Plan.h

#ifndef DDMD_PLAN_H
#define DDMD_PLAN_H

/*
* Simpatico - Simulation Package for Polymeric and Molecular Liquids
*
* Copyright 2010 - 2017, The Regents of the University of Minnesota
* Distributed under the terms of the GNU General Public License.
*/

#include <iostream>

namespace DdMd
{

   class Plan
   {

   public:

      Plan() :
       flags_(0)
      {}

      void setExchange(int i, int j)
      {  flags_ |= EMask[i][j]; }
 
      void clearExchange(int i, int j)
      {  flags_ &= (~EMask[i][j]); }
 
      void setGhost(int i, int j)
      {  flags_ |= GMask[i][j]; }
 
      void clearGhost(int i, int j)
      {  flags_ &= (~GMask[i][j]); }

      void setFlags(unsigned int flags)
      {  flags_ = flags; }

      void clearFlags()
      {  flags_ = 0; }
 
      bool exchange(int i, int j) const
      {  return bool(flags_ & EMask[i][j]); }
 
      bool ghost(int i, int j) const
      {  return bool(flags_ & GMask[i][j]); }
 
      unsigned int flags() const
      {  return flags_; }

   private:

      unsigned int flags_;

      static unsigned int EMask[3][2];

      static unsigned int GMask[3][2];
  
   //friends:

      friend std::istream& operator >> (std::istream& in, Plan &plan);
      friend std::ostream& operator << (std::ostream& out, const Plan &plan);
 
   };

   std::istream& operator>>(std::istream& in, Plan &plan);

   std::ostream& operator<<(std::ostream& out, const Plan &plan);

}
#endif