.isWithin(ALLOWED_ERROR * INTEGER_MANY_VALUES_SUM_OF_SQUARES_OF_DELTAS)
        .of(INTEGER_MANY_VALUES_SUM_OF_SQUARES_OF_DELTAS / INTEGER_MANY_VALUES_COUNT);
    assertThat(longManyValuesAccumulatorByAddAllIterator.populationVariance())
        .isWithin(ALLOWED_ERROR * LONG_MANY_VALUES_SUM_OF_SQUARES_OF_DELTAS)
        .of(LONG_MANY_VALUES_SUM_OF_SQUARES_OF_DELTAS / LONG_MANY_VALUES_COUNT);

        .isWithin(ALLOWED_ERROR * INTEGER_MANY_VALUES_SUM_OF_SQUARES_OF_DELTAS)
        .of(INTEGER_MANY_VALUES_SUM_OF_SQUARES_OF_DELTAS / INTEGER_MANY_VALUES_COUNT);
    assertThat(INTEGER_MANY_VALUES_STATS_ITERABLE.populationVariance())
        .isWithin(ALLOWED_ERROR * INTEGER_MANY_VALUES_SUM_OF_SQUARES_OF_DELTAS)
        .of(INTEGER_MANY_VALUES_SUM_OF_SQUARES_OF_DELTAS / INTEGER_MANY_VALUES_COUNT);

   * #MANY_VALUES_COUNT} values. If all the values are finite then the mean is {@link
   * #MANY_VALUES_MEAN} and the sum-of-squares-of-deltas is {@link
   * #MANY_VALUES_SUM_OF_SQUARES_OF_DELTAS}. The smallest and largest finite values are always
   * {@link #MANY_VALUES_MIN} and {@link #MANY_VALUES_MAX}, although setting non-finite values will
   * change the true min and max.
   */

    Function<Integer, Integer> square =
        new Function<Integer, Integer>() {
          @Override
          public Integer apply(Integer in) {
            return in * in;
          }
        };
    Multimap<String, Integer> transformed = Multimaps.transformValues(multimap, square);
    assertThat(transformed.entries())
        .containsExactly(

   * #MANY_VALUES_COUNT} values. If all the values are finite then the mean is {@link
   * #MANY_VALUES_MEAN} and the sum-of-squares-of-deltas is {@link
   * #MANY_VALUES_SUM_OF_SQUARES_OF_DELTAS}. The smallest and largest finite values are always
   * {@link #MANY_VALUES_MIN} and {@link #MANY_VALUES_MAX}, although setting non-finite values will
   * change the true min and max.
   */

            0, SIXTEEN_SQUARES_MIN,
            10, SIXTEEN_SQUARES_MAX,
            5, SIXTEEN_SQUARES_MEDIAN,
            1, SIXTEEN_SQUARES_DECILE_1,
            8, SIXTEEN_SQUARES_DECILE_8);
    assertThat(dataset).asList().isEqualTo(SIXTEEN_SQUARES_INTEGERS);
  }

  public void testScale_indexes_varargs_computeInPlace() {
    double[] dataset = Doubles.toArray(SIXTEEN_SQUARES_DOUBLES);

            0, SIXTEEN_SQUARES_MIN,
            10, SIXTEEN_SQUARES_MAX,
            5, SIXTEEN_SQUARES_MEDIAN,
            1, SIXTEEN_SQUARES_DECILE_1,
            8, SIXTEEN_SQUARES_DECILE_8);
    assertThat(dataset).asList().isEqualTo(SIXTEEN_SQUARES_INTEGERS);
  }

  public void testScale_indexes_varargs_computeInPlace() {
    double[] dataset = Doubles.toArray(SIXTEEN_SQUARES_DOUBLES);

  public void testSqrtExactMatchesFloorOrThrows() {
    for (long x : POSITIVE_LONG_CANDIDATES) {
      long sqrtFloor = LongMath.sqrt(x, FLOOR);
      // We only expect an exception if x was not a perfect square.
      boolean isPerfectSquare = (sqrtFloor * sqrtFloor == x);
      try {
        assertEquals(sqrtFloor, LongMath.sqrt(x, UNNECESSARY));
        assertTrue(isPerfectSquare);
      } catch (ArithmeticException e) {

 * endpoint) or <i>closed</i> (includes the endpoint) on that side. With three possibilities on each
 * side, this yields nine basic types of ranges, enumerated below. (Notation: a square bracket
 * ({@code [ ]}) indicates that the range is closed on that side; a parenthesis ({@code ( )}) means
 * it is either open or unbounded. The construct {@code {x | statement}} is read "the set of all