PCILUSetReuseOrdering
When similar matrices are factored, this causes the ordering computed in the first factor to be used for all following factors; applies to both fill and drop tolerance ILUs.
Synopsis
#include "petscpc.h"
int PCILUSetReuseOrdering(PC pc,PetscTruth flag)
Collective on PC
Input Parameters
| pc | - the preconditioner context
|
| flag | - PETSC_TRUE to reuse else PETSC_FALSE
|
Options Database Key
-pc_ilu_reuse_ordering -Activate PCILUSetReuseOrdering()
Keywords
PC, levels, reordering, factorization, incomplete, ILU
See Also
PCILUDTSetReuseFill(), PCLUSetReuseOrdering(), PCLUSetReuseFill()
Level:intermediate
Location:src/sles/pc/impls/ilu/ilu.c
Index of all PC routines
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Index of all manual pages