DMSNESGetObjective#

get SNES objective evaluation function

Synopsis#

#include "petscsnes.h" 
#include "petscdm.h" 
PetscErrorCode DMSNESGetObjective(DM dm, PetscErrorCode (**obj)(SNES, Vec, PetscReal *, void *), void **ctx)

Not Collective

Input Parameter#

  • dm - DM to be used with SNES

Output Parameters#

  • obj- residual evaluation function; see SNESObjectiveFunction 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(), DMSNESSetObjective(), SNESSetFunction()

Level#

advanced

Location#

src/snes/utils/dmsnes.c

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Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages