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PCHPDDMGetSTShareSubKSP
Gets whether the
KSP
in SLEPc ST and the fine-level subdomain solver is shared.
Synopsis
#include "petscpc.h"
PetscErrorCode
PCHPDDMGetSTShareSubKSP
(
PC
pc,
PetscBool
*share)
Input Parameter
pc
- preconditioner context
Output Parameter
share
- whether the
KSP
is shared or not
Notes
This is not the same as
PCGetReusePreconditioner
(). The return value is unlikely to be true, but when it is, a symbolic factorization can be skipped when using a subdomain
PCType
such as
PCLU
or
PCCHOLESKY
.
Level
advanced
Location
src/ksp/pc/impls/hpddm/hpddm.cxx
Examples
src/ksp/ksp/tutorials/ex76.c.html
Implementations
PCHPDDMGetSTShareSubKSP_HPDDM in src/ksp/pc/impls/hpddm/hpddm.cxx
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