petsc-3.14.6 2021-03-30
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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.

See Also

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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