petsc-3.7.5 2017-01-01
PCFactorGetAllowDiagonalFill
Determines if all diagonal matrix entries are treated as level 0 fill even if there is no non-zero location.
Synopsis
#include "petscpc.h"
PetscErrorCode PCFactorGetAllowDiagonalFill(PC pc,PetscBool *flg)
Logically Collective on PC
Input Parameter
pc -the preconditioner context
Output Parameter
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
PCFactorSetAllowDiagonalFill()
Level:intermediate
Location:src/ksp/pc/impls/factor/factor.c
Index of all PC routines
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Index of all manual pages