petsc-3.13.6 2020-09-29
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PCJacobiSetUseAbs
Causes the Jacobi preconditioner to use the absolute values of the digonal divisors in the preconditioner
Synopsis
#include "petscpc.h"
PetscErrorCode
PCJacobiSetUseAbs
(
PC
pc,
PetscBool
flg)
Logically Collective on
PC
Input Parameters
pc
- the preconditioner context
flg
- whether to use absolute values or not
Options Database Key
-pc_jacobi_abs
- Notes: This takes affect at the next construction of the preconditioner
See Also
PCJacobiaSetType(),
PCJacobiGetUseAbs
()
Level
intermediate
Location
src/ksp/pc/impls/jacobi/jacobi.c
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