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# PetscLayoutSetLocalSize
Sets the local size for a `PetscLayout` object. 
## Synopsis
```
#include "petscis.h" 
PetscErrorCode PetscLayoutSetLocalSize(PetscLayout map, PetscInt n)
```
Collective


## Input Parameters

- ***map -*** pointer to the map
- ***n -*** the local size





## See Also
 [PetscLayout](sec_matlayout), `PetscLayoutCreate()`, `PetscLayoutSetSize()`, `PetscLayoutGetSize()`, `PetscLayoutGetLocalSize()`, `PetscLayoutSetUp()`
`PetscLayoutGetRange()`, `PetscLayoutGetRanges()`, `PetscLayoutSetBlockSize()`, `PetscLayoutGetBlockSize()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/vec/is/utils/pmap.c.html#PetscLayoutSetLocalSize">src/vec/is/utils/pmap.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/vec/is/utils/pmap.c)


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