petsc-3.14.6 2021-03-30
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PCDeflationSetInitOnly
Do only initialization step. Sets initial guess to the solution on the deflation space but does not apply the deflation preconditioner. The additional preconditioner is still applied.
Synopsis
#include "petscksp.h"
PetscErrorCode
PCDeflationSetInitOnly
(
PC
pc,
PetscBool
flg)
Logically Collective
Input Parameters
pc
- the preconditioner context
flg
- default
PETSC_FALSE
Options Database Keys
-pc_deflation_init_only <false>
- if true computes only the special guess
See Also
PCDEFLATION
Level
intermediate
Location
src/ksp/pc/impls/deflation/deflation.c
Implementations
PCDeflationSetInitOnly_Deflation in src/ksp/pc/impls/deflation/deflation.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages