diff options
| author | Chris Dyer <cdyer@cs.cmu.edu> | 2012-07-29 21:04:14 -0400 |
|---|---|---|
| committer | Chris Dyer <cdyer@cs.cmu.edu> | 2012-07-29 21:04:14 -0400 |
| commit | bd897e664a7ca51caa3cd76e444466cc410ac354 (patch) | |
| tree | c6e2500d781635f6393c5c66b94e4584136e1de0 /decoder | |
| parent | a9a52d22b824ccec7104036fc746d9cc30155681 (diff) | |
fix grammar converter to remove edges that cannot exist in any valid derivation
Diffstat (limited to 'decoder')
| -rw-r--r-- | decoder/hg_io.cc | 1 | ||||
| -rw-r--r-- | decoder/inside_outside.h | 4 | ||||
| -rw-r--r-- | decoder/rescore_translator.cc | 1 |
3 files changed, 2 insertions, 4 deletions
diff --git a/decoder/hg_io.cc b/decoder/hg_io.cc index bfb2fb80..8bd40387 100644 --- a/decoder/hg_io.cc +++ b/decoder/hg_io.cc @@ -261,6 +261,7 @@ static void WriteRule(const TRule& r, ostream* out) { } bool HypergraphIO::WriteToJSON(const Hypergraph& hg, bool remove_rules, ostream* out) { + if (hg.empty()) { *out << "{}\n"; return true; } map<const TRule*, int> rid; ostream& o = *out; rid[NULL] = 0; diff --git a/decoder/inside_outside.h b/decoder/inside_outside.h index bb7f9fcc..f73a1d3f 100644 --- a/decoder/inside_outside.h +++ b/decoder/inside_outside.h @@ -41,10 +41,6 @@ WeightType Inside(const Hypergraph& hg, WeightType* const cur_node_inside_score = &inside_score[i]; Hypergraph::EdgesVector const& in=hg.nodes_[i].in_edges_; const unsigned num_in_edges = in.size(); - if (num_in_edges == 0) { - *cur_node_inside_score = WeightType(1); //FIXME: why not call weight(edge) instead? - continue; - } for (unsigned j = 0; j < num_in_edges; ++j) { const Hypergraph::Edge& edge = hg.edges_[in[j]]; WeightType score = weight(edge); diff --git a/decoder/rescore_translator.cc b/decoder/rescore_translator.cc index 5c417393..10192f7a 100644 --- a/decoder/rescore_translator.cc +++ b/decoder/rescore_translator.cc @@ -20,6 +20,7 @@ struct RescoreTranslatorImpl { bool Translate(const string& input, const vector<double>& weights, Hypergraph* forest) { + if (input == "{}") return false; if (input.find("{\"rules\"") == 0) { istringstream is(input); Hypergraph src_cfg_hg; |