diff options
Diffstat (limited to 'src/hg_io.cc')
| -rw-r--r-- | src/hg_io.cc | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/src/hg_io.cc b/src/hg_io.cc index beb96aa6..e21b1714 100644 --- a/src/hg_io.cc +++ b/src/hg_io.cc @@ -350,17 +350,24 @@ string HypergraphIO::AsPLF(const Hypergraph& hg, bool include_global_parentheses if (include_global_parentheses) os << '('; static const string EPS="*EPS*"; for (int i = 0; i < hg.nodes_.size()-1; ++i) { - os << '('; if (hg.nodes_[i].out_edges_.empty()) abort(); - for (int j = 0; j < hg.nodes_[i].out_edges_.size(); ++j) { - const Hypergraph::Edge& e = hg.edges_[hg.nodes_[i].out_edges_[j]]; - const string output = e.rule_->e_.size() ==2 ? Escape(TD::Convert(e.rule_->e_[1])) : EPS; - double prob = log(e.edge_prob_); - if (isinf(prob)) { prob = -9e20; } - if (isnan(prob)) { prob = 0; } - os << "('" << output << "'," << prob << "," << e.head_node_ - i << "),"; + const bool last_node = (i == hg.nodes_.size() - 2); + const int out_edges_size = hg.nodes_[i].out_edges_.size(); + // compound splitter adds an extra goal transition which we suppress with + // the following conditional + if (!last_node || out_edges_size != 1 || + hg.edges_[hg.nodes_[i].out_edges_[0]].rule_->EWords() == 1) { + os << '('; + for (int j = 0; j < out_edges_size; ++j) { + const Hypergraph::Edge& e = hg.edges_[hg.nodes_[i].out_edges_[j]]; + const string output = e.rule_->e_.size() ==2 ? Escape(TD::Convert(e.rule_->e_[1])) : EPS; + double prob = log(e.edge_prob_); + if (isinf(prob)) { prob = -9e20; } + if (isnan(prob)) { prob = 0; } + os << "('" << output << "'," << prob << "," << e.head_node_ - i << "),"; + } + os << "),"; } - os << "),"; } if (include_global_parentheses) os << ')'; return os.str(); |