mirror of
https://github.com/moses-smt/mosesdecoder.git
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68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
// -*- c++ -*-
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// Phrase scorer that counts the number of unaligend words in the phrase
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// written by Ulrich Germann
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#include "sapt_pscore_base.h"
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#include <boost/dynamic_bitset.hpp>
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namespace Moses {
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namespace bitext
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{
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template<typename Token>
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class
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PScoreUnaligned : public PhraseScorer<Token>
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{
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typedef boost::dynamic_bitset<uint64_t> bitvector;
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public:
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PScoreUnaligned(string const spec)
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{
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this->m_index = -1;
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int f = this->m_num_feats = atoi(spec.c_str());
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UTIL_THROW_IF2(f != 1 && f != 2,"unal parameter must be 1 or 2 at "<<HERE);
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this->m_feature_names.resize(f);
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if (f == 1)
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this->m_feature_names[0] = "unal";
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else
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{
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this->m_feature_names[0] = "unal-s";
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this->m_feature_names[1] = "unal-t";
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}
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}
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bool
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isLogVal(int i) const { return false; }
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bool
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isIntegerValued(int i) const { return true; }
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void
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operator()(Bitext<Token> const& bt,
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PhrasePair<Token>& pp,
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vector<float> * dest = NULL) const
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{
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if (!dest) dest = &pp.fvals;
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// uint32_t sid1=0,sid2=0,off1=0,off2=0,len1=0,len2=0;
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// parse_pid(pp.p1, sid1, off1, len1);
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// parse_pid(pp.p2, sid2, off2, len2);
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bitvector check1(pp.len1),check2(pp.len2);
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for (size_t i = 0; i < pp.aln.size(); )
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{
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check1.set(pp.aln[i++]);
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check2.set(pp.aln.at(i++));
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}
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if (this->m_num_feats == 1)
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{
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(*dest)[this->m_index] = pp.len1 - check1.count();
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(*dest)[this->m_index] += pp.len2 - check2.count();
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}
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else
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{
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(*dest)[this->m_index] = pp.len1 - check1.count();
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(*dest)[this->m_index+1] = pp.len2 - check2.count();
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}
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}
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};
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} // namespace bitext
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} // namespace Moses
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