compute_bayes_class_all (*)
  p_tok_given_pint (int/tok)
  p_pint (*)

p_tok_given_pint (int/tok)
  tok_count_by_pint (tok+int)
  pint_count (int)

p_pint (*)
  pint_count (int)
  tok_total (*)

pint_count (int)
  tok_count_by_pint

tok_count_by_pint (tok+int)
  bayes_toks

tok_total (*)
  bayes_toks
