petsc-master 2019-09-23
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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 on PC

Input Parameters

Output Parameter

pc - the precondition context
num_levels - the number of levels
coarseOperators -the coarse operator matrices (size of num_levels-1)

Keywords

MG, GAMG, BoomerAMG, get, multigrid, interpolation, level

See Also

PCMGGetRestriction(), PCMGSetInterpolation(), PCMGGetRScale(), PCMGGetInterpolation(), PCGetInterpolations()

Level

advanced

Location

src/ksp/pc/interface/precon.c

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