petsc-master 2014-09-19
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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)
Logically Collective on PC

Input Parameters

Options Database Key

Keywords

PC, levels, fill, factorization, incomplete, ILU

Level:intermediate
Location:
src/ksp/pc/impls/factor/factor.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages

pc - the preconditioner context
-pc_factor_diagonal_fill- Notes: Does not apply with 0 fill.