parallel/pico/FieldExchanger.hpp

// -*- C++ -*-
//
//  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
//                                   Fehmi Cirak
//                        California Institute of Technology
//                           (C) 2004 All Rights Reserved
//
//  <LicenseText>
//
//  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// EDITED BY MATT GALLOWAY FOR USE WITH DAPTA

#ifndef __FIELDEXCHANGER_HPP__
#define __FIELDEXCHANGER_HPP__

#include "DomainCoupler.hpp"

#include <vector>
#include <functional>
#include <cassert>

namespace DAPTA { // Define namespace DAPTA

namespace pico { // Define namespace pico

template <typename V>
class FieldExchanger {
   public:
      typedef V                             VertexType;
      typedef V*                            VertexHandle;
      
      FieldExchanger(DomainCoupler<V>* coupler, std::vector<int>::iterator lGBegin, int nodes);
      ~FieldExchanger() {;}
      
      template <int NVAR, typename FT, template <typename> class OP>
      void exchange(FT *field, int fsize);
   
   private:
      // copy and equality constructor
      FieldExchanger(const FieldExchanger<V> &);
      const FieldExchanger & operator=(const FieldExchanger<V> &);
   
   private:
      // mapping from imported node id's to local node id's
      std::vector<int>  _importedNodeIDs;
      
      // domain coupler instance which handles the communication
      DomainCoupler<V> *_coupler;
};

} // namespace pico

} // namespace DAPTA

#include "FieldExchanger.cpp"

#endif

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