LoHiSide.H

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

#ifndef _LOHISIDE_H_
#define _LOHISIDE_H_
#include "BaseNamespaceHeader.H"


class Side
{
public:

  enum LoHiSide {Invalid=-1, Lo=0, Hi, NUMSIDES};

  Side()
  {}

  ~Side()
  {}


  friend Side::LoHiSide flip(Side::LoHiSide a_side);

  static Side::LoHiSide flip(Side::LoHiSide a_side);


  friend
  int sign(Side::LoHiSide a_side);
};

// needs a declaration outside the class (Stroustrup 11.5.1)
int sign(Side::LoHiSide a_side);


class SideIterator
{
public:

  SideIterator();


  ~SideIterator()
  {}



  void begin();


  void reset()
  {
    begin();
  }


  void next();


  void operator ++ ();



  Side::LoHiSide operator () () const;


  bool ok() const;


private:
  int m_current;
};

#include "BaseNamespaceFooter.H"
#endif

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