PEPJDSetReusePreconditioner#
Sets a flag indicating whether the preconditioner must be reused or not.
Synopsis#
#include "slepcpep.h"
PetscErrorCode PEPJDSetReusePreconditioner(PEP pep,PetscBool reusepc)
Logically Collective
Input Parameters#
pep - the polynomial eigensolver context
reusepc - the reuse flag
Options Database Key#
-pep_jd_reuse_preconditioner - the reuse flag
Note#
The default value is False. If set to True, the preconditioner is built only at the beginning, using the target value. Otherwise, it may be rebuilt (depending on the fix parameter) at each iteration from the Ritz value.
See Also#
PEP: Polynomial Eigenvalue Problems, PEPJDGetReusePreconditioner(), PEPJDSetFix()
Level#
advanced
Location#
Implementations#
PEPJDSetReusePreconditioner_JD() in src/pep/impls/jd/pjd.c
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