dup_test.cc

MPICH是MPI的重要研究,提供了一系列的接口函数,为并行计算的实现提供了编程环境.

// Copyright 1997-2000, University of Notre Dame.
// Authors: Jeremy G. Siek, Jeffery M. Squyres, Michael P. McNally, and
//          Andrew Lumsdaine
// 
// This file is part of the Notre Dame C++ bindings for MPI.
// 
// You should have received a copy of the License Agreement for the Notre
// Dame C++ bindings for MPI along with the software; see the file
// LICENSE.  If not, contact Office of Research, University of Notre
// Dame, Notre Dame, IN 46556.
// 
// Permission to modify the code and to distribute modified code is
// granted, provided the text of this NOTICE is retained, a notice that
// the code was modified is included with the above COPYRIGHT NOTICE and
// with the COPYRIGHT NOTICE in the LICENSE file, and that the LICENSE
// file is distributed with the modified code.
// 
// LICENSOR MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED.
// By way of example, but not limitation, Licensor MAKES NO
// REPRESENTATIONS OR WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY
// PARTICULAR PURPOSE OR THAT THE USE OF THE LICENSED SOFTWARE COMPONENTS
// OR DOCUMENTATION WILL NOT INFRINGE ANY PATENTS, COPYRIGHTS, TRADEMARKS
// OR OTHER RIGHTS.
// 
// Additional copyrights may follow.
// I made this.
#include "mpi2c++_test.h"

void
dup_test()
{
  char msg[150];
  int duprank;
  int dupsize;
  MPI::Intracomm dupcomm;

  dupcomm = MPI::COMM_NULL;

  Testing("Dup");

  dupcomm = MPI::COMM_WORLD.Dup();
    
  duprank = dupcomm.Get_rank();
  if(duprank != my_rank) {
    sprintf(msg, "NODE %d - 1) ERROR in Intracomm.Dip(), rank = %d, should be %d", my_rank, duprank, my_rank);
    Fail(msg);
  }

  dupsize = dupcomm.Get_size();
  if(dupsize != comm_size) {
    sprintf(msg, "NODE %d - 1) ERROR in Intracomm.Dip(), size = %d, should be %d", comm_size, dupsize, comm_size);
    Fail(msg);
  }

  Pass(); // Dup

  if (dupcomm != MPI::COMM_NULL)
    dupcomm.Free();
}