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java.lang.Objectcern.colt.PersistentObject
cern.jet.random.engine.RandomEngine
cern.jet.random.engine.MersenneTwister
cern.jet.random.engine.MersenneTwister64
public class MersenneTwister64
Same as MersenneTwister except that method raw() returns 64 bit random numbers instead of 32 bit random numbers.
MersenneTwister
,
Serialized FormField Summary |
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Fields inherited from class cern.jet.random.engine.MersenneTwister |
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DEFAULT_SEED |
Fields inherited from class cern.colt.PersistentObject |
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serialVersionUID |
Constructor Summary | |
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MersenneTwister64()
Constructs and returns a random number generator with a default seed, which is a constant. |
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MersenneTwister64(java.util.Date d)
Constructs and returns a random number generator seeded with the given date. |
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MersenneTwister64(int seed)
Constructs and returns a random number generator with the given seed. |
Method Summary | |
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double |
raw()
Returns a 64 bit uniformly distributed random number in the open unit interval (0.0,1.0) (excluding 0.0 and 1.0). |
Methods inherited from class cern.jet.random.engine.MersenneTwister |
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clone, nextInt |
Methods inherited from class cern.jet.random.engine.RandomEngine |
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apply, apply, makeDefault, nextDouble, nextFloat, nextLong |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public MersenneTwister64()
public MersenneTwister64(int seed)
seed
- should not be 0, in such a case MersenneTwister64.DEFAULT_SEED is silently substituted.public MersenneTwister64(java.util.Date d)
d
- typically new java.util.Date()Method Detail |
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public double raw()
(0.0,1.0)
(excluding 0.0 and 1.0).
raw
in class RandomEngine
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