petsc-3.7.5 2017-01-01
KSPFCGGetMmax
get the maximum number of previous directions FCG will store
Synopsis
#include "petscksp.h"
PetscErrorCode KSPFCGGetMmax(KSP ksp,PetscInt *mmax)
Note: FCG stores mmax+1 directions at most (mmax previous ones, and one current one)
Not Collective
Input Parameter
ksp -the Krylov space context
Output Parameter
mmax -the maximum number of previous directons allowed for orthogonalization
Options Database
-ksp_fcg_mmax <N> -
Keywords
KSP, FCG, truncation
See Also
KSPFCG, KSPFCGGetTruncationType(), KSPFCGGetNprealloc(), KSPFCGSetMmax()
Level:intermediate
Location:src/ksp/ksp/impls/fcg/fcg.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages