petsc-3.14.6 2021-03-30
PCGetInterpolations
Gets interpolation matrices for all levels (except level 0)
Synopsis
#include "petscksp.h"
PetscErrorCode PCGetInterpolations(PC pc,PetscInt *num_levels,Mat *interpolations[])
Logically Collective on PC
Input Parameters
| pc | - the precondition context
|
Output Parameter
| num_levels | - the number of levels
|
| interpolations | - the interpolation matrices (size of num_levels-1)
|
Keywords
MG, GAMG, BoomerAMG, multigrid, interpolation, level
See Also
PCMGGetRestriction(), PCMGSetInterpolation(), PCMGGetInterpolation(), PCGetCoarseOperators()
Level
advanced
Location
src/ksp/pc/interface/precon.c
Implementations
PCGetInterpolations_BoomerAMG in src/ksp/pc/impls/hypre/hypre.c
PCGetInterpolations_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