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#

PCLU, PCCHOLESKY, PCFactorSetShiftAmount(), PCFactorSetShiftType(), PCFactorGetShiftType()

Level#

intermediate

Location#

src/ksp/pc/impls/factor/factor.c

Implementations#

PCFactorGetShiftAmount_Factor in src/ksp/pc/impls/factor/factimpl.c

Index of all PC routines
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Index of all manual pages