petsc-3.6.1 2015-08-06
PCJacobiGetUseAbs
Determines if the Jacobi preconditioner uses the absolute values of the digonal divisors in the preconditioner
Synopsis
#include "petscpc.h"
PetscErrorCode PCJacobiGetUseAbs(PC pc,PetscBool *flg)
Logically Collective on PC
Input Parameter
pc -the preconditioner context
Output Parameter
flg -whether to use absolute values or not
Options Database Key
-pc_jacobi_abs -
See Also
PCJacobiaSetType(), PCJacobiSetUseAbs(), PCJacobiGetType()
Level:intermediate
Location:src/ksp/pc/impls/jacobi/jacobi.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages