petsc-3.14.5 2021-03-03
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# PCMGGetLevels

Gets the number of levels to use with MG.

### Synopsis

    #include "petscksp.h"
    PetscErrorCode PCMGGetLevels(PC pc,PetscInt *levels)

Not Collective

### Input Parameter

| pc | - the preconditioner context

### Output parameter

| levels | - the number of levels

### See Also

PCMGSetLevels()

### Level

advanced

### Location

src/ksp/pc/impls/mg/mg.c

### Examples

src/snes/tutorials/ex12.c.html

### Implementations

PCMGGetLevels_MG in src/ksp/pc/impls/mg/mg.c
Index of all PC routines
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Index of all manual pages