Function neofold::prob_cons_transformation_of_log_prob_mat_pair_on_sta

pub fn prob_cons_transformation_of_log_prob_mat_pair_on_sta(
    log_prob_mat_pairs_on_sta_with_rna_id_pairs: &HashMap<(usize, usize), LogProbMatPairOnSta, BuildHasherDefault<FnvHasher>>, 
    rna_id_pair: &(usize, usize), 
    num_of_rnas: usize
) -> LogProbMatPairOnSta