petsc-3.15.0 2021-03-30
PCPARMSSetSolveTolerances
Sets the convergence tolerance and the maximum iterations for the inner GMRES solver, when the Schur global preconditioner is used.
Synopsis
#include "petscpc.h"
PetscErrorCode PCPARMSSetSolveTolerances(PC pc,PetscReal tol,PetscInt maxits)
Collective on PC
Input Parameters
| pc | - the preconditioner context
|
| tol | - the convergence tolerance
|
| maxits | - the maximum number of iterations to use
|
Options Database Keys
| -pc_parms_solve_tol | - set the tolerance for local solve
|
| -pc_parms_max_it | - set the maximum number of inner iterations
|
Notes
See the pARMS functions parms_PCSetInnerEps and parms_PCSetInnerMaxits for more information.
See Also
PCPARMS, PCPARMSSetSolveRestart()
Level
intermediate
Location
src/ksp/pc/impls/parms/parms.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages