PCFactorGetShiftAmount#
Gets the tolerance used to define a zero privot
Synopsis#
#include "petscpc.h"
PetscErrorCode PCFactorGetShiftAmount(PC pc, PetscReal *shift)
Not Collective
Input Parameter#
pc - the preconditioner context
Output Parameter#
shift - how much to shift the diagonal entry
See Also#
KSP: Linear System Solvers, PCLU, PCCHOLESKY, PCFactorSetShiftAmount(), PCFactorSetShiftType(), PCFactorGetShiftType()
Level#
intermediate
Location#
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