ISGetIndices#

Returns a pointer to the indices. The user should call ISRestoreIndices() after having looked at the indices. The user should NOT change the indices.

Synopsis#

#include "petscis.h" 
PetscErrorCode ISGetIndices(IS is, const PetscInt *ptr[])

Not Collective

Input Parameter#

  • is - the index set

Output Parameter#

  • ptr - the location to put the pointer to the indices

Fortran Note#

ISGetIndices() Fortran binding is deprecated (since PETSc 3.19), use ISGetIndicesF90()

See Also#

IS, ISRestoreIndices(), ISGetIndicesF90()

Level#

intermediate

Location#

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

Examples#

src/vec/vec/utils/tagger/tutorials/ex1.c.html
src/vec/is/is/tutorials/ex1.c.html
src/vec/is/is/tutorials/ex2.c.html
src/vec/is/is/tutorials/ex3.c.html
src/dm/impls/plex/tutorials/ex10.c.html
src/dm/tutorials/ex22.c.html
src/dm/tutorials/swarm_ex3.c.html
src/ksp/ksp/tutorials/ex19.c.html
src/ksp/ksp/tutorials/ex71.c.html
src/ksp/ksp/tutorials/ex76.c.html
src/snes/tutorials/ex13.c.html

Implementations#

ISGetIndices_Block in src/vec/is/is/impls/block/block.c
ISGetIndices_General in src/vec/is/is/impls/general/general.c
ISGetIndices_Stride in src/vec/is/is/impls/stride/stride.c


Edit on GitLab

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