# PetscSFReset
Reset a star forest so that different sizes or neighbors can be used 
## Synopsis
```
#include "petscsf.h" 
PetscErrorCode PetscSFReset(PetscSF sf)
```
Collective


## Input Parameter

- ***sf -*** star forest





## See Also
 `PetscSF`, `PetscSFCreate()`, `PetscSFSetGraph()`, `PetscSFDestroy()`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/vec/is/sf/interface/sf.c.html#PetscSFReset">src/vec/is/sf/interface/sf.c</A>

## Implementations

<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/vec/is/sf/impls/basic/allgatherv/sfallgatherv.c.html#PetscSFReset_Allgatherv">PetscSFReset_Allgatherv in src/vec/is/sf/impls/basic/allgatherv/sfallgatherv.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/vec/is/sf/impls/basic/neighbor/sfneighbor.c.html#PetscSFReset_Neighbor">PetscSFReset_Neighbor in src/vec/is/sf/impls/basic/neighbor/sfneighbor.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/vec/is/sf/impls/basic/sfbasic.c.html#PetscSFReset_Basic">PetscSFReset_Basic in src/vec/is/sf/impls/basic/sfbasic.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/vec/is/sf/impls/window/sfwindow.c.html#PetscSFReset_Window">PetscSFReset_Window in src/vec/is/sf/impls/window/sfwindow.c</A><BR>


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


[Index of all PetscSF routines](index.md)  
[Table of Contents for all manual pages](/docs/manualpages/index.md)  
[Index of all manual pages](/docs/manualpages/singleindex.md)  
