/*D
   MPI_Intercomm_create_from_groups - Create an intercommuncator from local and remote groups

Synopsis:
.vb
int MPI_Intercomm_create_from_groups(MPI_Group local_group, int local_leader,
                                     MPI_Group remote_group, int remote_leader,
                                     const char *stringtag, MPI_Info info,
                                     MPI_Errhandler errhandler,
                                     MPI_Comm *newintercomm)
.ve

Input Parameters:
+ local_group - local group (handle)
. local_leader - rank of local group leader in local_group (integer)
. remote_group - remote group, significant only at local_leader (handle)
. remote_leader - rank of remote group leader in remote_group, significant only at local_leader (integer)
. stringtag - unique idenitifier for this operation (string)
. info - info object (handle)
- errhandler - error handler to be attached to new inter-communicator (handle)

Output Parameters:
. newintercomm - new inter-communicator (handle)

.N ThreadSafe

.N Fortran

.N Errors
.N MPI_SUCCESS
.N MPI_ERR_ARG
.N MPI_ERR_ERRHANDLER
.N MPI_ERR_GROUP
.N MPI_ERR_INFO
.N MPI_ERR_OTHER

D*/

