From 4fffd2e746a4d6b643d35ae3fc4b374c770727c0 Mon Sep 17 00:00:00 2001
From: Patrick Simianer <p@simianer.de>
Date: Fri, 22 Nov 2013 14:27:29 +0100
Subject: argh, const

---
 training/dtrain/dtrain.h |  2 +-
 training/dtrain/score.cc | 18 +++++++++---------
 training/dtrain/score.h  | 16 ++++++++--------
 3 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/training/dtrain/dtrain.h b/training/dtrain/dtrain.h
index ccb5ad4d..eb23b813 100644
--- a/training/dtrain/dtrain.h
+++ b/training/dtrain/dtrain.h
@@ -64,7 +64,7 @@ struct LocalScorer
   vector<score_t> w_;
 
   virtual score_t
-  Score(vector<WordID>& hyp, vector<WordID>& ref, const unsigned rank, const unsigned src_len)=0;
+  Score(const vector<WordID>& hyp, const vector<WordID>& ref, const unsigned rank, const unsigned src_len)=0;
 
   virtual void Reset() {} // only for ApproxBleuScorer, LinearBleuScorer
 
diff --git a/training/dtrain/score.cc b/training/dtrain/score.cc
index 96d6e10a..127f34d2 100644
--- a/training/dtrain/score.cc
+++ b/training/dtrain/score.cc
@@ -32,7 +32,7 @@ BleuScorer::Bleu(NgramCounts& counts, const unsigned hyp_len, const unsigned ref
 }
 
 score_t
-BleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
+BleuScorer::Score(const vector<WordID>& hyp, const vector<WordID>& ref,
                   const unsigned /*rank*/, const unsigned /*src_len*/)
 {
   unsigned hyp_len = hyp.size(), ref_len = ref.size();
@@ -52,7 +52,7 @@ BleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
  * NOTE: 0 iff no 1gram match ('grounded')
  */
 score_t
-StupidBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
+StupidBleuScorer::Score(const vector<WordID>& hyp, const vector<WordID>& ref,
                         const unsigned /*rank*/, const unsigned /*src_len*/)
 {
   unsigned hyp_len = hyp.size(), ref_len = ref.size();
@@ -81,7 +81,7 @@ StupidBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
  * (Nakov et al. '12)
  */
 score_t
-FixedStupidBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
+FixedStupidBleuScorer::Score(const vector<WordID>& hyp, const vector<WordID>& ref,
                         const unsigned /*rank*/, const unsigned /*src_len*/)
 {
   unsigned hyp_len = hyp.size(), ref_len = ref.size();
@@ -112,7 +112,7 @@ FixedStupidBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
  * NOTE: max is 0.9375 (with N=4)
  */
 score_t
-SmoothBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
+SmoothBleuScorer::Score(const vector<WordID>& hyp, const vector<WordID>& ref,
                         const unsigned /*rank*/, const unsigned /*src_len*/)
 {
   unsigned hyp_len = hyp.size(), ref_len = ref.size();
@@ -143,7 +143,7 @@ SmoothBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
  * sum up Ngram precisions
  */
 score_t
-SumBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
+SumBleuScorer::Score(const vector<WordID>& hyp, const vector<WordID>& ref,
                         const unsigned /*rank*/, const unsigned /*src_len*/)
 {
   unsigned hyp_len = hyp.size(), ref_len = ref.size();
@@ -167,7 +167,7 @@ SumBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
  * sum up exp(Ngram precisions)
  */
 score_t
-SumExpBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
+SumExpBleuScorer::Score(const vector<WordID>& hyp, const vector<WordID>& ref,
                         const unsigned /*rank*/, const unsigned /*src_len*/)
 {
   unsigned hyp_len = hyp.size(), ref_len = ref.size();
@@ -191,7 +191,7 @@ SumExpBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
  * sum up exp(weight * log(Ngram precisions))
  */
 score_t
-SumWhateverBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
+SumWhateverBleuScorer::Score(const vector<WordID>& hyp, const vector<WordID>& ref,
                         const unsigned /*rank*/, const unsigned /*src_len*/)
 {
   unsigned hyp_len = hyp.size(), ref_len = ref.size();
@@ -224,7 +224,7 @@ SumWhateverBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
  *       No scaling by src len.
  */
 score_t
-ApproxBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
+ApproxBleuScorer::Score(const vector<WordID>& hyp, const vector<WordID>& ref,
                         const unsigned rank, const unsigned src_len)
 {
   unsigned hyp_len = hyp.size(), ref_len = ref.size();
@@ -255,7 +255,7 @@ ApproxBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
  *
  */
 score_t
-LinearBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
+LinearBleuScorer::Score(const vector<WordID>& hyp, const vector<WordID>& ref,
                         const unsigned rank, const unsigned /*src_len*/)
 {
   unsigned hyp_len = hyp.size(), ref_len = ref.size();
diff --git a/training/dtrain/score.h b/training/dtrain/score.h
index 2a49e52d..1cdd3fa9 100644
--- a/training/dtrain/score.h
+++ b/training/dtrain/score.h
@@ -144,37 +144,37 @@ struct BleuScorer : public LocalScorer
 
 struct StupidBleuScorer : public LocalScorer
 {
-  score_t Score(vector<WordID>& hyp, vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
+  score_t Score(const vector<WordID>& hyp, const vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
   void Reset() {}
 };
 
 struct FixedStupidBleuScorer : public LocalScorer
 {
-  score_t Score(vector<WordID>& hyp, vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
+  score_t Score(const vector<WordID>& hyp, const vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
   void Reset() {}
 };
 
 struct SmoothBleuScorer : public LocalScorer
 {
-  score_t Score(vector<WordID>& hyp, vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
+  score_t Score(const vector<WordID>& hyp, const vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
   void Reset() {}
 };
 
 struct SumBleuScorer : public LocalScorer
 {
-  score_t Score(vector<WordID>& hyp, vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
+  score_t Score(const vector<WordID>& hyp, const vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
   void Reset() {}
 };
 
 struct SumExpBleuScorer : public LocalScorer
 {
-  score_t Score(vector<WordID>& hyp, vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
+  score_t Score(const vector<WordID>& hyp, const vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
   void Reset() {}
 };
 
 struct SumWhateverBleuScorer : public LocalScorer
 {
-  score_t Score(vector<WordID>& hyp, vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
+  score_t Score(const vector<WordID>& hyp, const vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
   void Reset() {};
 };
 
@@ -194,7 +194,7 @@ struct ApproxBleuScorer : public BleuScorer
     glob_hyp_len_ = glob_ref_len_ = glob_src_len_ = 0.;
   }
 
-  score_t Score(vector<WordID>& hyp, vector<WordID>& ref, const unsigned rank, const unsigned src_len);
+  score_t Score(const vector<WordID>& hyp, const vector<WordID>& ref, const unsigned rank, const unsigned src_len);
 };
 
 struct LinearBleuScorer : public BleuScorer
@@ -207,7 +207,7 @@ struct LinearBleuScorer : public BleuScorer
     onebest_counts_.One();
   }
 
-  score_t Score(vector<WordID>& hyp, vector<WordID>& ref, const unsigned rank, const unsigned /*src_len*/);
+  score_t Score(const vector<WordID>& hyp, const vector<WordID>& ref, const unsigned rank, const unsigned /*src_len*/);
 
   inline void Reset() {
     onebest_len_ = 1;
-- 
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