PCPatchGetCellNumbering — PETSc 3.25.4 documentation

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# PCPatchGetCellNumbering

Get the `PetscSection` that provides the numbering of the cells used to define patches in a `PCPATCH` preconditioner

## Synopsis

    #include "petscpc.h"
    #include "petscmat.h"
    PetscErrorCode PCPatchGetCellNumbering(PC pc, PetscSection *cellNumbering)

Not Collective

## Input Parameter

- pc - the `PCPATCH` preconditioner

## Output Parameter

- cellNumbering - the `PetscSection` giving the cell numbering

## See Also

KSP: Linear System Solvers, `PCPATCH`, `PCPatchSetCellNumbering()`, `PetscSection`

## Level

advanced

## Location

src/ksp/pc/impls/patch/pcpatch.c

Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages