PCJacobiSetFixDiagonal#
Check for zero values on the diagonal and replace them with 1.0
Synopsis#
#include "petscpc.h"
PetscErrorCode PCJacobiSetFixDiagonal(PC pc, PetscBool flg)
Logically Collective
Input Parameters#
pc - the preconditioner context
flg - the boolean flag
Options Database Key#
-pc_jacobi_fixdiagonal
- check for zero values on the diagonal
Note#
This takes affect at the next construction of the preconditioner
See Also#
KSP: Linear System Solvers, PCJACOBI, PCJacobiSetType(), PCJacobiGetFixDiagonal(), PCJacobiSetUseAbs()
Level#
intermediate
Location#
Implementations#
PCJacobiSetFixDiagonal_Jacobi() in src/ksp/pc/impls/jacobi/jacobi.c
Index of all PC routines
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Index of all manual pages