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#include <boost/functional/hash_fwd.hpp> |
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#include "BidirectionalReorderingState.h" |
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#include "../../legacy/Util2.h" |
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#include "../../PhraseBased/Manager.h" |
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using namespace std; |
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namespace Moses2 |
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{ |
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BidirectionalReorderingState::BidirectionalReorderingState( |
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const LRModel &config, LRState *bw, LRState *fw, size_t offset) : |
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LRState(config, LRModel::Bidirectional, offset), m_backward(bw), m_forward( |
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fw) |
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{ |
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} |
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BidirectionalReorderingState::~BidirectionalReorderingState() |
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{ |
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} |
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void BidirectionalReorderingState::Init(const LRState *prev, |
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const TargetPhrase<Moses2::Word> &topt, const InputPathBase &path, bool first, |
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const Bitmap *coverage) |
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{ |
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if (m_backward) { |
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m_backward->Init(prev, topt, path, first, coverage); |
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} |
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if (m_forward) { |
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m_forward->Init(prev, topt, path, first, coverage); |
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} |
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} |
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std::string BidirectionalReorderingState::ToString() const |
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{ |
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return "BidirectionalReorderingState " + SPrint(this) + " " |
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+ SPrint(m_backward) + " " + SPrint(m_forward); |
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} |
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size_t BidirectionalReorderingState::hash() const |
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{ |
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size_t ret = m_backward->hash(); |
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boost::hash_combine(ret, m_forward->hash()); |
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return ret; |
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} |
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bool BidirectionalReorderingState::operator==(const FFState& o) const |
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{ |
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if (&o == this) return true; |
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BidirectionalReorderingState const &other = |
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static_cast<BidirectionalReorderingState const&>(o); |
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bool ret = (*m_backward == *other.m_backward) |
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&& (*m_forward == *other.m_forward); |
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return ret; |
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} |
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void BidirectionalReorderingState::Expand(const ManagerBase &mgr, |
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const LexicalReordering &ff, const Hypothesis &hypo, size_t phraseTableInd, |
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Scores &scores, FFState &state) const |
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{ |
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BidirectionalReorderingState &stateCast = |
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static_cast<BidirectionalReorderingState&>(state); |
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m_backward->Expand(mgr, ff, hypo, phraseTableInd, scores, |
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*stateCast.m_backward); |
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m_forward->Expand(mgr, ff, hypo, phraseTableInd, scores, |
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*stateCast.m_forward); |
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} |
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} |
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