petsc-3.7.7 2017-09-25
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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