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