PCFieldSplitGetISByIndex#
Retrieves the elements for a given split as an IS
Synopsis#
#include "petscpc.h"
PetscErrorCode PCFieldSplitGetISByIndex(PC pc, PetscInt index, IS *is)
Logically Collective
Input Parameters#
pc - the preconditioner context
index - index of this split
Output Parameter#
is - the index set that defines the elements in this split
See Also#
Solving Block Matrices with PCFIELDSPLIT, PC
, PCFieldSplitGetSubKSP()
, PCFIELDSPLIT
, PCFieldSplitGetIS()
, PCFieldSplitSetIS()
,
Level#
intermediate
Location#
src/ksp/pc/impls/fieldsplit/fieldsplit.c
Index of all PC routines
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Index of all manual pages