exit(1);
}
- err = MPI_Comm_size(MPI_COMM_WORLD, &size); /* Get nr of tasks */
- err = MPI_Comm_rank(MPI_COMM_WORLD, &rank); /* Get id of this process */
+ MPI_Comm_size(MPI_COMM_WORLD, &size); /* Get nr of tasks */
+ MPI_Comm_rank(MPI_COMM_WORLD, &rank); /* Get id of this process */
if (size % 3 != 0) {
printf("run this program with exactly 3*N processes \n");
MPI_Finalize();