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 the DM

See Also#

Solving Block Matrices, PC, PCFIELDSPLIT, PCFieldSplitGetDMSplits(), PCFieldSplitSetFields(), PCFieldsplitSetIS()

Level#

Intermediate

Location#

src/ksp/pc/impls/fieldsplit/fieldsplit.c


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Index of all PC routines
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