wolffd@0: function [pot, loglik] = normalize_pot(pot)
wolffd@0: % NORMALIZE_POT Convert the discrete potential Pr(X,E) into Pr(X|E) and return log Pr(E).
wolffd@0: % [pot, loglik] = normalize_pot(pot)
wolffd@0: 
wolffd@0: if isempty(pot.T)  %add to process sparse
wolffd@0:    loglik = 0;
wolffd@0:    return;
wolffd@0: end
wolffd@0: [pot.T, lik] = normalise(pot.T);
wolffd@0: loglik = log(lik + (lik==0)*eps);
wolffd@0: 
wolffd@0: