petsc-3.7.1 2016-05-15
Report Typos and Errors

KSPFCGSetNprealloc

 set the number of directions to preallocate with FCG

Synopsis

#include "petscksp.h"  
PetscErrorCode KSPFCGSetNprealloc(KSP ksp,PetscInt nprealloc)
Logically Collective on KSP Many br

Input Parameters

ksp - the Krylov space context Many br
nprealloc - the number of vectors to preallocate Many br

Many br

Options Database

-ksp_fcg_nprealloc <N> -number of directions to preallocate Many br

See Also

KSPFCG, KSPFCGGetTruncationType(), KSPFCGGetNprealloc()

Level:advanced
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