petsc-3.7.7 2017-09-25
KSPPIPEFCGGetNprealloc
get the number of directions to preallocate by PIPEFCG
Synopsis
#include "petscksp.h"
PetscErrorCode KSPPIPEFCGGetNprealloc(KSP ksp,PetscInt *nprealloc)
Not Collective
Input Parameter
ksp -the Krylov space context
Output Parameter
nprealloc -the number of directions preallocated
Options Database
-ksp_pipefcg_nprealloc <N> -
Keywords
KSP, PIPEFCG, truncation
See Also
KSPPIPEFCG, KSPPIPEFCGGetTruncationType(), KSPPIPEFCGSetNprealloc()
Level:advanced
Location:src/ksp/ksp/impls/fcg/pipefcg/pipefcg.c
Index of all KSP routines
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Index of all manual pages