petsc-3.11.4 2019-09-28
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KSPFGMRESModifyPCKSP

modifies the attributes of the GMRES preconditioner. It serves as an example (not as something useful!)

Synopsis

#include "petscksp.h" 
PetscErrorCode  KSPFGMRESModifyPCKSP(KSP ksp,PetscInt total_its,PetscInt loc_its,PetscReal res_norm,void *dummy)

Input Parameters

ksp - the ksp context being used.
total_its - the total number of FGMRES iterations that have occurred.
loc_its - the number of FGMRES iterations since last restart.
res_norm - the current residual norm.
dummy - context, not used here

Contributed by Allison Baker

This could be used as a template!

See Also

KSPFGMRESSetModifyPC(), KSPFGMRESModifyPCKSP()

Level

intermediate

Location

src/ksp/ksp/impls/gmres/fgmres/modpcf.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages