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