petsc-3.12.1 2019-10-22
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# ISSetType

Builds a index set, for a particular implementation.

### Synopsis

    #include "petscis.h"
    PetscErrorCode  ISSetType(IS is, ISType method)

Collective on IS

### Input Parameters

| is | - The index set object
| method | - The name of the index set type

### Options Database Key

-is_type <type> -Sets the index set type; use -help for a list of available types

### Notes

See "petsc/include/petscis.h" for available istor types (for instance, ISGENERAL, ISSTRIDE, or ISBLOCK).

Use ISDuplicate() to make a duplicate

### See Also

ISGetType(), ISCreate()

### Level

intermediate

### Location

src/vec/is/is/interface/isreg.c
Index of all IS routines
Table of Contents for all manual pages
Index of all manual pages