petsc-3.8.4 2018-03-24
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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
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages