colvarproxy_replicas.h

// -*- c++ -*-
 
// This file is part of the Collective Variables module (Colvars).
// The original version of Colvars and its updates are located at:
// https://github.com/Colvars/colvars
// Please update all Colvars source files before making any changes.
// If you wish to distribute your changes, please submit them to the
// Colvars repository at GitHub.
 
#ifndef COLVARPROXY_REPLICAS_H
#define COLVARPROXY_REPLICAS_H
 
 
#ifdef COLVARS_MPI
#include <mpi.h>
typedef MPI_Comm replicas_mpi_comm_t;
#else
typedef void * replicas_mpi_comm_t;
#endif
 

class colvarproxy_replicas {
 
public:

  colvarproxy_replicas();

  virtual ~colvarproxy_replicas();

  virtual void set_replicas_mpi_communicator(replicas_mpi_comm_t comm);

  virtual int check_replicas_enabled();

  virtual int replica_index();

  virtual int num_replicas();

  virtual void replica_comm_barrier();

  virtual int replica_comm_recv(char* msg_data, int buf_len, int src_rep);

  virtual int replica_comm_send(char* msg_data, int msg_len, int dest_rep);
 
protected:

  replicas_mpi_comm_t replicas_mpi_comm;

  int replicas_mpi_rank = 0;

  int replicas_mpi_num = 1;
};
 
#endif