petsc-3.11.4 2019-09-28
KSPPIPEFCGGetMmax
get the maximum number of previous directions PIPEFCG will store
Synopsis
#include "petscksp.h"
PetscErrorCode KSPPIPEFCGGetMmax(KSP ksp,PetscInt *mmax)
Note: PIPEFCG stores mmax+1 directions at most (mmax previous ones, and the 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_pipefcg_mmax <N> -
Keywords
KSP, PIPEFCG, truncation
See Also
KSPPIPEFCG, KSPPIPEFCGGetTruncationType(), KSPPIPEFCGGetNprealloc(), KSPPIPEFCGSetMmax()
Level
intermediate
Location
src/ksp/ksp/impls/fcg/pipefcg/pipefcg.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages