/*D
   MPI_Comm_create - Creates a new communicator

Synopsis:
.vb
int MPI_Comm_create(MPI_Comm comm, MPI_Group group, MPI_Comm *newcomm)
.ve

Input Parameters:
+ comm - communicator (handle)
- group - group, which is a subset of the group of comm (handle)

Output Parameters:
. newcomm - new communicator (handle)

.N ThreadSafe

.N Fortran

.N Errors
.N MPI_SUCCESS
.N MPI_ERR_ARG
.N MPI_ERR_COMM
.N MPI_ERR_GROUP
.N MPI_ERR_OTHER

.seealso: MPI_Comm_free
D*/

