Function phylofold::get_backward_tmp_sta_inside_part_func_mat_sets

pub fn get_backward_tmp_sta_inside_part_func_mat_sets(
    seq_len_pair: &(u16, u16), 
    sta_fe_params: &StaFeParams, 
    max_gap_num_4_il: u16, 
    pos_quadruple: &(u16, u16, u16, u16), 
    sta_inside_part_func_mat_sets: &StaInsidePartFuncMatSets, 
    bpp_mat_pair: &(&HashMap<(u16, u16), f64, BuildHasherDefault<FxHasher>>, &HashMap<(u16, u16), f64, BuildHasherDefault<FxHasher>>)
) -> TmpStaInsidePartFuncMatSets