wolffd@0: function engine = set_fwdback(engine, fb)
wolffd@0: % SET_FWDBACK Set the field 'fwdback', which contains the frontiers after propagation
wolffd@0: % engine = set_fwdback(engine, fb)
wolffd@0: %
wolffd@0: % This is used by frontier_fast_inf_engine/enter_evidence
wolffd@0: % as a workaround for Matlab's annoying privacy control
wolffd@0:     
wolffd@0: engine.fwdback = fb;