ExtrapFillPatch.H

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#ifdef CH_LANG_CC
/*
*      _______              __
*     / ___/ /  ___  __ _  / /  ___
*    / /__/ _ \/ _ \/  V \/ _ \/ _ \
*    \___/_//_/\___/_/_/_/_.__/\___/
*    Please refer to Copyright.txt, in Chombo's root directory.
*/
#endif

#ifndef _EXTRAPFILLPATCH_H_
#define _EXTRAPFILLPATCH_H_

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

//

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;
};

#include "NamespaceFooter.H"
#endif

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