static char MTEST_Descrip[] = "Get the group of an intercommunicator";
*/
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
{
int errs = 0;
int rank, size, grank, gsize;
- int minsize = 2, isleft;
- MPI_Comm comm;
- MPI_Group group;
+ int minsize = 2, isleft;
+ MPI_Comm comm;
+ MPI_Group group;
- MTest_Init( &argc, &argv );
+ MTest_Init(&argc, &argv);
- /* The following illustrates the use of the routines to
- run through a selection of communicators and datatypes.
- Use subsets of these for tests that do not involve combinations
- of communicators, datatypes, and counts of datatypes */
- while (MTestGetIntercomm( &comm, &isleft, minsize )) {
- if (comm == MPI_COMM_NULL) continue;
- /* Determine the sender and receiver */
- MPI_Comm_rank( comm, &rank );
- MPI_Comm_size( comm, &size );
- MPI_Comm_group( comm, &group );
- MPI_Group_rank( group, &grank );
- MPI_Group_size( group, &gsize );
- if (rank != grank) {
- errs++;
- fprintf( stderr, "Ranks of groups do not match %d != %d\n",
- rank, grank );
- }
- if (size != gsize) {
- errs++;
- fprintf( stderr, "Sizes of groups do not match %d != %d\n",
- size, gsize );
- }
- MPI_Group_free( &group );
- MTestFreeComm( &comm );
+ /* The following illustrates the use of the routines to
+ * run through a selection of communicators and datatypes.
+ * Use subsets of these for tests that do not involve combinations
+ * of communicators, datatypes, and counts of datatypes */
+ while (MTestGetIntercomm(&comm, &isleft, minsize)) {
+ if (comm == MPI_COMM_NULL)
+ continue;
+ /* Determine the sender and receiver */
+ MPI_Comm_rank(comm, &rank);
+ MPI_Comm_size(comm, &size);
+ MPI_Comm_group(comm, &group);
+ MPI_Group_rank(group, &grank);
+ MPI_Group_size(group, &gsize);
+ if (rank != grank) {
+ errs++;
+ fprintf(stderr, "Ranks of groups do not match %d != %d\n", rank, grank);
+ }
+ if (size != gsize) {
+ errs++;
+ fprintf(stderr, "Sizes of groups do not match %d != %d\n", size, gsize);
+ }
+ MPI_Group_free(&group);
+ MTestFreeComm(&comm);
}
- MTest_Finalize( errs );
+ MTest_Finalize(errs);
MPI_Finalize();
return 0;
}
