PCFieldSplitSetDMSplits#
Flags whether DMCreateFieldDecomposition() should be used to define the splits in a PCFIELDSPLIT, whenever possible.
Synopsis#
#include "petscpc.h"
PetscErrorCode PCFieldSplitSetDMSplits(PC pc, PetscBool flg)
Logically Collective
Input Parameters#
pc - the preconditioner context
flg - boolean indicating whether to use field splits defined by the
DM
Options Database Key#
-pc_fieldsplit_dm_splits
- use the field splits defined by theDM
Developer Note#
The name should be PCFieldSplitSetUseDMSplits(), similar change to options database
See Also#
Solving Block Matrices with PCFIELDSPLIT, PC, PCFIELDSPLIT, PCFieldSplitGetDMSplits(), DMCreateFieldDecomposition(), PCFieldSplitSetFields(), 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