inline void
predict(std::vector<int> &results,
size_t k,
const fv_t &query) const
{
InvertedIndex::result_t knn;
m_inverted_index.knn(knn, k, query);
results.clear();
for (auto i = knn.begin(); i != knn.end(); ++i) {
results.push_back(m_centroid_labels[i->id]);
}
}
