PCJacobiSetUseAbs#
Causes the Jacobi preconditioner PCJACOBI to use the absolute values of the diagonal divisors in the preconditioner
Synopsis#
#include "petscpc.h"
PetscErrorCode PCJacobiSetUseAbs(PC pc, PetscBool flg)
Logically Collective
Input Parameters#
pc - the preconditioner context
flg - whether to use absolute values or not
Options Database Key#
-pc_jacobi_abs
- use absolute values
Note#
This takes affect at the next construction of the preconditioner
See Also#
KSP: Linear System Solvers, PCJACOBI, PCJacobiaSetType(), PCJacobiGetUseAbs()
Level#
intermediate
Location#
Implementations#
PCJacobiSetUseAbs_Jacobi() in src/ksp/pc/impls/jacobi/jacobi.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages