PCMGSetAdaptCR#

Monitor the coarse space quality using an auxiliary solve with compatible relaxation.

Synopsis#

#include "petscksp.h" 
PetscErrorCode PCMGSetAdaptCR(PC pc, PetscBool cr)

Logically Collective

Input Parameters#

  • pc - the multigrid context

  • cr - flag for compatible relaxation

Options Database Key#

  • -pc_mg_adapt_cr - Turn on compatible relaxation

See Also#

KSP: Linear System Solvers, PCMG, PCMGGetAdaptCR(), PCMGSetAdaptInterpolation(), PCMGSetGalerkin(), PCMGGetAdaptCoarseSpaceType(), PCMGSetAdaptCoarseSpaceType()

Level#

intermediate

Location#

src/ksp/pc/impls/mg/mg.c

Implementations#

PCMGSetAdaptCR_MG() in src/ksp/pc/impls/mg/mg.c


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