petsc-3.7.5 2017-01-01
KSPPIPEGCRGetNprealloc
get the number of directions preallocate by PIPEGCR
Synopsis
#include "petscksp.h"
PetscErrorCode KSPPIPEGCRGetNprealloc(KSP ksp,PetscInt *nprealloc)
Not Collective
Input Parameter
ksp -the Krylov space context
Output Parameter
nprealloc -the number of directions preallocated
Options Database
-ksp_pipegcr_nprealloc <N> -
Keywords
KSP, PIPEGCR, truncation
See Also
KSPPIPEGCR, KSPPIPEGCRGetTruncationType(), KSPPIPEGCRSetNprealloc()
Level:advanced
Location:src/ksp/ksp/impls/gcr/pipegcr/pipegcr.c
Index of all KSP routines
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Index of all manual pages