DMSNESGetFunction#
get SNES residual evaluation function
Synopsis#
#include "petscsnes.h"
#include "petscdm.h"
PetscErrorCode DMSNESGetFunction(DM dm, PetscErrorCode (**f)(SNES, Vec, Vec, void *), void **ctx)
Not Collective
Input Parameter#
Output Parameters#
f - residual evaluation function; see
SNESFunctionfor detailsctx - context for residual evaluation
Note#
SNESGetFunction() is normally used, but it calls this function internally because the user context is actually
associated with the DM.
See Also#
SNES: Nonlinear Solvers, DMSNES, DMSNESSetContext(), DMSNESSetFunction(), SNESSetFunction(), SNESFunction
Level#
advanced
Location#
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages