petsc-3.7.3 2016-07-24
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# PetscSubcommSetNumber

Set total number of subcommunicators.

### Synopsis

    #include "petscsys.h"
    PetscErrorCode  PetscSubcommSetNumber(PetscSubcomm psubcomm,PetscInt nsubcomm)

Collective on MPI_Comm

### Input Parameter

| psubcomm | - PetscSubcomm context
| nsubcomm | - the total number of subcommunicators in psubcomm

### Keywords

communicator

### See Also

PetscSubcommCreate(),PetscSubcommDestroy(),PetscSubcommSetType(),PetscSubcommSetTypeGeneral()

Level:advanced
Location: src/sys/objects/subcomm.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages

### Examples

src/sys/examples/tutorials/ex15.c.html