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
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
Note#
See the pARMS functions parms_PCSetInnerEps() and parms_PCSetInnerMaxits() for more information.
See Also#
KSP: Linear System Solvers, PCPARMS, PCPARMSSetSolveRestart()
Level#
intermediate
Location#
Implementations#
PCPARMSSetSolveTolerances_PARMS() in src/ksp/pc/impls/parms/parms.c
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