petsc-3.7.1 2016-05-15
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PCFieldSplitSetDiagUseAmat

set flag indicating whether to extract diagonal blocks from Amat (rather than Pmat)

Synopsis

#include "petscpc.h" 
PetscErrorCode  PCFieldSplitSetDiagUseAmat(PC pc,PetscBool flg)
Logically Collective on PC Many br

Input Parameters

pc - the preconditioner object Many br
flg - boolean flag indicating whether or not to use Amat to extract the diagonal blocks from Many br

Options Database

-pc_fieldsplit_diag_use_amat - Many br Many br

See Also

PCFieldSplitGetDiagUseAmat(), PCFieldSplitSetOffDiagUseAmat(), PCFIELDSPLIT

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