:ref:`MPI_Group_free` - Frees a group.
#include <mpi.h>
int MPI_Group_free(MPI_Group *group)
USE MPI
! or the older form: INCLUDE 'mpif.h'
MPI_GROUP_FREE(GROUP, IERROR)
INTEGER GROUP, IERROR
USE mpi_f08
MPI_Group_free(group, ierror)
TYPE(MPI_Group), INTENT(INOUT) :: group
INTEGER, OPTIONAL, INTENT(OUT) :: ierror
group
: Group (handle).
ierror
: Fortran only: Error status (integer).
This operation marks a group
object for deallocation. The handle
group
is set to MPI_GROUP_NULL by the call. Any ongoing
operation using this group
will complete normally.
On return, group
is set to MPI_GROUP_NULL.