petsc-3.15.0 2021-04-05
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SNESFASFullSetTotal

Use total residual restriction and total interpolation on the initial down and up sweep of full FAS cycles

Synopsis

#include "petscsnes.h"  
PetscErrorCode SNESFASFullSetTotal(SNES snes,PetscBool total)
Logically Collective on SNES

Input Parameters

snes - the multigrid context
total - whether to use total restriction / interpolatiaon or not (the alternative is defect restriction and correction interpolation)

Options Database Key

-snes_fas_full_total

Note: this option is only significant if the interpolation of a coarse correction (MatInterpolate()) is significantly different from total solution interpolation (DMInterpolateSolution()).

See Also

SNESFASSetNumberSmoothUp(), DMInterpolateSolution()

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