- if (n == 0) {
- *newgroup = MPI_GROUP_EMPTY;
- } else if (n == smpi_group_size(group)) {
- *newgroup = group;
- if(group!= smpi_comm_group(MPI_COMM_WORLD)
- && group != MPI_GROUP_NULL
- && group != smpi_comm_group(MPI_COMM_SELF)
- && group != MPI_GROUP_EMPTY)
- smpi_group_use(group);
- } else {
- *newgroup = smpi_group_new(n);
- for (i = 0; i < n; i++) {
- index = smpi_group_index(group, ranks[i]);
- smpi_group_set_mapping(*newgroup, index, i);
- }
- }
- retval = MPI_SUCCESS;
+ retval = smpi_group_incl(group, n, ranks, newgroup);