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

Input Parameter#

  • pc - the precondition context

Output Parameters#

  • num_levels - the number of levels

  • interpolations - the interpolation 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(), 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