numerics = {
  'num zero': 0,
  'num one': 1,
  'num frac': .42,
  'num positive': 1024,
  'num negative': -1024,
    # 'num EPSILON': Number.EPSILON,
    # 'num NaN': Number.NaN,
    # 'num POS_INF': Number.POSITIVE_INFINITY,
    # 'num NEG_INF': Number.NEGATIVE_INFINITY,
}