diff options
Diffstat (limited to 'decoder/decoder.cc')
| -rw-r--r-- | decoder/decoder.cc | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/decoder/decoder.cc b/decoder/decoder.cc index a16a9b5a..89425198 100644 --- a/decoder/decoder.cc +++ b/decoder/decoder.cc @@ -806,15 +806,21 @@ bool DecoderImpl::Decode(const string& input, DecoderObserver* o) { } if (rp.fid_summary) { - Hypergraph::EdgeProbs posteriors; - const prob_t z = forest.ComputeEdgePosteriors(1.0, &posteriors); + const prob_t z = forest.PushWeightsToGoal(1.0); if (!SILENT) { cerr << " " << passtr << " adding summary feature " << FD::Convert(rp.fid_summary) << " log(Z)=" << log(z) << endl; } - assert(forest.edges_.size() == posteriors.size()); if (!isfinite(log(z)) || isnan(log(z))) { cerr << " " << passtr << " !!! Invalid partition detected, abandoning.\n"; } else { - for (int i = 0; i < posteriors.size(); ++i) - forest.edges_[i].feature_values_.set_value(rp.fid_summary, log(posteriors[i] / z)); + for (int i = 0; i < forest.edges_.size(); ++i) { + const double log_prob_transition = log(forest.edges_[i].edge_prob_); // locally normalized by the edge + // head node by forest.PushWeightsToGoal + if (!isfinite(log_prob_transition) || isnan(log_prob_transition)) { + cerr << "Edge: i=" << i << " got bad inside prob: " << *forest.edges_[i].rule_ << endl; + abort(); + } + + forest.edges_[i].feature_values_.set_value(rp.fid_summary, log_prob_transition); + } } } |