ISSorted#

Checks the indices to determine whether they have been sorted.

Synopsis#

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

Not Collective

Input Parameter#

is - the index set

Output Parameter#

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

Note#

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

Level#

intermediate

Location#

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

Implementations#

ISSorted_Block in src/vec/is/is/impls/block/block.c
ISSorted_General in src/vec/is/is/impls/general/general.c
ISSorted_Stride in src/vec/is/is/impls/stride/stride.c

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Index of all IS routines
Table of Contents for all manual pages
Index of all manual pages