src/share/classes/java/util/DoubleSummaryStatistics.java

*** 109,124 ****
          return count;
      }
  
      /**
       * Returns the sum of values recorded, or zero if no values have been
!      * recorded. The sum returned can vary depending upon the order in which
!      * values are recorded. This is due to accumulated rounding error in
!      * addition of values of differing magnitudes. Values sorted by increasing
!      * absolute magnitude tend to yield more accurate results.  If any recorded
!      * value is a {@code NaN} or the sum is at any point a {@code NaN} then the
!      * sum will be {@code NaN}.
       *
       * @return the sum of values, or zero if none
       */
      public final double getSum() {
          return sum;
--- 109,136 ----
          return count;
      }
  
      /**
       * Returns the sum of values recorded, or zero if no values have been
!      * recorded.
!      *
!      * If any recorded value is a NaN or the sum is at any point a NaN
!      * then the sum will be NaN.
!      *
!      * <p> The value of a floating-point sum is a function both of the
!      * input values as well as the order of addition operations. The
!      * order of addition operations of this method is intentionally
!      * not defined to allow for implementation flexibility to improve
!      * the speed and accuracy of the computed result.
!      * 
!      * In particular, this method may be implemented using compensated
!      * summation or other technique to reduce the error bound in the
!      * numerical sum compared to a simple summation of {@code double}
!      * values.
!      *
!      * @apiNote Sorting values by increasing absolute magnitude tends to yield
!      * more accurate results.
       *
       * @return the sum of values, or zero if none
       */
      public final double getSum() {
          return sum;
*** 151,167 ****
      public final double getMax() {
          return max;
      }
  
      /**
!      * Returns the arithmetic mean of values recorded, or zero if no values have been
!      * recorded. The average returned can vary depending upon the order in
!      * which values are recorded. This is due to accumulated rounding error in
!      * addition of values of differing magnitudes. Values sorted by increasing
!      * absolute magnitude tend to yield more accurate results. If any recorded
!      * value is a {@code NaN} or the sum is at any point a {@code NaN} then the
!      * average will be {@code NaN}.
       *
       * @return the arithmetic mean of values, or zero if none
       */
      public final double getAverage() {
          return getCount() > 0 ? getSum() / getCount() : 0.0d;
--- 163,187 ----
      public final double getMax() {
          return max;
      }
  
      /**
!      * Returns the arithmetic mean of values recorded, or zero if no
!      * values have been recorded.
!      *
!      * If any recorded value is a NaN or the sum is at any point a NaN
!      * then the average will be code NaN.
!      * 
!      * <p>The average returned can vary depending upon the order in
!      * which values are recorded.
!      *
!      * This method may be implemented using compensated summation or
!      * other technique to reduce the error bound in the {@link #getSum
!      * numerical sum} used to compute the average.
!      *
!      * @apiNote Values sorted by increasing absolute magnitude tend to yield
!      * more accurate results.
       *
       * @return the arithmetic mean of values, or zero if none
       */
      public final double getAverage() {
          return getCount() > 0 ? getSum() / getCount() : 0.0d;