:orphan:
# PCASMDestroySubdomains
Destroys the index sets created with `PCASMCreateSubdomains()`. Should be called after setting subdomains with `PCASMSetLocalSubdomains()`. 
## Synopsis
```
#include "petscpc.h" 
PetscErrorCode PCASMDestroySubdomains(PetscInt n, IS is[], IS is_local[])
```
Collective


## Input Parameters

- ***n -*** the number of index sets
- ***is -*** the array of index sets
- ***is_local -*** the array of local index sets, can be `NULL`





## See Also
 `PCASM`, `PCASMCreateSubdomains()`, `PCASMSetLocalSubdomains()`

## Level
advanced

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

## Examples
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/ksp/tutorials/ex19.c.html">src/ksp/ksp/tutorials/ex19.c</A><BR>


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[Index of all PC routines](index.md)  
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[Index of all manual pages](/manualpages/singleindex.md)