virtual double log_probability(Iter const & iter) const {
int x = (int) (iter.emission(_slotID) + _offset);
assert(x >= 0);
if (x < _tblSize)
return _logp_tbl[x];
return logprob(x);
}
double log_probability(Iter const & iter) const {
double log_prob = _func->log_probability(iter);
if (std::isnan(log_prob))
throw QHMMException("NaN detected", "log_probability", false, _stateID, _slotID, iter.index(), iter.emission(_slotID)); // TODO: support higher dimensions!
return log_prob;
}
