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root/jsr166/jsr166/src/main/java/util/SplittableRandom.java

Comparing jsr166/src/main/java/util/SplittableRandom.java (file contents):
Revision 1.1 by dl, Wed Jul 10 15:40:19 2013 UTC vs.
Revision 1.3 by jsr166, Thu Jul 11 03:31:26 2013 UTC

#	Line 40 | Line 40 | import java.util.stream.DoubleStream;
40		* A generator of uniform pseudorandom values applicable for use in
41		* (among other contexts) isolated parallel computations that may
42		* generate subtasks. Class SplittableRandom supports methods for
43	<	* producing pseudorandom nunmbers of type {@code int}, {@code long},
43	>	* producing pseudorandom numbers of type {@code int}, {@code long},
44		* and {@code double} with similar usages as for class
45		* {@link java.util.Random} but differs in the following ways: <ul>
46		*
#	Line 74 | Line 74 | import java.util.stream.DoubleStream;
74		* </ul>
75		*
76		* @author  Guy Steele
77	+	* @author  Doug Lea
78		* @since   1.8
79		*/
80		public class SplittableRandom {
#	Line 112 | Line 113 | public class SplittableRandom {
113		* The value of gamma differs for each instance across a series of
114		* splits, and is generated using a slightly stripped-down variant
115		* of the same algorithm, but operating across calls to split(),
116	<	* not calls to nextLong(): Each instance carries the state of
116	>	* not calls to nextSeed(): Each instance carries the state of
117		* this generator as nextSplit, and uses mix64(nextSplit) as its
118		* own gamma value. Computations of gammas themselves use a fixed
119		* constant as the second argument to the addGammaModGeorge
#	Line 752 | Line 753 | public class SplittableRandom {
753
754		/**
755		* Returns a stream with the given {@code streamSize} number of
756	<	* pseudorandom {@code double} values.
756	>	* pseudorandom {@code double} values, each between {@code 0.0}
757	>	* (inclusive) and {@code 1.0} (exclusive).
758		*
759		* @param streamSize the number of values to generate
760		* @return a stream of {@code double} values
#	Line 770 | Line 772 | public class SplittableRandom {
772
773		/**
774		* Returns an effectively unlimited stream of pseudorandom {@code
775	<	* double} values.
775	>	* double} values, each between {@code 0.0} (inclusive) and {@code
776	>	* 1.0} (exclusive).
777		*
778		* @implNote This method is implemented to be equivalent to {@code
779		* doubles(Long.MAX_VALUE)}.

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