- MPI_Group group = smpi_group_new(1);
- data->comm_self = smpi_comm_new(group, nullptr);
- smpi_group_set_mapping(group, smpi_process_index(), 0);
+ MPI_Group group = new simgrid::SMPI::Group(1);
+ data->comm_self = new simgrid::SMPI::Comm(group, nullptr);
+ group->set_mapping(smpi_process_index(), 0);