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package mpi.group;
import mpjdev.*;
import mpjbuf.*;
import mpi.*;
import java.util.Arrays;
public class Group_excl {
public static void main(String args[]) throws Exception {
try {
Group_excl a = new Group_excl(args);
}
catch (Exception e) {
}
}
public Group_excl() {
}
public Group_excl(String[] args) throws Exception {
MPI.Init(args);
mpi.Group grp = MPI.COMM_WORLD.Group();
int me = grp.Rank();
int tasks = grp.Size();
if (tasks < 8) {
if (me == 0)
System.out.println("group->Group_excl: MUST RUN with 8 tasks");
MPI.COMM_WORLD.Barrier();
MPI.Finalize();
return;
}
int[] excl = { 5, 6, 0, 2, 3 };
mpi.Group ngrp = grp.Excl(excl);
if (ngrp.Size() != 3) {
System.out.println(" Error(1): ...");
}
MPI.COMM_WORLD.Barrier();
if (me == 0)
System.out.println("Group_excl TEST COMPLETED");
MPI.Finalize();
}
}
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