petsc-3.7.3 2016-07-24
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# ISSorted

Checks the indices to determine whether they have been sorted.

### Synopsis

    #include "petscis.h"
    PetscErrorCode  ISSorted(IS is,PetscBool  *flg)

Collective on IS

### Input Parameter

is -the index set

### Output Parameter

flg -output flag, either PETSC_TRUE if the index set is sorted, or PETSC_FALSE otherwise.

Notes: For parallel IS objects this only indicates if the local part of the IS is sorted. So some processors may return PETSC_TRUE while others may return PETSC_FALSE.

### See Also

ISSort(), ISSortRemoveDups()

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