petsc-dev 2014-07-30
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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

Keywords

FAS, MG, smooth, down, pre-smoothing, steps, multigrid

See Also

SNESFASSetNumberSmoothUp()

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