DMDASNESSetObjectiveLocal#

set a local residual evaluation function to used with a DMDA

Synopsis#

#include "petscdmda.h" 
#include "petscsnes.h" 
PetscErrorCode DMDASNESSetObjectiveLocal(DM dm, DMDASNESObjective func, void *ctx)

Logically Collective

Input Parameters#

  • dm - DM to associate callback with

  • func - local objective evaluation

  • ctx - optional context for local residual evaluation

Calling sequence of func#

PetscErrorCode func(DMDALocalInfo *info, void *x, PetscReal obj, void *ctx);
  • info - defines the subdomain to evaluate the residual on

  • x - dimensional pointer to state at which to evaluate residual

  • obj - eventual objective value

  • ctx - optional context passed above

See Also#

DMDA, DMSNESSetFunction(), DMDASNESSetJacobianLocal(), DMDACreate1d(), DMDACreate2d(), DMDACreate3d()

Level#

beginner

Location#

src/snes/utils/dmdasnes.c

Examples#

src/snes/tutorials/ex5.c
src/snes/tutorials/ex55.c


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