petsc-3.10.5 2019-03-28
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# SNESGetGridSequence

gets the number of steps of grid sequencing that SNES does

### Synopsis

    #include "petscsnes.h"
    PetscErrorCode  SNESGetGridSequence(SNES snes,PetscInt *steps)

Logically Collective on SNES

### Input Parameter

snes -the SNES context

### Output Parameter

steps -the number of refinements to do, defaults to 0

### Options Database Keys

-snes_grid_sequence <steps> -

### Notes

Use SNESGetSolution() to extract the fine grid solution after grid sequencing.

### Keywords

SNES, nonlinear, set, convergence, tolerances

### See Also

SNESSetTrustRegionTolerance(), SNESGetLagPreconditioner(), SNESSetLagJacobian(), SNESGetLagJacobian(), SNESSetGridSequence()

### Level

intermediate

### Location

src/snes/interface/snes.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages