LexicalReorderingState *LexicalReorderingConfiguration::CreateLexicalReorderingState(const InputType &input) const {
LexicalReorderingState *bwd = NULL, *fwd = NULL;
size_t offset = 0;
switch(m_direction) {
case Backward:
case Bidirectional:
if (m_phraseBased) { //Same for forward and backward
bwd = new PhraseBasedReorderingState(*this, LexicalReorderingConfiguration::Backward, offset);
} else {
bwd = new HierarchicalReorderingBackwardState(*this, offset);
}
offset += m_collapseScores ? 1 : GetNumberOfTypes();
if (m_direction == Backward)
return bwd; // else fall through
case Forward:
if (m_phraseBased) { //Same for forward and backward
fwd = new PhraseBasedReorderingState(*this, LexicalReorderingConfiguration::Forward, offset);
} else {
fwd = new HierarchicalReorderingForwardState(*this, input.GetSize(), offset);
}
offset += m_collapseScores ? 1 : GetNumberOfTypes();
if (m_direction == Forward)
return fwd;
}
return new BidirectionalReorderingState(*this, bwd, fwd, 0);
}
LRState *
LRModel::
CreateLRState(const InputType &input) const
{
LRState *bwd = NULL, *fwd = NULL;
size_t offset = 0;
switch(m_direction) {
case Backward:
case Bidirectional:
if (m_phraseBased)
bwd = new PhraseBasedReorderingState(*this, Backward, offset);
else
bwd = new HReorderingBackwardState(*this, offset);
offset += m_collapseScores ? 1 : GetNumberOfTypes();
if (m_direction == Backward) return bwd; // else fall through
case Forward:
if (m_phraseBased)
fwd = new PhraseBasedReorderingState(*this, Forward, offset);
else
fwd = new HReorderingForwardState(*this, input.GetSize(), offset);
offset += m_collapseScores ? 1 : GetNumberOfTypes();
if (m_direction == Forward) return fwd;
}
return new BidirectionalReorderingState(*this, bwd, fwd, 0);
}
size_t LexicalReorderingConfiguration::GetNumScoreComponents() const {
size_t score_per_dir = m_collapseScores ? 1 : GetNumberOfTypes();
if (m_direction == Bidirectional) {
return 2 * score_per_dir;
} else {
return score_per_dir;
}
}
size_t
LRModel::
GetNumScoreComponents() const
{
size_t score_per_dir = m_collapseScores ? 1 : GetNumberOfTypes();
return ((m_direction == Bidirectional)
? 2 * score_per_dir + m_additionalScoreComponents
: score_per_dir + m_additionalScoreComponents);
}
