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