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()).

Level

advanced

Location