wolffd@0: function niter = loopy_converged(engine)
wolffd@0: % LOOPY_CONVERGED Did loopy belief propagation converge? 0 means no, eles we return the num. iterations.
wolffd@0: % function niter = loopy_converged(engine)
wolffd@0: %
wolffd@0: % We use a simple heuristic: we say convergence occurred if the number of iterations
wolffd@0: % used was less than the maximum allowed.
wolffd@0: 
wolffd@0: if engine.niter == engine.max_iter
wolffd@0:   niter = 0;
wolffd@0: else
wolffd@0:   niter = engine.niter;
wolffd@0: end
wolffd@0: %conv = (strcmp(engine.protocol, 'tree') | (engine.niter < engine.max_iter));