PCFieldSplitGetIS#

Retrieves the elements for a split as an IS

Synopsis#

#include "petscpc.h" 
PetscErrorCode PCFieldSplitGetIS(PC pc, const char splitname[], IS *is)

Logically Collective

Input Parameters#

pc - the preconditioner context
splitname - name of this split

Output Parameter#

is - the index set that defines the elements in this split, or NULL if the split is not found

See Also#

Solving Block Matrices, PC, PCFieldSplitGetSubKSP(), PCFIELDSPLIT, 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