KSPGCRSetModifyPC#

Sets the routine used by KSPGCR to modify the preconditioner for each iteration

Synopsis#

#include "petscksp.h" 
PetscErrorCode KSPGCRSetModifyPC(KSP ksp, KSPFlexibleModifyPCFn *function, void *ctx, PetscCtxDestroyFn *destroy)

Logically Collective

Input Parameters#

ksp - iterative context obtained from KSPCreate()
function - user defined function to modify the preconditioner, see KSPFlexibleModifyPCFn
ctx - user provided context for the modify preconditioner function
destroy - the function to use to destroy the user provided application context.

See Also#

KSP: Linear System Solvers, KSP, KSPGCR, KSPFlexibleModifyPCFn, KSPFGMRESModifyPCFn, Flexible Krylov Methods

Level#

intermediate

Location#

src/ksp/ksp/impls/gcr/gcr.c

Implementations#

KSPGCRSetModifyPC_GCR() in src/ksp/ksp/impls/gcr/gcr.c

Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages