petsc-3.5.4 2015-05-23
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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