DMGetCoarsenLevel — PETSc 3.21.4 documentation

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# DMGetCoarsenLevel

Gets the number of coarsenings that have generated this `DM`.

## Synopsis

    #include "petscdm.h"
    #include "petscdmlabel.h"
    #include "petscds.h"
    PetscErrorCode DMGetCoarsenLevel(DM dm, PetscInt *level)

Not Collective

## Input Parameter

- dm - the `DM` object

## Output Parameter

- level - number of coarsenings

## See Also

DM Basics, `DM`, `DMCoarsen()`, `DMSetCoarsenLevel()`, `DMGetRefineLevel()`, `DMDestroy()`, `DMView()`, `DMCreateGlobalVector()`, `DMCreateInterpolation()`

## Level

developer

## Location

src/dm/interface/dm.c

## Examples

src/ts/tutorials/ex30.c
src/snes/tutorials/ex48.c

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