petsc-3.7.3 2016-07-24
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# SNESFASCycleGetCorrection

Gets the coarse correction FAS context for this level

### Synopsis

    #include "petscsnes.h"
    PetscErrorCode SNESFASCycleGetCorrection(SNES snes, SNES *correction)

Logically Collective on SNES

### Input Parameters

snes -the multigrid context

### Output Parameters

correction -the coarse correction on this level

### Notes

Returns NULL on the coarsest level.

### Keywords

SNES, FAS, get, smoother, multigrid

### See Also

SNESFASCycleGetSmootherUp(), SNESFASCycleGetSmoother()

Level:advanced
Location: src/snes/impls/fas/fasfunc.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages