:orphan:
# ISGeneralSetIndices
Sets the indices for an `ISGENERAL` index set 
## Synopsis
```
#include "petscis.h"  
PetscErrorCode ISGeneralSetIndices(IS is, PetscInt n, const PetscInt idx[], PetscCopyMode mode)
```
Logically Collective


## Input Parameters

- ***is -*** the index set
- ***n -*** the length of the index set
- ***idx -*** the list of integers
- ***mode -*** see `PetscCopyMode` for meaning of this flag.





## Note
Use `ISCreateGeneral()` to create the `IS` and set its indices in a single function call


## See Also
 [](sec_scatter), `IS`, `ISBLOCK`, `ISCreateGeneral()`, `ISGeneralSetIndicesFromMask()`, `ISBlockSetIndices()`, `ISGENERAL`, `PetscCopyMode`

## Level
beginner

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/vec/is/is/impls/general/general.c.html#ISGeneralSetIndices">src/vec/is/is/impls/general/general.c</A>

## Implementations

<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/vec/is/is/impls/general/general.c.html#ISGeneralSetIndices_General">ISGeneralSetIndices_General in src/vec/is/is/impls/general/general.c</A><BR>


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


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