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 Parameter#
pc - the preconditioner context
Output Parameter#
type - one of
MAT_SHIFT_NONE,MAT_SHIFT_NONZERO,MAT_SHIFT_POSITIVE_DEFINITE, orMAT_SHIFT_INBLOCKS
See Also#
KSP: Linear System Solvers, PCLU, PCCHOLESKY, PCFactorSetShiftType(), MatFactorShiftType, PCFactorSetShiftAmount(), PCFactorGetShiftAmount()
Level#
intermediate
Location#
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