--- jsr166/src/main/java/util/SplittableRandom.java	2016/11/12 00:12:05	1.33
+++ jsr166/src/main/java/util/SplittableRandom.java	2017/02/20 22:07:50	1.39
@@ -375,7 +375,7 @@ public final class SplittableRandom {
      * may, and typically does, vary across program invocations.
      */
     public SplittableRandom() { // emulate defaultGen.split()
-        long s = defaultGen.getAndAdd(2 * GOLDEN_GAMMA);
+        long s = defaultGen.getAndAdd(GOLDEN_GAMMA << 1);
         this.seed = mix64(s);
         this.gamma = mixGamma(s + GOLDEN_GAMMA);
     }
@@ -530,20 +530,6 @@ public final class SplittableRandom {
             Double.longBitsToDouble(Double.doubleToLongBits(bound) - 1);
     }
 
-        /**
-     * Generates a pseudorandom number with the indicated number of
-     * bits. Unlike in superclass @{link Random}, this method is never
-     * internally called or used by any other publicly accessible
-     * method.
-     *
-     * @param  bits random bits
-     * @return the next pseudorandom value from this random number
-     *         generator's sequence
-     */
-    protected int next(int bits) {
-        return (int)(nextLong() >>> (64 - bits));
-    }
-
     /**
      * Returns a pseudorandom {@code double} value between the specified
      * origin (inclusive) and bound (exclusive).
@@ -793,8 +779,7 @@ public final class SplittableRandom {
      * @return a stream of pseudorandom {@code double} values,
      *         each with the given origin (inclusive) and bound (exclusive)
      * @throws IllegalArgumentException if {@code streamSize} is
-     *         less than zero
-     * @throws IllegalArgumentException if {@code randomNumberOrigin}
+     *         less than zero, or {@code randomNumberOrigin}
      *         is greater than or equal to {@code randomNumberBound}
      */
     public DoubleStream doubles(long streamSize, double randomNumberOrigin,