From 01e219ec7d0bbd81471d7e6978397a2d53a71246 Mon Sep 17 00:00:00 2001
From: Chris Dyer <cdyer@cs.cmu.edu>
Date: Tue, 3 May 2011 17:30:30 -0400
Subject: mira finished, clean up

---
 decoder/decoder.cc    | 2 +-
 mteval/scorer.cc      | 8 +++++---
 utils/sparse_vector.h | 6 +++---
 3 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/decoder/decoder.cc b/decoder/decoder.cc
index d8dd0c61..ff068be9 100644
--- a/decoder/decoder.cc
+++ b/decoder/decoder.cc
@@ -942,7 +942,7 @@ bool DecoderImpl::Decode(const string& input, DecoderObserver* o) {
     } else if (csplit_output_plf) {
       cout << HypergraphIO::AsPLF(forest, false) << endl;
     } else {
-      if (!graphviz && !has_ref && !joshua_viz) {
+      if (!graphviz && !has_ref && !joshua_viz && !SILENT) {
         vector<WordID> trans;
         ViterbiESentence(forest, &trans);
         cout << TD::GetString(trans) << endl << flush;
diff --git a/mteval/scorer.cc b/mteval/scorer.cc
index 04eeaa93..64ce63af 100644
--- a/mteval/scorer.cc
+++ b/mteval/scorer.cc
@@ -410,8 +410,7 @@ void BLEUScore::ScoreDetails(string* details) const {
   float bleu = ComputeScore(&precs, &bp);
   for (int i=N();i<4;++i)
     precs[i]=0.;
-  char *bufn;
-  bufn=buf+sprintf(buf, "BLEU = %.2f, %.1f|%.1f|%.1f|%.1f (brev=%.3f)",
+  sprintf(buf, "BLEU = %.2f, %.1f|%.1f|%.1f|%.1f (brev=%.3f)",
        bleu*100.0,
        precs[0]*100.0,
        precs[1]*100.0,
@@ -427,7 +426,10 @@ float BLEUScore::ComputeScore(vector<float>* precs, float* bp) const {
   int count = 0;
   for (int i = 0; i < N(); ++i) {
     if (hyp_ngram_counts[i] > 0) {
-      float lprec = log(correct_ngram_hit_counts[i]) - log(hyp_ngram_counts[i]);
+      float cor_count = correct_ngram_hit_counts[i];
+      // smooth bleu
+      if (!cor_count) { cor_count = 0.01; }
+      float lprec = log(cor_count) - log(hyp_ngram_counts[i]);
       if (precs) precs->push_back(exp(lprec));
       log_bleu += lprec;
       ++count;
diff --git a/utils/sparse_vector.h b/utils/sparse_vector.h
index e3721b50..a55436fb 100644
--- a/utils/sparse_vector.h
+++ b/utils/sparse_vector.h
@@ -42,14 +42,14 @@ BOOST_CLASS_TRACKING(SparseVector<double>,track_never)
 #include "fast_sparse_vector.h"
 #define SparseVector FastSparseVector
 
-template <class T>
-SparseVector<T> operator*(const SparseVector<T>& a, const double& b) {
+template <class T, typename S>
+SparseVector<T> operator*(const SparseVector<T>& a, const S& b) {
   SparseVector<T> result = a;
   return result *= b;
 }
 
 template <class T>
-SparseVector<T> operator*(const SparseVector<T>& a, const T& b) {
+SparseVector<T> operator*(const SparseVector<T>& a, const double& b) {
   SparseVector<T> result = a;
   return result *= b;
 }
-- 
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