From 07145213674938ca13a19c462dac692b715b3ba3 Mon Sep 17 00:00:00 2001
From: mjdenkowski <michael.j.denkowski@gmail.com>
Date: Fri, 13 Mar 2015 17:41:53 -0400
Subject: [PATCH] Meteor compatibility with batch MIRA

---
 mert/MeteorScorer.h | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/mert/MeteorScorer.h b/mert/MeteorScorer.h
index 31b05ec72..adae68b54 100644
--- a/mert/MeteorScorer.h
+++ b/mert/MeteorScorer.h
@@ -23,10 +23,10 @@ class ScoreStats;
  * Meteor scoring
  *
  * https://github.com/mjdenkowski/meteor
- * http://statmt.org/wmt11/pdf/WMT07.pdf
+ * http://statmt.org/wmt14/pdf/W14-3348.pdf
  *
  * Config:
- * jar - location of meteor-*.jar (meteor-1.4.jar at time of writing)
+ * jar - location of meteor-*.jar (meteor-1.5.jar at time of writing)
  * lang - optional language code (default: en)
  * task - optional task (default: tune)
  * m - optional quoted, space delimited module string "exact stem synonym paraphrase" (default varies by language)
@@ -34,7 +34,10 @@ class ScoreStats;
  * w - optional quoted, space delimited weight string "w_exact w_stem w_synonym w_paraphrase" (default for tune: "1.0 0.5 0.5 0.5")
  *
  * Usage with mert-moses.pl:
- * --mertargs="--sctype METEOR --scconfig jar:/path/to/meteor-1.4.jar"
+ * --mertargs="--sctype METEOR --scconfig jar:/path/to/meteor-1.5.jar"
+ *
+ * Usage with mert-moses.pl when using --batch-mira:
+ * --batch-mira-args="--sctype METEOR --scconfig jar:/path/to/meteor-1.5.jar"
  */
 class MeteorScorer: public StatisticsBasedScorer
 {
@@ -54,6 +57,11 @@ public:
     return 23;
   }
 
+  virtual float getReferenceLength(const std::vector<ScoreStatsType>& totals) const {
+    // refLen is index 1 (see above stats comment)
+    return totals[1];
+  }
+
   virtual float calculateScore(const std::vector<ScoreStatsType>& comps) const;
 
 private: