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# PetscSectionPermute
Reorder the section according to the input point permutation 
## Synopsis
```
#include "petscsection.h"   
PetscErrorCode PetscSectionPermute(PetscSection section, IS permutation, PetscSection *sectionNew)
```
Collective


## Input Parameters

- ***section -*** The `PetscSection` object
- ***perm -*** The point permutation, old point p becomes new point perm[p]



## Output Parameter

- ***sectionNew -*** The permuted `PetscSection`





## Note
The data and the access to the data via `PetscSectionGetFieldOffset()` and `PetscSectionGetOffset()` are both changed in `sectionNew`

Compare to `PetscSectionSetPermutation()`


## See Also
 [PetscSection](sec_petscsection), `IS`, `PetscSection`, `MatPermute()`, `PetscSectionSetPermutation()`

## Level
intermediate

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


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


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