petsc-3.12.5 2020-03-29
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 Argument
dm -DM to be used with SNES
Output Arguments
| f | - residual evaluation function; see SNESFunction for details
|
| ctx | - 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
DMSNESSetContext(), DMSNESSetFunction(), SNESSetFunction(), SNESFunction
Level
advanced
Location
src/snes/utils/dmsnes.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages