# ISRegisterAll
Registers all of the index set components in the `IS` package. 
## Synopsis
```
#include "petscis.h"  
PetscErrorCode ISRegisterAll(void)
```
Not Collective




## See Also
 [](sec_scatter), `IS`, `ISType`, `ISRegister()`

## Level
advanced

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


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


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