PCFieldSplitGetDMSplits

Returns flag indicating whether DMCreateFieldDecomposition() should be used to define the splits in a PCFIELDSPLIT, whenever possible.

Synopsis

#include "petscpc.h" 
PetscErrorCode PCFieldSplitGetDMSplits(PC pc, PetscBool *flg)

Logically Collective

Input Parameter

• pc - the preconditioner context

Output Parameter

• flg - boolean indicating whether to use field splits defined by the DM

Developer Note

The name should be PCFieldSplitGetUseDMSplits()

See Also

Solving Block Matrices with PCFIELDSPLIT, PC, PCFIELDSPLIT, PCFieldSplitSetDMSplits(), DMCreateFieldDecomposition(), 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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Index of all manual pages