petsc-3.14.5 2021-03-03
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# PetscSFGetLeafRange

Get the active leaf ranges

### Synopsis

    #include "petscsf.h"
    PetscErrorCode PetscSFGetLeafRange(PetscSF sf,PetscInt *minleaf,PetscInt *maxleaf)

Not Collective

### Input Arguments

| sf | - star forest

### Output Arguments

| minleaf | - minimum active leaf on this process. Return 0 if there are no leaves.
| maxleaf | - maximum active leaf on this process. Return -1 if there are no leaves.

### See Also

PetscSFCreate(), PetscSFView(), PetscSFSetGraph(), PetscSFGetGraph()

### Level

developer

### Location

src/vec/is/sf/interface/sf.c
Index of all PetscSF routines
Table of Contents for all manual pages
Index of all manual pages