petsc-3.9.4 2018-09-11
PCFactorGetShiftType
Gets the type of shift, if any, done when a zero pivot is detected
Synopsis
#include "petscpc.h"
PetscErrorCode PCFactorGetShiftType(PC pc,MatFactorShiftType *type)
Not Collective
Input Parameters
pc -the preconditioner context
Output Parameter
type -one of MAT_SHIFT_NONE, MAT_SHIFT_NONZERO, MAT_SHIFT_POSITIVE_DEFINITE, or MAT_SHIFT_INBLOCKS
See Also
PCFactorSetShiftType(), MatFactorShiftType, PCFactorSetShiftAmount(), PCFactorGetShiftAmount()
Level
intermediate
Location
src/ksp/pc/impls/factor/factor.c
Implementations
PCFactorGetShiftType_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