petsc-master 2019-04-16
Report Typos and Errors

PCFactorGetShiftAmount

Gets the tolerance used to define a zero privot

Synopsis

#include "petscpc.h" 
PetscErrorCode  PCFactorGetShiftAmount(PC pc,PetscReal *shift)
Not Collective

Input Parameters

pc -the preconditioner context

Output Parameter

shift -how much to shift the diagonal entry

See Also

PCFactorSetShiftAmount(), PCFactorSetShiftType(), PCFactorGetShiftType()

Level

intermediate

Location

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

Implementations

PCFactorGetShiftAmount_Factor in src/ksp/pc/impls/factor/factimpl.c

Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages