KSPPIPEGCRSetModifyPC

Sets the routine used by KSPPIPEGCR to modify the preconditioner at each iteration

Synopsis

#include "petscksp.h"  
PetscErrorCode KSPPIPEGCRSetModifyPC(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, KSPFlexibleSetModifyPC(), KSPFlexibleModifyPCFn, KSPPIPEGCR

Level

intermediate

Location

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

Implementations

KSPPIPEGCRSetModifyPC_PIPEGCR() in src/ksp/ksp/impls/gcr/pipegcr/pipegcr.c

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