LevelFluxRegister.H

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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,
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// documentation. By using this software, you acknowledge
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// copyrights by any part of this software.
//

#ifndef _LEVELFLUXREGISTER_H_
#define _LEVELFLUXREGISTER_H_
#include "REAL.H"
#include "Vector.H"
#include "FArrayBox.H"
#include "IntVectSet.H"
#include "CFStencil.H"
#include "LoHiSide.H"
#include "LevelData.H"
#include "LayoutData.H"
#include "ProblemDomain.H"



class LevelFluxRegister
{
public:


  LevelFluxRegister();


  LevelFluxRegister(
                    const DisjointBoxLayout& a_dbl,
                    const DisjointBoxLayout& a_dblCoarse,
                    const Box& a_dProblem,
                    int a_nRefine,
                    int a_nComp);


  LevelFluxRegister(
                    const DisjointBoxLayout& a_dbl,
                    const DisjointBoxLayout& a_dblCoarse,
                    const ProblemDomain& a_dProblem,
                    int a_nRefine,
                    int a_nComp);

  ~LevelFluxRegister();


  void define(
              const DisjointBoxLayout& a_dbl,
              const DisjointBoxLayout& a_dblCoarse,
              const Box& a_dProblem,
              int a_nRefine,
              int a_nComp);



  void define(
              const DisjointBoxLayout& a_dbl,
              const DisjointBoxLayout& a_dblCoarse,
              const ProblemDomain& a_dProblem,
              int a_nRefine,
              int a_nComp);


  void
  undefine();


  void setToZero(); 


  void incrementCoarse(
                       FArrayBox& a_coarseFlux,
                       Real a_scale,
                       const DataIndex& a_coarseDataIndex,
                       const Interval& a_srcInterval,
                       const Interval& a_dstInterval,
                       int a_dir);


  void incrementCoarse(
                       FArrayBox& a_coarseFlux,
                       Real a_scale,
                       const DataIndex& a_coarseDataIndex,
                       const Interval& a_srcInterval,
                       const Interval& a_dstInterval,
                       int a_dir,
                       Side::LoHiSide a_sd);


  void incrementFine(
                     FArrayBox& a_fineFlux,
                     Real a_scale,
                     const DataIndex& a_fineDataIndex,
                     const Interval& a_srcInterval,
                     const Interval& a_dstInterval,
                     int a_dir,
                     Side::LoHiSide a_sd);


  void reflux(
              LevelData<FArrayBox>& a_uCoarse,
              Real a_scale);


  void reflux(
              LevelData<FArrayBox>& a_uCoarse,
              const Interval& a_coarse_interval,
              const Interval& a_flux_interval,
              Real a_scale);


  bool isDefined() const;

protected:

  // both of these are defined in the coarse index space,
  // but, m_coarFlux uses the coarse grid layout, and
  // m_fineFlux uses the fine grid layout.
  LevelData<FArrayBox> m_coarFlux;
  LevelData<FArrayBox> m_fineFlux;

  //LayoutData<IntVectSet> m_coarseLocations[CH_SPACEDIM*2];
  LayoutData< Vector<Box> > m_coarseLocations[CH_SPACEDIM*2];

  ProblemDomain m_domain;

  bool m_isDefined;

  int m_nRefine;

  Copier m_reverseCopier;

private:

  void operator= (const LevelFluxRegister&);
  LevelFluxRegister(const LevelFluxRegister&);
};
#endif

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