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//
// Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
// University Research and Technology
// Corporation. All rights reserved.
// Copyright (c) 2006 Cisco Systems, Inc. All rights reserved.
//
// Sample MPI "hello world" application in C++
//
// NOTE: The MPI C++ bindings were deprecated in MPI-2.2 and removed
// from the standard in MPI-3. Open MPI still provides C++ MPI
// bindings, but they are no longer built by default (and may be
// removed in a future version of Open MPI). You must
// --enable-mpi-cxx when configuring Open MPI to enable the MPI C++
// bindings.
//
#include "mpi.h"
#include <iostream>
int main(int argc, char **argv)
{
int rank, size, len;
char version[MPI_MAX_LIBRARY_VERSION_STRING];
MPI::Init();
rank = MPI::COMM_WORLD.Get_rank();
size = MPI::COMM_WORLD.Get_size();
MPI_Get_library_version(version, &len);
std::cout << "Hello, world! I am " << rank << " of " << size
<< "(" << version << ", " << len << ")" << std::endl;
MPI::Finalize();
return 0;
}
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