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diff --git a/v0.6.4/src/transpair_model5.h b/v0.6.4/src/transpair_model5.h
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+/*
+
+Copyright (C) 2000,2001  Franz Josef Och (RWTH Aachen - Lehrstuhl fuer Informatik VI)
+
+This file is part of GIZA++ ( extension of GIZA ).
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful, 
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 
+USA.
+
+*/
+#ifndef transpair_model5_h_fjo_defined
+#define transpair_model5_h_fjo_defined
+#include "Array2.h"
+#include "defs.h"
+#include "Vector.h"
+#include "NTables.h"
+#include "ATables.h"
+#include "TTables.h"
+#include "alignment.h"
+#include "D5Tables.h"
+#include "transpair_model4.h"
+
+extern double factorial(int n);
+
+inline int vacancies(const Vector<char>&vac,int u)
+{
+  int n=0;
+  const char *i=&(vac[0])+1;
+  const char *end=&(vac[0])+u+1;
+  while(i<end)
+    n+= ((*i++)==0);
+  return n;
+}
+
+class transpair_model5 : public transpair_model4
+{
+ private:
+  const d5model&d5m;
+  bool doModel4Scoring;
+ public:
+  typedef transpair_model3 simpler_transpair_model;
+  mutable map<Vector<PositionIndex>,LogProb> scores[4];
+  transpair_model5(const Vector<WordIndex>&es, const Vector<WordIndex>&fs, tmodel<COUNT, PROB>&tTable, 
+		   amodel<PROB>&aTable, amodel<PROB>&dTable, nmodel<PROB>&nTable, double _p1, double _p0, 
+		   const d5model*_d5m) 
+    : transpair_model4(es, fs, tTable, aTable, dTable, nTable, _p1, _p0,&_d5m->d4m),d5m(*_d5m),doModel4Scoring(0) {}
+  LogProb scoreOfAlignmentForChange(const alignment&a)const
+    {
+      if( doModel4Scoring )
+	return transpair_model4::prob_of_target_and_alignment_given_source(a,2); 
+      else
+	return prob_of_target_and_alignment_given_source(a,2); 
+    }
+  LogProb scoreOfMove(const alignment&a, WordIndex new_i, WordIndex j,double thisValue=-1.0)const;
+  LogProb scoreOfSwap(const alignment&a, WordIndex j1, WordIndex j2,double thisValue=-1.0)const ;
+  LogProb _scoreOfMove(const alignment&a, WordIndex new_i, WordIndex j,double thisValue=-1.0)const;
+  LogProb _scoreOfSwap(const alignment&a, WordIndex j1, WordIndex j2,double thisValue=-1.0)const ;
+  int modelnr()const{return 5;}
+  LogProb prob_of_target_and_alignment_given_source(const alignment&al, short distortionType=3,bool verb=0)const;
+  void computeScores(const alignment&al,vector<double>&d)const;
+};
+#endif