petsc-3.11.4 2019-09-28
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KSPPIPEGCRSetNprealloc
set the number of directions to preallocate with PIPEGCR
Synopsis
#include "petscksp.h"
PetscErrorCode
KSPPIPEGCRSetNprealloc
(
KSP
ksp,
PetscInt
nprealloc)
Logically Collective on
KSP
Input Parameters
ksp
- the Krylov space context
nprealloc
- the number of vectors to preallocate
Options Database
-ksp_pipegcr_nprealloc <N>
-
See Also
KSPPIPEGCR
,
KSPPIPEGCRGetTruncationType
(),
KSPPIPEGCRGetNprealloc
()
Level
advanced
Location
src/ksp/ksp/impls/gcr/pipegcr/pipegcr.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages