fieldIO_Binary_Parallel.h

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#ifndef FIELDIO_BINARY_PARALLEL_INCLUDED
#define FIELDIO_BINARY_PARALLEL_INCLUDED

#include <string>
using std::string;

#ifdef USE_MPI
#include <mpi.h>
#include "Communicator/MPI/communicator_mpi.h"
#endif

#include "fieldIO.h"

#include "bridgeIO.h"
using Bridge::vout;


#ifdef USE_MPI
class FieldIO_Binary_Parallel : public FieldIO
{
 public:
  static const std::string class_name;

 public:
  FieldIO_Binary_Parallel(const IO_Format::Format *format);
  ~FieldIO_Binary_Parallel();

  void read_file(Field *v, const std::string filename);
  void write_file(Field *v, const std::string filename);

 private:

  bool m_is_initialized;  

  int m_nvol;
  int m_nin_file;
  int m_nex_file;

  MPI_Datatype m_type_vector;     
  MPI_Datatype m_type_tiled;      

  int initialize(const Field *v); 
  int finalize();                 
  int clear_layout();             
};

#else

// for Single version, just an alias of FieldIO_Binary.

class FieldIO_Binary_Parallel : public FieldIO_Binary
{
 public:
  FieldIO_Binary_Parallel(const IO_Format::Format *format) : FieldIO_Binary(format) {}
};
#endif
#endif