petsc-3.12.5 2020-03-29

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SNESFASSetNumberSmoothDown

Sets the number of pre-smoothing steps to use on all levels.

Synopsis

#include "petscsnes.h"  
PetscErrorCode SNESFASSetNumberSmoothDown(SNES snes, PetscInt n)

Logically Collective on SNES

Input Parameters

	snes	- the multigrid context
	n	- the number of smoothing steps

Options Database Key

-snes_fas_smoothdown <n> -Sets number of pre-smoothing steps

See Also

SNESFASSetNumberSmoothUp()

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