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

Input Parameters

• pc - the preconditioner context

• flg - PETSC_TRUE to turn on, PETSC_FALSE to turn off

Options Database Key

• -pc_factor_diagonal_fill - allow the diagonal fill

Note

Does not apply with 0 fill.

See Also

KSP: Linear System Solvers, PCILU, PCICC, PCFactorGetAllowDiagonalFill()

Level

intermediate

Location

src/ksp/pc/impls/factor/factor.c

Implementations

PCFactorSetAllowDiagonalFill_Factor() in src/ksp/pc/impls/factor/factimpl.c

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