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new dc7495e STATISTICS-82: Javadoc the maximum supported count.
dc7495e is described below
commit dc7495e0bd2486fff022a44ebe1ddecdd69d8884
Author: Alex Herbert <aherb...@apache.org>
AuthorDate: Thu Dec 28 09:02:18 2023 +0000
STATISTICS-82: Javadoc the maximum supported count.
---
.../org/apache/commons/statistics/descriptive/DoubleStatistics.java | 3 +++
.../java/org/apache/commons/statistics/descriptive/FirstMoment.java | 3 +++
.../org/apache/commons/statistics/descriptive/GeometricMean.java | 3 +++
.../main/java/org/apache/commons/statistics/descriptive/IntMean.java | 5 +++--
.../apache/commons/statistics/descriptive/IntStandardDeviation.java | 4 ++--
.../main/java/org/apache/commons/statistics/descriptive/IntSum.java | 4 ++--
.../org/apache/commons/statistics/descriptive/IntSumOfSquares.java | 4 ++--
.../java/org/apache/commons/statistics/descriptive/IntVariance.java | 4 ++--
.../java/org/apache/commons/statistics/descriptive/Kurtosis.java | 3 +++
.../java/org/apache/commons/statistics/descriptive/LongMean.java | 5 +++--
.../apache/commons/statistics/descriptive/LongStandardDeviation.java | 4 ++--
.../main/java/org/apache/commons/statistics/descriptive/LongSum.java | 4 ++--
.../org/apache/commons/statistics/descriptive/LongSumOfSquares.java | 4 ++--
.../java/org/apache/commons/statistics/descriptive/LongVariance.java | 4 ++--
.../main/java/org/apache/commons/statistics/descriptive/Mean.java | 3 +++
.../java/org/apache/commons/statistics/descriptive/Skewness.java | 3 +++
.../org/apache/commons/statistics/descriptive/StandardDeviation.java | 3 +++
.../apache/commons/statistics/descriptive/SumOfCubedDeviations.java | 3 +++
.../apache/commons/statistics/descriptive/SumOfFourthDeviations.java | 3 +++
.../commons/statistics/descriptive/SumOfSquaredDeviations.java | 3 +++
.../java/org/apache/commons/statistics/descriptive/Variance.java | 3 +++
21 files changed, 55 insertions(+), 20 deletions(-)
diff --git
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/DoubleStatistics.java
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/DoubleStatistics.java
index 299f52a..d77bc64 100644
---
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/DoubleStatistics.java
+++
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/DoubleStatistics.java
@@ -28,6 +28,9 @@ import java.util.function.Function;
* <p>This class provides combinations of individual statistic implementations
in the
* {@code org.apache.commons.statistics.descriptive} package.
*
+ * <p>Supports up to 2<sup>63</sup> (exclusive) observations.
+ * This implementation does not check for overflow of the count.
+ *
* @since 1.1
*/
public final class DoubleStatistics implements DoubleConsumer {
diff --git
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/FirstMoment.java
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/FirstMoment.java
index 5fe08f5..50ad24a 100644
---
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/FirstMoment.java
+++
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/FirstMoment.java
@@ -35,6 +35,9 @@ import java.util.function.DoubleConsumer;
* {@code NaN} may also be returned if the input includes {@code NaN} and / or
infinite
* values of opposite sign.
*
+ * <p>Supports up to 2<sup>63</sup> (exclusive) observations.
+ * This implementation does not check for overflow of the count.
+ *
* <p><strong>Note that this implementation is not synchronized.</strong> If
* multiple threads access an instance of this class concurrently, and at least
* one of the threads invokes the {@link
java.util.function.DoubleConsumer#accept(double) accept} or
diff --git
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/GeometricMean.java
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/GeometricMean.java
index 64f0647..e5342a4 100644
---
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/GeometricMean.java
+++
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/GeometricMean.java
@@ -38,6 +38,9 @@ package org.apache.commons.statistics.descriptive;
* and at least one value is zero, and one value is {@code +infinity}.
* </ul>
*
+ * <p>Supports up to 2<sup>63</sup> (exclusive) observations.
+ * This implementation does not check for overflow of the count.
+ *
* <p>This class is designed to work with (though does not require)
* {@linkplain java.util.stream streams}.
*
diff --git
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/IntMean.java
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/IntMean.java
index 9bd384d..3c77d13 100644
---
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/IntMean.java
+++
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/IntMean.java
@@ -28,8 +28,9 @@ package org.apache.commons.statistics.descriptive;
* <li>The result is {@code NaN} if no values are added.
* </ul>
*
- * <p>This class uses an exact integer sum to compute the mean. It supports up
to 2<sup>63</sup>
- * values as the count \( n \) is maintained as a {@code long}.
+ * <p>This class uses an exact integer sum to compute the mean.
+ * Supports up to 2<sup>63</sup> (exclusive) observations.
+ * This implementation does not check for overflow of the count.
*
* <p>This class is designed to work with (though does not require)
* {@linkplain java.util.stream streams}.
diff --git
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/IntStandardDeviation.java
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/IntStandardDeviation.java
index 9460df5..eb1fc23 100644
---
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/IntStandardDeviation.java
+++
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/IntStandardDeviation.java
@@ -42,8 +42,8 @@ package org.apache.commons.statistics.descriptive;
*
* <p>\[ \frac {n \times \sum_{i=1}^n x_i^2 - (\sum_{i=1}^n x_i)^2}{n \times
(n - 1)} \]
*
- * <p>It supports up to 2<sup>63</sup> values as the count \( n \) is
maintained
- * as a {@code long}.
+ * <p>Supports up to 2<sup>63</sup> (exclusive) observations.
+ * This implementation does not check for overflow of the count.
*
* <p>This class is designed to work with (though does not require)
* {@linkplain java.util.stream streams}.
diff --git
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/IntSum.java
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/IntSum.java
index d1f4775..6b3b5d4 100644
---
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/IntSum.java
+++
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/IntSum.java
@@ -25,8 +25,7 @@ import java.math.BigInteger;
* <li>The result is zero if no values are added.
* </ul>
*
- * <p>This class uses an exact integer sum. It supports up to 2<sup>63</sup>
- * values as the count \( n \) is maintained as a {@code long}. The exact sum
is
+ * <p>This class uses an exact integer sum. The exact sum is
* returned using {@link #getAsBigInteger()}. Methods that return {@code int}
or
* {@code long} primitives will raise an exception if the result overflows.
* The {@code long} value is safe up to the maximum array length for any input
@@ -34,6 +33,7 @@ import java.math.BigInteger;
*
* <p>Note that the implementation does not use {@code BigInteger} arithmetic;
for
* performance the sum is computed using primitives to create a signed 128-bit
integer.
+ * Support is provided for at least 2<sup>63</sup> observations.
*
* <p>This class is designed to work with (though does not require)
* {@linkplain java.util.stream streams}.
diff --git
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/IntSumOfSquares.java
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/IntSumOfSquares.java
index fde3728..31dd481 100644
---
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/IntSumOfSquares.java
+++
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/IntSumOfSquares.java
@@ -30,12 +30,12 @@ import java.math.BigInteger;
* </ul>
*
* <p>The implementation uses an exact integer sum to compute the sum of
squared values.
- * It supports up to 2<sup>63</sup> values. The exact sum is
- * returned using {@link #getAsBigInteger()}. Methods that return {@code int}
or
+ * The exact sum is returned using {@link #getAsBigInteger()}. Methods that
return {@code int} or
* {@code long} primitives will raise an exception if the result overflows.
*
* <p>Note that the implementation does not use {@code BigInteger} arithmetic;
for
* performance the sum is computed using primitives to create an unsigned
128-bit integer.
+ * Support is provided for at least 2<sup>63</sup> observations.
*
* <p>This class is designed to work with (though does not require)
* {@linkplain java.util.stream streams}.
diff --git
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/IntVariance.java
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/IntVariance.java
index 05875f5..86a8358 100644
---
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/IntVariance.java
+++
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/IntVariance.java
@@ -41,8 +41,8 @@ import java.math.BigInteger;
*
* <p>\[ \frac {n \times \sum_{i=1}^n x_i^2 - (\sum_{i=1}^n x_i)^2}{n \times
(n - 1)} \]
*
- * <p>It supports up to 2<sup>63</sup> values as the count \( n \) is
maintained
- * as a {@code long}.
+ * <p>Supports up to 2<sup>63</sup> (exclusive) observations.
+ * This implementation does not check for overflow of the count.
*
* <p>This class is designed to work with (though does not require)
* {@linkplain java.util.stream streams}.
diff --git
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/Kurtosis.java
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/Kurtosis.java
index 6057a5a..d1156bb 100644
---
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/Kurtosis.java
+++
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/Kurtosis.java
@@ -68,6 +68,9 @@ package org.apache.commons.statistics.descriptive;
* {@link #of(double...) of} with the full array of values. The former approach
* should only be used when the full array of values is not available.
*
+ * <p>Supports up to 2<sup>63</sup> (exclusive) observations.
+ * This implementation does not check for overflow of the count.
+ *
* <p>This class is designed to work with (though does not require)
* {@linkplain java.util.stream streams}.
*
diff --git
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/LongMean.java
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/LongMean.java
index 37b2095..c1f9f3f 100644
---
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/LongMean.java
+++
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/LongMean.java
@@ -28,8 +28,9 @@ package org.apache.commons.statistics.descriptive;
* <li>The result is {@code NaN} if no values are added.
* </ul>
*
- * <p>This class uses an exact integer sum to compute the mean. It supports up
to 2<sup>63</sup>
- * values as the count \( n \) is maintained as a {@code long}.
+ * <p>This class uses an exact integer sum to compute the mean.
+ * Supports up to 2<sup>63</sup> (exclusive) observations.
+ * This implementation does not check for overflow of the count.
*
* <p>This class is designed to work with (though does not require)
* {@linkplain java.util.stream streams}.
diff --git
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/LongStandardDeviation.java
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/LongStandardDeviation.java
index 9231b1b..1b3fd4f 100644
---
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/LongStandardDeviation.java
+++
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/LongStandardDeviation.java
@@ -42,8 +42,8 @@ package org.apache.commons.statistics.descriptive;
*
* <p>\[ \frac {n \times \sum_{i=1}^n x_i^2 - (\sum_{i=1}^n x_i)^2}{n \times
(n - 1)} \]
*
- * <p>It supports up to 2<sup>63</sup> values as the count \( n \) is
maintained
- * as a {@code long}.
+ * <p>Supports up to 2<sup>63</sup> (exclusive) observations.
+ * This implementation does not check for overflow of the count.
*
* <p>This class is designed to work with (though does not require)
* {@linkplain java.util.stream streams}.
diff --git
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/LongSum.java
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/LongSum.java
index aacf80b..0c2779d 100644
---
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/LongSum.java
+++
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/LongSum.java
@@ -25,13 +25,13 @@ import java.math.BigInteger;
* <li>The result is zero if no values are added.
* </ul>
*
- * <p>This class uses an exact integer sum. It supports up to 2<sup>63</sup>
- * values as the count \( n \) is maintained as a {@code long}. The exact sum
is
+ * <p>This class uses an exact integer sum. The exact sum is
* returned using {@link #getAsBigInteger()}. Methods that return {@code int}
or
* {@code long} primitives will raise an exception if the result overflows.
*
* <p>Note that the implementation does not use {@code BigInteger} arithmetic;
for
* performance the sum is computed using primitives to create a signed 128-bit
integer.
+ * Support is provided for at least 2<sup>63</sup> observations.
*
* <p>This class is designed to work with (though does not require)
* {@linkplain java.util.stream streams}.
diff --git
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/LongSumOfSquares.java
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/LongSumOfSquares.java
index bc3f5f8..74ea71b 100644
---
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/LongSumOfSquares.java
+++
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/LongSumOfSquares.java
@@ -30,12 +30,12 @@ import java.math.BigInteger;
* </ul>
*
* <p>The implementation uses an exact integer sum to compute the sum of
squared values.
- * It supports up to 2<sup>63</sup> values. The exact sum is
- * returned using {@link #getAsBigInteger()}. Methods that return {@code int}
or
+ * The exact sum is returned using {@link #getAsBigInteger()}. Methods that
return {@code int} or
* {@code long} primitives will raise an exception if the result overflows.
*
* <p>Note that the implementation does not use {@code BigInteger} arithmetic;
for
* performance the sum is computed using primitives to create an unsigned
192-bit integer.
+ * Support is provided for at least 2<sup>63</sup> observations.
*
* <p>This class is designed to work with (though does not require)
* {@linkplain java.util.stream streams}.
diff --git
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/LongVariance.java
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/LongVariance.java
index a078da4..1ef7e18 100644
---
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/LongVariance.java
+++
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/LongVariance.java
@@ -41,8 +41,8 @@ import java.math.BigInteger;
*
* <p>\[ \frac {n \times \sum_{i=1}^n x_i^2 - (\sum_{i=1}^n x_i)^2}{n \times
(n - 1)} \]
*
- * <p>It supports up to 2<sup>63</sup> values as the count \( n \) is
maintained
- * as a {@code long}.
+ * <p>Supports up to 2<sup>63</sup> (exclusive) observations.
+ * This implementation does not check for overflow of the count.
*
* <p>This class is designed to work with (though does not require)
* {@linkplain java.util.stream streams}.
diff --git
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/Mean.java
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/Mean.java
index 1f0e1b6..147d631 100644
---
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/Mean.java
+++
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/Mean.java
@@ -44,6 +44,9 @@ package org.apache.commons.statistics.descriptive;
* the recursive updating algorithm mentioned above, and then correcting this
by adding the
* mean deviation of the data values from the one-pass mean (see Ling (1974)).
*
+ * <p>Supports up to 2<sup>63</sup> (exclusive) observations.
+ * This implementation does not check for overflow of the count.
+ *
* <p>This class is designed to work with (though does not require)
* {@linkplain java.util.stream streams}.
*
diff --git
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/Skewness.java
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/Skewness.java
index 383dfe4..4e40002 100644
---
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/Skewness.java
+++
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/Skewness.java
@@ -70,6 +70,9 @@ package org.apache.commons.statistics.descriptive;
* {@link #of(double...) of} with the full array of values. The former approach
* should only be used when the full array of values is not available.
*
+ * <p>Supports up to 2<sup>63</sup> (exclusive) observations.
+ * This implementation does not check for overflow of the count.
+ *
* <p>This class is designed to work with (though does not require)
* {@linkplain java.util.stream streams}.
*
diff --git
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/StandardDeviation.java
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/StandardDeviation.java
index d293bae..4629487 100644
---
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/StandardDeviation.java
+++
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/StandardDeviation.java
@@ -51,6 +51,9 @@ package org.apache.commons.statistics.descriptive;
* {@link #of(double...) of} with the full array of values. The former approach
* should only be used when the full array of values is not available.
*
+ * <p>Supports up to 2<sup>63</sup> (exclusive) observations.
+ * This implementation does not check for overflow of the count.
+ *
* <p>This class is designed to work with (though does not require)
* {@linkplain java.util.stream streams}.
*
diff --git
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/SumOfCubedDeviations.java
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/SumOfCubedDeviations.java
index fc1b69f..591030d 100644
---
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/SumOfCubedDeviations.java
+++
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/SumOfCubedDeviations.java
@@ -41,6 +41,9 @@ package org.apache.commons.statistics.descriptive;
* This updating formula is identical to that used in
* {@code org.apache.commons.math3.stat.descriptive.moment.ThirdMoment}.
*
+ * <p>Supports up to 2<sup>63</sup> (exclusive) observations.
+ * This implementation does not check for overflow of the count.
+ *
* <p><strong>Note that this implementation is not synchronized.</strong> If
* multiple threads access an instance of this class concurrently, and at least
* one of the threads invokes the {@link
java.util.function.DoubleConsumer#accept(double) accept} or
diff --git
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/SumOfFourthDeviations.java
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/SumOfFourthDeviations.java
index 23f118c..b634e90 100644
---
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/SumOfFourthDeviations.java
+++
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/SumOfFourthDeviations.java
@@ -45,6 +45,9 @@ package org.apache.commons.statistics.descriptive;
* {@code org.apache.commons.math3.stat.descriptive.moment.FourthMoment}. The
final term
* uses a rearrangement \( (1 - N + N^2) = (N+1)^2 - 3N \).
*
+ * <p>Supports up to 2<sup>63</sup> (exclusive) observations.
+ * This implementation does not check for overflow of the count.
+ *
* <p><strong>Note that this implementation is not synchronized.</strong> If
* multiple threads access an instance of this class concurrently, and at least
* one of the threads invokes the {@link
java.util.function.DoubleConsumer#accept(double) accept} or
diff --git
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/SumOfSquaredDeviations.java
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/SumOfSquaredDeviations.java
index d3dcc32..0047b90 100644
---
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/SumOfSquaredDeviations.java
+++
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/SumOfSquaredDeviations.java
@@ -30,6 +30,9 @@ package org.apache.commons.statistics.descriptive;
* <p>new value = old value + dev^2 * (n - 1) / n
* <p>returns the sum of squared deviations of all values seen so far.
*
+ * <p>Supports up to 2<sup>63</sup> (exclusive) observations.
+ * This implementation does not check for overflow of the count.
+ *
* <p><strong>Note that this implementation is not synchronized.</strong> If
* multiple threads access an instance of this class concurrently, and at least
* one of the threads invokes the {@link
java.util.function.DoubleConsumer#accept(double) accept} or
diff --git
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/Variance.java
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/Variance.java
index b875a55..75be1c9 100644
---
a/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/Variance.java
+++
b/commons-statistics-descriptive/src/main/java/org/apache/commons/statistics/descriptive/Variance.java
@@ -48,6 +48,9 @@ package org.apache.commons.statistics.descriptive;
* {@link #of(double...) of} with the full array of values. The former approach
* should only be used when the full array of values is not available.
*
+ * <p>Supports up to 2<sup>63</sup> (exclusive) observations.
+ * This implementation does not check for overflow of the count.
+ *
* <p>This class is designed to work with (though does not require)
* {@linkplain java.util.stream streams}.
*
