private static final double ALLOWED_ERROR = 1.0e-10;
  private static final QuantilesAlgorithm REFERENCE_ALGORITHM = QuantilesAlgorithm.SORTING;
  private static final ImmutableSet<QuantilesAlgorithm> NON_REFERENCE_ALGORITHMS =
      Sets.difference(
              ImmutableSet.copyOf(QuantilesAlgorithm.values()),
              ImmutableSet.of(REFERENCE_ALGORITHM))
          .immutableCopy();

      ContiguousSet.create(Range.closed(0, 10), DiscreteDomain.integers());

  @Param({"10", "100", "1000", "10000", "100000"})
  int datasetSize;

  @Param QuantilesAlgorithm algorithm;

  private final double[][] datasets = new double[0x100][];

  @BeforeExperiment
  void setUp() {
    Random rng = new Random();
    for (int i = 0; i < 0x100; i++) {