Added some deterministic tie-breaking to CompareHypothesisTotalScore().

1 files changed, 17 insertions, 0 deletions

diff --git a/moses/Hypothesis.cpp b/moses/Hypothesis.cpp
index c43aed01e..4c8598638 100644
--- a/moses/Hypothesis.cpp
+++ b/moses/Hypothesis.cpp
@@ -632,6 +632,23 @@ OutputWordAlignment(vector<xmlrpc_c::value>& out) const
     tmp[i]->OutputLocalWordAlignment(out);
 }
 
+bool
+Hypothesis::
+beats(Hypothesis const& b) const 
+{
+  if (m_totalScore != b.m_totalScore) 
+    return m_totalScore > b.m_totalScore;
+  else if (m_futureScore != b.m_futureScore)
+    return m_futureScore > b.m_futureScore;
+  else if (m_prevHypo) 
+    return b.m_prevHypo ? m_prevHypo->beats(*b.m_prevHypo) : true;
+  else return false;
+  // TO DO: add more tie breaking here
+  // results. We should compare other property of the hypos here. 
+  // On the other hand, how likely is this going to happen?
+}
+
+
 #endif