PETSc version 3.16.6
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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

Implementations

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

Index of all PC routines
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