DMSNESSetObjective

Sets the objective function minimized by some of the SNES linesearch methods into a DMSNES object, used instead of the 2-norm of the residual

Synopsis

#include "petscsnes.h" 
#include "petscdm.h" 
PetscErrorCode DMSNESSetObjective(DM dm, SNESObjectiveFn *obj, void *ctx)

Not Collective

Input Parameters

• dm - DM to be used with SNES

• obj - objective evaluation routine; see SNESObjectiveFn for the calling sequence

• ctx - [optional] user-defined context for private data for the objective evaluation routine (may be NULL)

See Also

SNES: Nonlinear Solvers, DMSNES, DMSNESSetContext(), SNESGetObjective(), DMSNESSetFunction(), SNESObjectiveFn

Level

developer

Location

src/snes/utils/dmsnes.c

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Index of all SNES routines
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Index of all manual pages