petsc-3.9.4 2018-09-11
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PCFactorSetAllowDiagonalFill
Causes all diagonal matrix entries to be treated as level 0 fill even if there is no non-zero location.
Synopsis
#include "petscpc.h"
PetscErrorCode
PCFactorSetAllowDiagonalFill
(
PC
pc,
PetscBool
flg)
Logically Collective on
PC
Input Parameters
pc
- the preconditioner context
flg
-
PETSC_TRUE
to turn on,
PETSC_FALSE
to turn off
Options Database Key
-pc_factor_diagonal_fill
- Notes: Does not apply with 0 fill.
Keywords
PC
, levels, fill, factorization, incomplete, ILU
See Also
PCFactorGetAllowDiagonalFill
()
Level
intermediate
Location
src/ksp/pc/impls/factor/factor.c
Implementations
PCFactorSetAllowDiagonalFill_Factor in src/ksp/pc/impls/factor/factimpl.c
Index of all PC routines
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Index of all manual pages