:orphan:
# PCBDDCSetLevels
Sets the maximum number of additional levels allowed for multilevel `PCBDDC` 
## Synopsis
```
#include "petscpc.h" 
PetscErrorCode PCBDDCSetLevels(PC pc, PetscInt levels)
```
Logically Collective


## Input Parameters

- ***pc -*** the preconditioning context
- ***levels -*** the maximum number of levels



## Options Database Key

- ***-pc_bddc_levels <int> -*** Set maximum number of levels for multilevel





## Note
The default value is 0, that gives the classical two-levels BDDC algorithm


## See Also
 `PCBDDC`, `PCBDDCSetCoarseningRatio()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/pc/impls/bddc/bddc.c.html#PCBDDCSetLevels">src/ksp/pc/impls/bddc/bddc.c</A>

## Implementations

<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/pc/impls/bddc/bddc.c.html#PCBDDCSetLevels_BDDC">PCBDDCSetLevels_BDDC in src/ksp/pc/impls/bddc/bddc.c</A><BR>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/ksp/pc/impls/bddc/bddc.c)


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