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root/jsr166/jsr166/src/test/loops/LoopHelpers.java

Comparing jsr166/src/test/loops/LoopHelpers.java (file contents):
Revision 1.11 by jsr166, Tue Mar 15 19:47:05 2011 UTC vs.
Revision 1.14 by jsr166, Thu Jan 15 18:34:19 2015 UTC

#	Line 3 | Line 3
3		* Expert Group and released to the public domain, as explained at
4		* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6	–	/**
7	–	* Misc utilities in JSR166 performance tests
8	–	*/
6
7		import java.util.concurrent.*;
8		import java.util.concurrent.atomic.*;
9
10	+	/**
11	+	* Misc utilities in JSR166 performance tests
12	+	*/
13		class LoopHelpers {
14
15		static final SimpleRandom staticRNG = new SimpleRandom();
#	Line 63 | Line 63 | class LoopHelpers {
63		return x * 134775813 + 1;
64		}
65
66	–
66		/**
67		* Yet another random number generator
68		*/
#	Line 106 | Line 105 | class LoopHelpers {
105		public static final class XorShift32Random {
106		static final AtomicInteger seq = new AtomicInteger(8862213);
107		int x = -1831433054;
108	<	public XorShift32Random(int seed) { x = seed;  }
108	>	public XorShift32Random(int seed) { x = seed; }
109		public XorShift32Random() {
110		this((int) System.nanoTime() + seq.getAndAdd(129));
111		}
#	Line 118 | Line 117 | class LoopHelpers {
117		}
118		}
119
121	–
120		/** Multiplication-free RNG from Marsaglia "Xorshift RNGs" paper */
121		public static final class MarsagliaRandom {
122		static final AtomicInteger seq = new AtomicInteger(3122688);

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