PCGetCoarseOperators#
Gets coarse operator matrices for all levels (except the finest level)
Synopsis#
#include "petscksp.h"
PetscErrorCode PCGetCoarseOperators(PC pc, PetscInt *num_levels, Mat *coarseOperators[])
Logically Collective
Input Parameter#
pc - the precondition context
Output Parameters#
num_levels - the number of levels
coarseOperators - the coarse operator matrices (size of
num_levels-1)
Developer Note#
Why is this here instead of in PCMG etc?
See Also#
KSP: Linear System Solvers, PC, PCMG, PCMGGetRestriction(), PCMGSetInterpolation(), PCMGGetRScale(), PCMGGetInterpolation(), PCGetInterpolations()
Level#
advanced
Location#
Implementations#
PCGetCoarseOperators_BoomerAMG() in src/ksp/pc/impls/hypre/hypre.c
PCGetCoarseOperators_MG() in src/ksp/pc/impls/mg/mg.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages