petsc-3.10.5 2019-03-28
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# ISSetPermutation

Informs the index set that it is a permutation.

### Synopsis

    #include "petscis.h"
    PetscErrorCode  ISSetPermutation(IS is)

Logically Collective on IS

### Input Parmeters

is -the index set

The debug version of the libraries (./configure --with-debugging=1) checks if the index set is actually a permutation. The optimized version just believes you.

### See Also

ISPermutation()

### Level

intermediate

### Location

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