DMSNESSetMFFunction

set SNES residual evaluation function used in applying the matrix-free Jacobian with -snes_mf_operator

Synopsis

#include "petscsnes.h" 
#include "petscdm.h" 
PetscErrorCode DMSNESSetMFFunction(DM dm, PetscErrorCode (*f)(SNES, Vec, Vec, void *), void *ctx)

Logically Collective

Input Parameters

• dm - DM to be used with SNES

• f - residual evaluation function; see SNESFunction for details

See Also

DMSNESSetContext(), SNESSetFunction(), DMSNESSetJacobian(), SNESFunction, DMSNESSetFunction()

Level

advanced

Location

src/snes/utils/dmsnes.c

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