petsc-3.9.4 2018-09-11
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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 SNESFAS routines
Table of Contents for all manual pages
Index of all manual pages