hg: jdk8/tl/jdk: 8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)

[chris.hegarty at oracle.com]

Changeset: e83cdd58f1cf
Author:    chegar
Date:      2013-06-26 15:30 +0100
URL:       http://hg.openjdk.java.net/jdk8/tl/jdk/rev/e83cdd58f1cf

8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
Reviewed-by: chegar, alanb, psandoz
Contributed-by: Doug Lea <dl at cs.oswego.edu>, Tristan Yan <tristan.yan at oracle.com>, Chris Hegarty <chris.hegarty at oracle.com>

+ src/share/classes/java/util/ArrayPrefixHelpers.java
! src/share/classes/java/util/Arrays.java
+ test/java/util/Arrays/ParallelPrefix.java