rpg/fts/trajectory/RGridTrajectoryReader.h

#ifndef RPG_RGRID_TRAJECTORY_READER_H
#define RPG_RGRID_TRAJECTORY_READER_H
 
/*
* PSCF - Polymer Self-Consistent Field
*
* Copyright 2015 - 2025, The Regents of the University of Minnesota
* Distributed under the terms of the GNU General Public License.
*/
 
#include "TrajectoryReader.h"           // base class
#include <prdc/cuda/RField.h>           // member
#include <util/containers/DArray.h>     // member
#include <iostream>
 
namespace Pscf {
namespace Rpg {
 
   template <int D> class System;
 
   using namespace Util;
   using namespace Pscf::Prdc;
   using namespace Pscf::Prdc::Cuda;

   template <int D>
   class RGridTrajectoryReader : public TrajectoryReader<D>
   {
 
   public:

      RGridTrajectoryReader<D>(System<D>& system);

      virtual ~RGridTrajectoryReader(){};

      void open(std::string filename);

      bool readFrame();

      void close();
      
      void readHeader();
      
   protected:
      void allocate();
            
      System<D>& system();
      
      // Pointer to the parent system.
      System<D>* systemPtr_; 
      
      
   private:
 
      //
      IntVec<D> meshDimensions_;
      
      // Trajectory file.
      std::ifstream inputfile_;
      
      // Read Grid Field configuration      
      DArray< RField<D> > wField_;
      
      // Has the variable been allocated?
      bool isAllocated_;
        
 
   }; 
   
   // Get the parent system.
   template <int D>
   inline System<D>& RGridTrajectoryReader<D>::system()
   {  return *systemPtr_; }
 
   // Explicit instantiation declarations
   extern template class RGridTrajectoryReader<1>;
   extern template class RGridTrajectoryReader<2>;
   extern template class RGridTrajectoryReader<3>;
   
}
}
#endif