  void setDomain(const Box& box);

  IntVectSet getIrregCells(const Box& a_subbox) const;
  
  IntVectSet getMultiCells(const Box& a_subbox) const;

  EBGraph& operator=(const EBGraph& ebiin);

  EBGraph(const EBGraph& a_ebiin);

  Vector<FaceIndex> 
  getAllFaces(const IntVect& a_iv, 
              const int& a_idir, 
              const Side::LoHiSide& a_sd) const;
  
  EBGraph(const Box& box);
  bool operator==(const EBGraph& a_ebiin);


  int size(const Box& R, const Interval& comps) const;

  void linearOut(void* buf, const Box& R, const Interval& comps) const;

  void linearIn(void* buf, const Box& R, const Interval& comps);

  static int preAllocatable()
  {
    return 2; // dyanmic allocatable.  
  }

private:

  RefCountedPtr<EBGraphImplem> m_implem;
};

#endif

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