1 files changed, 70 insertions, 0 deletions
diff --git a/moses/TranslationModel/UG/sapt_pscore_pfwd.h b/moses/TranslationModel/UG/sapt_pscore_pfwd.h
new file mode 100644
index 000000000..ed48a93d2
--- /dev/null
+++ b/moses/TranslationModel/UG/sapt_pscore_pfwd.h
@@ -0,0 +1,70 @@
+// -*- c++ -*-
+// written by Ulrich Germann 
+#pragma once
+#include "moses/TranslationModel/UG/mm/ug_bitext.h"
+#include "util/exception.hh"
+#include "boost/format.hpp"
+#include "boost/foreach.hpp"
+
+namespace Moses {
+  namespace bitext
+  {
+    template<typename Token>
+    class
+    PScorePfwd : public PhraseScorer<Token>
+    {
+      float   conf;
+      string denom;
+
+    public:
+
+      PScorePfwd(float const c, string d) 
+      { 
+	this->m_index = -1;
+	conf  = c; 
+	denom = d;
+	size_t checksum = d.size();
+	BOOST_FOREACH(char const& x, denom)
+	  {
+	    if (x == '+') { --checksum; continue; }
+	    if (x != 'g' && x != 's' && x != 'r') continue;
+	    string s = (format("pfwd-%c%.3f") % x % c).str();
+	    this->m_feature_names.push_back(s);
+	  }
+	this->m_num_feats = this->m_feature_names.size();
+	UTIL_THROW_IF2(this->m_feature_names.size() != checksum, 
+		       "Unknown parameter in specification '" 
+		       << d << "' for Pfwd phrase scorer at " << HERE);
+      }
+      
+      void 
+      operator()(Bitext<Token> const& bt, PhrasePair<Token> & pp, 
+		 vector<float> * dest = NULL) const
+      {
+	if (!dest) dest = &pp.fvals;
+	if (pp.joint > pp.good1) 
+	  {
+	    pp.joint = pp.good1;
+	    // cerr<<bt.toString(pp.p1,0)<<" ::: "<<bt.toString(pp.p2,1)<<endl;
+	    // cerr<<pp.joint<<"/"<<pp.good1<<"/"<<pp.raw2<<endl;
+	  }
+	size_t i = this->m_index;
+	BOOST_FOREACH(char const& c, this->denom)
+	  {
+	    switch (c)
+	      {
+	      case 'g': 
+		(*dest)[i++] = log(lbop(pp.good1, pp.joint, conf)); 
+		break;
+	      case 's': 
+		(*dest)[i++] = log(lbop(pp.sample1, pp.joint, conf)); 
+		break;
+	      case 'r':
+		(*dest)[i++] = log(lbop(pp.raw1, pp.joint, conf)); 
+	      }
+	  }
+      }
+    };
+  }
+}
+