From f28e6d45671035d39dcfc25070c72f6e120032e1 Mon Sep 17 00:00:00 2001
From: graehl <graehl@ec762483-ff6d-05da-a07a-a48fb63a330f>
Date: Tue, 20 Jul 2010 00:11:45 +0000
Subject: Score::TimesEquals for vlad-mira, intrusive refcount for Score,
 shared_ptr compile fixes for decoder progs

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@331 ec762483-ff6d-05da-a07a-a48fb63a330f
---
 vest/scorer.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'vest/scorer.h')

diff --git a/vest/scorer.h b/vest/scorer.h
index 29ba5377..0d90f378 100644
--- a/vest/scorer.h
+++ b/vest/scorer.h
@@ -5,21 +5,23 @@
 #include <boost/shared_ptr.hpp>
 //TODO: use intrusive shared_ptr in Score (because there are many of them on ErrorSurfaces)
 #include "wordid.h"
+#include "intrusive_refcount.hpp"
 
 class Score;
 class SentenceScorer;
-typedef boost::shared_ptr<Score> ScoreP;
+typedef boost::intrusive_ptr<Score> ScoreP;
 typedef boost::shared_ptr<SentenceScorer> ScorerP;
 
 class ViterbiEnvelope;
 class ErrorSurface;
 class Hypergraph;  // needed for alignment
 
+//TODO: BLEU N (N separate arg, not part of enum)?
 enum ScoreType { IBM_BLEU, NIST_BLEU, Koehn_BLEU, TER, BLEU_minus_TER_over_2, SER, AER, IBM_BLEU_3 };
 ScoreType ScoreTypeFromString(const std::string& st);
 std::string StringFromScoreType(ScoreType st);
 
-class Score {
+class Score : public boost::intrusive_refcount<Score> {
  public:
   virtual ~Score();
   virtual float ComputeScore() const = 0;
@@ -30,6 +32,8 @@ class Score {
     ScoreDetails(&d);
     return d;
   }
+  virtual void TimesEquals(float scale); // only for bleu; for mira oracle
+  /// same as rhs.TimesEquals(scale);PlusEquals(rhs) except doesn't modify rhs.
   virtual void PlusEquals(const Score& rhs, const float scale) = 0;
   virtual void PlusEquals(const Score& rhs) = 0;
   virtual void PlusPartialEquals(const Score& rhs, int oracle_e_cover, int oracle_f_cover, int src_len) = 0;
-- 
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