:orphan:
# 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
src/vec/is/sf/interface/sf.c
## Implementations
PetscSFReset_Allgatherv in src/vec/is/sf/impls/basic/allgatherv/sfallgatherv.c
PetscSFReset_Neighbor in src/vec/is/sf/impls/basic/neighbor/sfneighbor.c
PetscSFReset_Basic in src/vec/is/sf/impls/basic/sfbasic.c
PetscSFReset_Window in src/vec/is/sf/impls/window/sfwindow.c
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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](/manualpages/index.md)
[Index of all manual pages](/manualpages/singleindex.md)