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
See Also#
Solving Block Matrices, PC, PCFIELDSPLIT, PCFieldSplitGetDMSplits(), PCFieldSplitSetFields(), PCFieldsplitSetIS()
Level#
Intermediate
Location#
src/ksp/pc/impls/fieldsplit/fieldsplit.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages