[
  {
    "fn": "num::factor::factorial",
    "in": {
      "number": 25
    },
    "out": "15511210043330985984000000",
    "note": "the u128 crossing: 25! as a decimal string"
  },
  {
    "fn": "num::factor::gcd",
    "in": {
      "pairs": [
        [
          "1071",
          "462"
        ],
        [
          "1267650600228229401496703205376",
          "1152921504606846976"
        ]
      ]
    },
    "out": [
      "21",
      "1152921504606846976"
    ],
    "note": "two calls, (1071, 462) and (2^100, 2^60), u128 in and out as decimal strings"
  },
  {
    "fn": "num::factor::divisors",
    "in": {
      "number": 360
    },
    "out": [
      1,
      2,
      3,
      4,
      5,
      6,
      8,
      9,
      10,
      12,
      15,
      18,
      20,
      24,
      30,
      36,
      40,
      45,
      60,
      72,
      90,
      120,
      180,
      360
    ],
    "note": "the 24 divisors of 360 in ascending order"
  },
  {
    "fn": "num::factor::mobius_sieve",
    "in": {
      "limit": 30
    },
    "out": [
      0,
      1,
      -1,
      -1,
      0,
      -1,
      1,
      -1,
      0,
      0,
      1,
      -1,
      0,
      -1,
      1,
      1,
      0,
      -1,
      0,
      -1,
      0,
      1,
      1,
      -1,
      0,
      0,
      1,
      0,
      0,
      -1,
      -1
    ],
    "note": "OEIS A008683 with a leading pad: 31 entries, mu(n) at index n"
  },
  {
    "fn": "num::prime::is_prime",
    "in": {
      "from": 1,
      "to": 100
    },
    "out": [
      2,
      3,
      5,
      7,
      11,
      13,
      17,
      19,
      23,
      29,
      31,
      37,
      41,
      43,
      47,
      53,
      59,
      61,
      67,
      71,
      73,
      79,
      83,
      89,
      97
    ],
    "note": "the 25 numbers in 1..=100 the test keeps"
  },
  {
    "fn": "num::series::zeta",
    "in": {
      "s": 2.0,
      "terms": 1000
    },
    "out": 1.644934066848,
    "note": "the f64 crossing: pi squared over six, rounded to 12 decimals"
  }
]