- build_tree(rank, size, &tree);
- tree_antibcast(&dummy, 1, MPI_CHAR, 0, comm, tree);
- tree_bcast(&dummy, 1, MPI_CHAR, 0, comm, tree);
+ build_tree(0, rank, size, &tree);
+ tree_antibcast(&dummy, 1, MPI_CHAR, comm, tree);
+ tree_bcast(&dummy, 1, MPI_CHAR, comm, tree);