NodeFArrayBox.H

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//
// This software is copyright (C) by the Lawrence Berkeley
// National Laboratory.  Permission is granted to reproduce
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// this notice is left intact.
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// NodeFArrayBox.H
// adapted from dMartin/Chombo-IAMR/util/FluxBox.H
// by Dan Martin, Fri, Jan 14, 2000
// petermc, 1 Nov 2000
// 8 Jan 2001 added 

#ifndef NODEFARRAYBOX_H
#define NODEFARRAYBOX_H

#include "FArrayBox.H"


class NodeFArrayBox
{

public:



  NodeFArrayBox();


  NodeFArrayBox(const Box& a_bx, int a_nComp, Real* a_alias = NULL);


  NodeFArrayBox(const Interval& a_comps, NodeFArrayBox& a_original);


  ~NodeFArrayBox();


  void define(const Box& a_bx, int a_nComp=1);



  const Box& box() const;


  FArrayBox& getFab();


  const FArrayBox& getFab() const;



  void copy(const NodeFArrayBox& a_src);


  void copy(const Box& a_regionFrom,
            const Interval& a_Cdest,
            const Box& a_regionTo,
            const NodeFArrayBox& a_src,
            const Interval& a_Csrc);

  

  int size(const Box& a_R, const Interval& a_comps) const;


  void linearOut(void* a_buf, const Box& a_R, const Interval& a_comps) const;

  void linearIn(void* a_buf, const Box& a_R, const Interval& a_comps);


  void linearOut(void* a_buf) const;
  void linearIn(const void* const a_buf);
  int linearSize(void) const;

  static int preAllocatable() {return 0;}

protected:

  // CELL-centered box. data are defined on the surrounding nodes.
  Box m_box;

  // NODE-centered data
  FArrayBox m_fab;

private:
  
  NodeFArrayBox (const NodeFArrayBox&);
  NodeFArrayBox& operator = (const NodeFArrayBox&);

};

#endif

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