Method g_add

include/rabitqlib/index/query.hpp:42–42

    [[nodiscard]] T k1xsumq() const { return G_k1xSumq_; }

    [[nodiscard]] T g_add() const { return G_add_; }

    void set_g_add(T dist) {
        // For L2, dist is the compute by euclidean_sqr()