/* 
Jonathan Hauenstein - University of Notre Dame
Center for Applied Mathematics Minicourse on Parallel Computing
April 24, May 1, May 8, 2008
Sample programs are designed for educational use 
*/

#include <stdio.h>
#include <mpi.h>

int main(int argc, char **argv)
{ 
  int my_id, num_proc;

  // initialize MPI
  MPI_Init(&argc, &argv);

  // find unique id
  MPI_Comm_rank(MPI_COMM_WORLD, &my_id);

  // find the number of processes running
  MPI_Comm_size(MPI_COMM_WORLD, &num_proc);

  printf("Hello world from %d of %d!\n", my_id, num_proc);

  // finalize MPI
  MPI_Finalize();

  return 0;
}