PCGetReusePreconditioner#
Determines if the PC
reuses the current preconditioner even if the operator in the preconditioner has changed.
Synopsis#
#include "petscksp.h"
PetscErrorCode PCGetReusePreconditioner(PC pc, PetscBool *flag)
Not Collective
Input Parameter#
pc - the preconditioner context
Output Parameter#
flag -
PETSC_TRUE
do not compute a new preconditioner,PETSC_FALSE
do compute a new preconditioner
See Also#
KSP: Linear System Solvers, PC
, PCGetOperators()
, MatZeroEntries()
, PCSetReusePreconditioner()
Level#
intermediate
Location#
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages