petsc-3.10.5 2019-03-28
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# PetscSFCompose

Compose a new PetscSF equivalent to action to PetscSFs

### Synopsis

    #include "petscsf.h"
    PetscErrorCode PetscSFCompose(PetscSF sfA, PetscSF sfB, PetscSF *sfBA)

### Input Parameters

| sfA | - The first PetscSF
| sfB | - The second PetscSF

### Output Parameters

sfBA -equvalent PetscSF for applying A then B

### See Also

PetscSF, PetscSFGetGraph(), PetscSFSetGraph()

### 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