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java.lang.Objectsim.util.distribution.AbstractDistribution
sim.util.distribution.AbstractDiscreteDistribution
sim.util.distribution.Zeta
public class Zeta
Zeta distribution.
Valid parameter ranges: ro > 0 and pk >= 0.
Instance methods operate on a user supplied uniform random number generator; they are unsynchronized.
Implementation:
J. Dagpunar (1988): Principles of Random Variate Generation, Clarendon Press, Oxford.
Field Summary | |
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protected double |
c
|
protected double |
d
|
protected double |
maxlongint
|
protected double |
pk
|
protected double |
pk_prev
|
protected double |
ro
|
protected double |
ro_prev
|
Fields inherited from class sim.util.distribution.AbstractDistribution |
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randomGenerator |
Constructor Summary | |
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Zeta(double ro,
double pk,
MersenneTwisterFast randomGenerator)
Constructs a Zeta distribution. |
Method Summary | |
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protected long |
generateZeta(double ro,
double pk,
MersenneTwisterFast randomGenerator)
Returns a zeta distributed random number. |
int |
nextInt()
Returns a random number from the distribution. |
void |
setState(double ro,
double pk)
Sets the parameters. |
java.lang.String |
toString()
Returns a String representation of the receiver. |
Methods inherited from class sim.util.distribution.AbstractDiscreteDistribution |
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nextDouble |
Methods inherited from class sim.util.distribution.AbstractDistribution |
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apply, apply, getRandomGenerator, setRandomGenerator |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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protected double ro
protected double pk
protected double c
protected double d
protected double ro_prev
protected double pk_prev
protected double maxlongint
Constructor Detail |
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public Zeta(double ro, double pk, MersenneTwisterFast randomGenerator)
Method Detail |
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protected long generateZeta(double ro, double pk, MersenneTwisterFast randomGenerator)
public int nextInt()
nextInt
in class AbstractDiscreteDistribution
public void setState(double ro, double pk)
public java.lang.String toString()
toString
in class java.lang.Object
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