PCMGGetAdaptCR — PETSc 3.22.5 documentation

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# PCMGGetAdaptCR

Get the flag to monitor coarse space quality using an auxiliary solve with compatible relaxation.

## Synopsis

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

Not Collective

## Input Parameter

- pc - the multigrid context

## Output Parameter

- cr - flag for compatible relaxaion

## See Also

KSP: Linear System Solvers, `PCMGSetAdaptCR()`, `PCMGGetAdaptInterpolation()`, `PCMGSetGalerkin()`, `PCMGGetAdaptCoarseSpaceType()`, `PCMGSetAdaptCoarseSpaceType()`

## Level

intermediate

## Location

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

## Implementations

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

Index of all PC routines
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Index of all manual pages