ISShift#

Shift all indices by given offset

Synopsis#

#include "petscis.h" 
PetscErrorCode ISShift(IS is, PetscInt offset, IS isy)

Collective

Input Parameters#

  • is - the index set

  • offset - the offset

Output Parameter#

  • isy - the shifted copy of the input index set

Notes#

The offset can be different across processes.

is and isy can be the same.

See Also#

ISDuplicate(), ISCopy()

Level#

beginner

Location#

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

Implementations#

ISShift_Block() in src/vec/is/is/impls/block/block.c
ISShift_General() in src/vec/is/is/impls/general/general.c
ISShift_Stride() in src/vec/is/is/impls/stride/stride.c


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