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Stencils.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
// 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.
//

#ifndef _STENCILS_H_
#define _STENCILS_H_

#include "Vector.H"
#include "VolIndex.H"
#include "FaceIndex.H"
#include "REAL.H"


class VoFStencil 
{
public:

  VoFStencil();

  ~VoFStencil();

  void clear();


  void
  add(const VolIndex& vof,const Real& weight);


  int
  size() const;


  const VolIndex&
  vof(int i) const;


  const Real&
  weight(int i) const;


  VoFStencil&
  operator+=(const VoFStencil& a_vofsten);



  void operator*=(const Real& scaling);

  VoFStencil&
  operator=(const VoFStencil& a_vofsten);

  VoFStencil(const VoFStencil& a_vofstenin);

  bool isDefined() const;

protected:

  bool m_isDefined;
  Vector<VolIndex> vofs;
  Vector<Real> weights;
};



class FaceStencil 
{
public:
  FaceStencil();

  ~FaceStencil();

  void clear();


  void
  add(const FaceIndex& face,const Real& weight);


  int
  size() const;


  const FaceIndex&
  face(int i) const;


  const Real&
  weight(int i) const;


  FaceStencil&
  operator+=(const FaceStencil& a_facesten);

  FaceStencil&
  operator=(const FaceStencil& a_facesten);

  FaceStencil(const FaceStencil& a_facesten);


  void operator*=(const Real& scaling);

private:
  Vector<FaceIndex> faces;
  Vector<Real> weights;
};

#endif

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