PCFactorSetReuseFill#
When matrices with different nonzero structure are factored, this causes later ones to use the fill ratio computed in the initial factorization.
Synopsis#
#include "petscpc.h" 
PetscErrorCode PCFactorSetReuseFill(PC pc, PetscBool flag)
Logically Collective
Input Parameters#
- pc - the preconditioner context 
- flag - - PETSC_TRUEto reuse else- PETSC_FALSE
Options Database Key#
- -pc_factor_reuse_fill - Activates - PCFactorSetReuseFill()
See Also#
KSP: Linear System Solvers, PCLU, PCCHOLESKY, PCILU, PCICC, PCFactorSetReuseOrdering(), PCFactorSetFill()
Level#
intermediate
Location#
Implementations#
PCFactorSetReuseFill_Factor() in src/ksp/pc/impls/factor/factor.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages