ISLocalToGlobalMappingGetIndices#

Get global indices for every local point that is mapped

Synopsis#

#include "petscis.h"  
PetscErrorCode ISLocalToGlobalMappingGetIndices(ISLocalToGlobalMapping ltog, const PetscInt **array)

Not Collective

Input Parameter#

ltog - local to global mapping

Output Parameter#

array - array of indices, the length of this array may be obtained with ISLocalToGlobalMappingGetSize()

Note#

ISLocalToGlobalMappingGetSize() returns the length the this array

See Also#

Low-level Vector Communication, ISLocalToGlobalMappingCreate(), ISLocalToGlobalMappingApply(), ISLocalToGlobalMappingRestoreIndices(), ISLocalToGlobalMappingGetBlockIndices(), ISLocalToGlobalMappingRestoreBlockIndices()

Level#

advanced

Location#

src/vec/is/utils/isltog.c

Examples#

src/ksp/ksp/tutorials/ex43.c
src/ksp/ksp/tutorials/ex49.c
src/ksp/ksp/tutorials/ex70.c

Index of all IS routines
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Index of all manual pages