DMSNESSetNGS#
set SNES Gauss-Seidel relaxation function into a DMSNES object
Synopsis#
#include "petscsnes.h"
#include "petscdm.h"
PetscErrorCode DMSNESSetNGS(DM dm, PetscErrorCode (*f)(SNES, Vec, Vec, void *), void *ctx)
Not Collective
Input Parameters#
Note#
SNESSetNGS() is normally used, but it calls this function internally because the user context is actually
associated with the DM. This makes the interface consistent regardless of whether the user interacts with a DM or
not.
Developer Note#
If DM took a more central role at some later date, this could become the primary method of supplying the smoother
See Also#
SNES: Nonlinear Solvers, DMSNES, DMSNESSetContext(), SNESSetFunction(), DMSNESSetJacobian(), DMSNESSetFunction(), SNESGSFunction
Level#
developer
Location#
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages