PETSc version 3.17.5
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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 on PC

Input Parameters

pc - the multigrid context
cr - flag for compatible relaxation

Options Database Keys

-pc_mg_adapt_cr - Turn on compatible relaxation

Keywords

MG, set, Galerkin

See Also

PCMGGetAdaptCR(), PCMGSetAdaptInterpolation(), PCMGSetGalerkin()

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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