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#
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
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Index of all manual pages