mpi_comm_group 57 ompi/mpi/fortran/mpif-h/comm_group_f.c mpi_comm_group, mpi_comm_group 140 ompi/mpi/fortran/mpif-h/prototypes_mpi.h PN2(void, MPI_Comm_group, mpi_comm_group, MPI_COMM_GROUP, (MPI_Fint *comm, MPI_Fint *group, MPI_Fint *ierr));