src/share/classes/java/lang/Double.java

rev 6190 : [mq]: reducers

*** 1019,1026 ****
--- 1019,1068 ----
          return (thisBits == anotherBits ?  0 : // Values are equal
                  (thisBits < anotherBits ? -1 : // (-0.0, 0.0) or (!NaN, NaN)
                   1));                          // (0.0, -0.0) or (NaN, !NaN)
      }
  
+     /**
+      * Adds two {@code double} values together as per the + operator.
+      * Suitable for conversion as a method reference to functional interfaces such
+      * as {@code BinaryOperator&lt;Double&gt;} or {@code DoubleBinaryOperator}.
+      *
+      * @param   a   an argument.
+      * @param   b   another argument.
+      * @return  the sum of {@code a} and {@code b}.
+      * @since 1.8
+      */
+     public static double sum(double a, double b) {
+         return a + b;
+     }
+ 
+     /**
+      * Returns the greater of two {@code double} values.
+      * Suitable for conversion as a method reference to functional interfaces such
+      * as {@code BinaryOperator&lt;Double&gt;} or {@code DoubleBinaryOperator}.
+      *
+      * @param   a   an argument.
+      * @param   b   another argument.
+      * @return  the larger of {@code a} and {@code b}.
+      * @since 1.8
+      */
+     public static double max(double a, double b) {
+         return Math.max(a, b);
+     }
+ 
+     /**
+      * Returns the lesser of two {@code double} values.
+      * Suitable for conversion as a method reference to functional interfaces such
+      * as {@code BinaryOperator&lt;Double&gt;} or {@code DoubleBinaryOperator}.
+      *
+      * @param   a   an argument.
+      * @param   b   another argument.
+      * @return  the lesser of {@code a} and {@code b}.
+      * @since 1.8
+      */
+     public static double min(double a, double b) {
+         return Math.min(a, b);
+     }
+ 
      /** use serialVersionUID from JDK 1.0.2 for interoperability */
      private static final long serialVersionUID = -9172774392245257468L;
  }