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Diffstat (limited to 'mgizapp/src/transpair_model4.h')
| -rw-r--r-- | mgizapp/src/transpair_model4.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/mgizapp/src/transpair_model4.h b/mgizapp/src/transpair_model4.h new file mode 100644 index 0000000..c8e1853 --- /dev/null +++ b/mgizapp/src/transpair_model4.h @@ -0,0 +1,79 @@ +/* + +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_model4_h_fjo_defined +#define transpair_model4_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 "D4Tables.h" +#include "transpair_model3.h" + +extern double factorial(int n); + +class transpair_model4 : public transpair_model3 +{ + private: + d4model&d4m; + Array2<double> probSecond; + Vector<Array2<double> > probFirst; + public: + typedef transpair_model3 simpler_transpair_model; + transpair_model4(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,d4model*_d4m) + : transpair_model3(es, fs, tTable, aTable, dTable, nTable, _p1, _p0), + d4m(*_d4m),probSecond(m+1,m+1,0.0),probFirst(l+1) + { + for(unsigned int j1=1;j1<=m;++j1) + for(unsigned int j2=1;j2<j1;++j2) + { + probSecond(j1,j2)=d4m.getProb_bigger(j1,j2,0,d4m.fwordclasses->getClass(get_fs(j1)),l,m); + } + for(unsigned int i=0;i<=l;++i) + { + Array2<double> &pf=probFirst[i]=Array2<double>(m+1,m+1,0.0); + for(unsigned int j1=1;j1<=m;++j1) + { + map<m4_key,d4model::Vpff,compare1 >::const_iterator ci=d4m.getProb_first_iterator(d4m.ewordclasses->getClass(get_es(i)),d4m.fwordclasses->getClass(get_fs(j1)),l,m); + for(unsigned int j2=0;j2<=m;++j2) + { + pf(j1,j2)=d4m.getProb_first_withiterator(j1,j2,m,ci); + massert(pf(j1,j2)==d4m.getProb_first(j1,j2,d4m.ewordclasses->getClass(get_es(i)),d4m.fwordclasses->getClass(get_fs(j1)),l,m)); + } + } + } + } + LogProb prob_of_target_and_alignment_given_source_1(const alignment&al,bool verb)const; + LogProb scoreOfAlignmentForChange(const alignment&a)const + {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 4;} + 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 |