| /* |
| |
| 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 |