petsc-3.12.5 2020-03-29
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PCSetReusePreconditioner
reuse the current preconditioner even if the operator in the preconditioner has changed.
Synopsis
#include "petscksp.h"
PetscErrorCode
PCSetReusePreconditioner
(
PC
pc,
PetscBool
flag)
Logically Collective on
PC
Input Parameters
pc
- the preconditioner context
flag
-
PETSC_TRUE
do not compute a new preconditioner,
PETSC_FALSE
do compute a new preconditioner
See Also
PCGetOperators
(),
MatZeroEntries
(),
PCGetReusePreconditioner
(),
KSPSetReusePreconditioner
()
Level
intermediate
Location
src/ksp/pc/interface/precon.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages