ExtrapFillPatch.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,
// is provided ``as is'', with no warranties of any kind
// whatsoever, no support, no promise of updates, or printed
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//

#ifndef _EXTRAP_FILL_PATCH_H_
#define _EXTRAP_FILL_PATCH_H_

class Box;
#include "Interval.H"
#include "SPACE.H"
#include "FArrayBox.H"
#include "LayoutData.H"
#include "ProblemDomain.H"
#include "IntVectSet.H"
//

class ExtrapFillPatch
{
public:


  ExtrapFillPatch();


  ~ExtrapFillPatch();


  ExtrapFillPatch(
    const DisjointBoxLayout& a_level_domain,
    const Box& a_problem_domain,
    const Interval& a_extrap_interval
    );




  ExtrapFillPatch(
    const DisjointBoxLayout& a_level_domain,
    const ProblemDomain& a_problem_domain,
    const Interval& a_extrap_interval
    );


  void
  define(
    const DisjointBoxLayout& a_level_domain,
    const Box& a_problem_domain,
    const Interval& a_extrap_interval
    );



  void
  define(
    const DisjointBoxLayout& a_level_domain,
    const ProblemDomain& a_problem_domain,
    const Interval& a_extrap_interval
    );


  bool
  isDefined() const;


  void
  fillExtrap(
    LevelData<FArrayBox>& a_data,
    int a_dir,
    int a_dest_comp,
    int a_num_comp
    );

  //  void
  //  printIntVectSets() const;

protected:
  bool m_is_defined;
// locations of ghost cells on the low side of the grid to extrapolate to.
  LayoutData<IntVectSet> m_lo_extrap[SpaceDim];
// locations of ghost cells on the high side of the grid to extrapolate to.
  LayoutData<IntVectSet> m_hi_extrap[SpaceDim];
// interval of ghost cells to extrapolate, where 0 are the ghost cells
// directly adjacent to the valid domain, and increasing outwards.
  Interval m_extrap_interval;
};

#endif

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