petsc-3.14.6 2021-03-30

Report Typos and Errors

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

Implementations

PCJacobiGetUseAbs_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