PCSORGetIterations#
Gets the number of inner iterations to be used by the SOR preconditioner. The default is 1.
Synopsis#
#include "petscpc.h"
PetscErrorCode PCSORGetIterations(PC pc, PetscInt *its, PetscInt *lits)
Logically Collective
Input Parameter#
pc - the preconditioner context
Output Parameters#
lits - number of local iterations, smoothings over just variables on processor
its - number of parallel iterations to use; each parallel iteration has lits local iterations
Options Database Keys#
-pc_sor_its
- Sets number of iterations-pc_sor_lits
- Sets number of local iterations
Note#
When run on one processor the number of smoothings is lits*its
See Also#
KSP: Linear System Solvers, PCSOR, PCSORSetOmega(), PCSORSetSymmetric(), PCSORSetIterations()
Level#
intermediate
Location#
Implementations#
PCSORGetIterations_SOR() in src/ksp/pc/impls/sor/sor.c
Index of all PC routines
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Index of all manual pages