From 0e7b303879baf95a8167194ad7c75ef738e79f15 Mon Sep 17 00:00:00 2001
From: Chris Dyer <cdyer@cs.cmu.edu>
Date: Thu, 19 May 2011 12:38:10 -0400
Subject: HG intersection bug pointed out by Andrea Gesmundo

---
 decoder/hg_intersect.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/decoder/hg_intersect.cc b/decoder/hg_intersect.cc
index 81350cb0..8752838f 100644
--- a/decoder/hg_intersect.cc
+++ b/decoder/hg_intersect.cc
@@ -127,7 +127,8 @@ bool HG::Intersect(const Lattice& target, Hypergraph* hg) {
       if (cur > 0) {
         f[j] = cur;
       } else {
-        tn[ntc++] = cur;
+        tn[-cur] = -ntc;
+        ++ntc;
         f[j] = cats[edge.tail_nodes_[-cur]];
       }
     }
-- 
cgit v1.2.3