fieldIO_LIME_MPIIO.h

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#ifndef FIELDIO_LIME_MPIIO_INCLUDED
#define FIELDIO_LIME_MPIIO_INCLUDED

#ifdef USE_MPI
#include <mpi.h>
#ifdef USE_BGNET
#include "communicator_bgnet.h"
#else
#include "communicator_mpi.h"
#endif
#endif

#include "fieldIO.h"

#include "bridgeIO.h"


#ifdef USE_MPI

class FieldIO_LIME_MPIIO : public FieldIO
{
 public:
  static const std::string class_name;

 public:
  FieldIO_LIME_MPIIO(const IO_Format::Format *format) : FieldIO(format), m_is_initialized(false) {}

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

 private:

  bool m_is_initialized;  

  int m_nvol;

  MPI_Datatype m_type_vector; 
  MPI_Datatype m_type_tiled;  

  int initialize();           
  int finalize();             
};

#else

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

class FieldIO_LIME_MPIIO : public FieldIO_LIME
{
 public:
  FieldIO_LIME_MPIIO(const IO_Format::Format *format) : FieldIO_LIME(format) {}
};
#endif /* USE_MPI */
#endif /* GAUGECONFIG_ILDG_INCLUDED */