PETSc version 3.16.6
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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

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

Index of all IS routines
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