Method BatchQuery

include/rabitqlib/index/query.hpp:25–34

    T G_k1xSumq_ = 0;  // G_k1xSumq
    MetricType metric_type_;

   public:
    explicit BatchQuery(
        const T* rotated_query, size_t padded_dim, MetricType metric_type = METRIC_L2
    )
        : lookup_table_(rotated_query, padded_dim), metric_type_(metric_type) {
        float c_1 = -((1 << 1) - 1) / 2.F;

        T sumq =
            std::accumulate(rotated_query, rotated_query + padded_dim, static_cast<T>(0));

        G_k1xSumq_ = sumq * c_1;
    }