PETSc version 3.17.4
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# ISDuplicate

Creates a duplicate copy of an index set.

### Synopsis

    #include "petscis.h"
    PetscErrorCode  ISDuplicate(IS is,IS *newIS)

Collective on IS

### Input Parameter

| is | - the index set

### Output Parameter

| isnew | - the copy of the index set

### See Also

ISCreateGeneral(), ISCopy()

### Level

beginner

### Location

src/vec/is/is/interface/index.c

### Examples

src/dm/impls/plex/tutorials/ex10.c.html
src/ksp/ksp/tutorials/ex81.c.html

### Implementations

ISDuplicate_Block in src/vec/is/is/impls/block/block.c
ISDuplicate_General in src/vec/is/is/impls/general/general.c
ISDuplicate_Stride in src/vec/is/is/impls/stride/stride.c
Index of all IS routines
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Index of all manual pages