Function write_alignfold_prob_mats 

pub fn write_alignfold_prob_mats<T>(
    output_dir_path: &Path,
    alignfold_prob_mats_avg: &Vec<AlignfoldProbMatsAvg<T>>,
    match_probs_hashed_ids: &HashMap<(usize, usize), MatchProbMats<T>>,
    produces_context_profs: bool,
    produces_match_probs: bool,
)
where
    T: HashIndex,