PETSc version 3.16.6
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
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages