petsc-3.13.6 2020-09-29
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
PCGetOperators(), MatZeroEntries(), PCSetReusePreconditioner()
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