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RegGhostBC.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.
//
// DTGraves, Mon, July 19, 1999

#ifndef _REGGHOST_BC_H_
#define _REGGHOST_BC_H_

#include "Box.H"
#include "FArrayBox.H"
#include "REAL.H"
#include "SPACE.H"
#include "Tuple.H"
#include "Interval.H"
#include "Vector.H"
#include "LoHiSide.H"
#include "ProblemDomain.H"


class RegBoxGhostBC
{
public:
  friend class RegDomainGhostBC;

  RegBoxGhostBC():m_components(-1,-1) {};

  RegBoxGhostBC(int            a_dir,
                Side::LoHiSide a_sd);

  RegBoxGhostBC(int             a_dir,
                Side::LoHiSide  a_sd,
                const Interval& a_comps);

  virtual ~RegBoxGhostBC() {};

protected:
  virtual RegBoxGhostBC* newBoxGhostBC() const = 0;

  void define(int            a_dir,
              Side::LoHiSide a_sd);

  void define(int             a_dir,
              Side::LoHiSide  a_sd,
              const Interval& a_comps);

  virtual void applyInhomogeneousBCs(FArrayBox& a_state, 
                                     const Box& a_domain, 
                                     Real       a_dx) const; 

  virtual void applyInhomogeneousBCs(FArrayBox&           a_state, 
                                     const ProblemDomain& a_domain, 
                                     Real                 a_dx) const; 

  virtual void applyHomogeneousBCs(FArrayBox& a_state, 
                                   const Box& a_domain, 
                                   Real       a_dx) const;

  virtual void applyHomogeneousBCs(FArrayBox&           a_state, 
                                   const ProblemDomain& a_domain, 
                                   Real                 a_dx) const;

  virtual void fillBCValues(FArrayBox& a_neumfac,
                            FArrayBox& a_dircfac,
                            FArrayBox& a_inhmval,
                            Real       a_dx,
                            const Box& a_domain) const = 0;

  virtual void applyBCs(const Box&       a_bcBox, 
                        FArrayBox&       a_state,
                        const FArrayBox& a_neumfac,
                        const FArrayBox& a_dircfac,
                        const FArrayBox& a_inhmval,
                        Real             a_dx) const;

  virtual void fillBCValues(FArrayBox&           a_neumfac,
                            FArrayBox&           a_dircfac,
                            FArrayBox&           a_inhmval,
                            Real                 a_dx,
                            const ProblemDomain& a_domain) const = 0;

  Side::LoHiSide m_side;

  int m_direction;

  Interval m_components;

private:
  RegBoxGhostBC(const RegBoxGhostBC&):m_components(-1,-1) {};
  void operator= (const RegBoxGhostBC&) {};
};


class RegDomainGhostBC
{
public:
  RegDomainGhostBC();

  RegDomainGhostBC(const RegDomainGhostBC& a_dgbcin);

  ~RegDomainGhostBC();

  RegDomainGhostBC& operator= (const RegDomainGhostBC& a_dgbcin);

  const RegBoxGhostBC& operator() (int            a_direction,
                                   Side::LoHiSide a_side) const;


  void setBoxGhostBC(const RegBoxGhostBC& a_ghostBC);


  void applyHomogeneousBCs(FArrayBox& a_state,
                           const Box& a_domain, 
                           Real       a_dx) const;


  void applyHomogeneousBCs(FArrayBox&           a_state,
                           const ProblemDomain& a_domain, 
                           Real                 a_dx) const;


  void applyInhomogeneousBCs(FArrayBox& a_state,
                             const Box& a_domain, 
                             Real       a_dx) const;


  void applyInhomogeneousBCs(FArrayBox&           a_state,
                             const ProblemDomain& a_domain, 
                             Real                 a_dx) const;

protected:
  bool isBCDefined(const int            a_dir,
                   const Side::LoHiSide a_side) const;

  void resetBoxGhostBC(const int            a_dir,
                       const Side::LoHiSide a_side);

  Tuple<RegBoxGhostBC*, SpaceDim> m_loGhostBC;
  Tuple<RegBoxGhostBC*, SpaceDim> m_hiGhostBC;
};

#endif

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