petsc-3.13.6 2020-09-29
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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 Argument

dm -DM to be used with SNES

Output Arguments

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