Package org.cloudbus.cloudsim.distributions

Class ZipfDistr

java.lang.Object

org.cloudbus.cloudsim.distributions.ContinuousDistributionAbstract

org.cloudbus.cloudsim.distributions.ZipfDistr

All Implemented Interfaces:

ContinuousDistribution

public class ZipfDistr
extends ContinuousDistributionAbstract

A pseudo random number generator following the Zipf distribution.

Since:

CloudSim Toolkit 1.0

Author:

Marcos Dias de Assuncao

Field Summary

Fields inherited from interface org.cloudbus.cloudsim.distributions.ContinuousDistribution

NULL

Constructor Summary

Constructors

Constructor	Description
ZipfDistr(double shape, int population)	Instantiates a new Zipf pseudo random number generator.
ZipfDistr(long seed, double shape, int population)	Instantiates a new Zipf pseudo random number generator.

Method Summary

Modifier and Type	Method	Description
double	sample()	Generate a new pseudo random number.

Methods inherited from class org.cloudbus.cloudsim.distributions.ContinuousDistributionAbstract

getSeed, setSeed

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ZipfDistr

public ZipfDistr(long seed,
                 double shape,
                 int population)

Instantiates a new Zipf pseudo random number generator.

Parameters:

seed - the seed

shape - the shape

population - the population

ZipfDistr

public ZipfDistr(double shape,
                 int population)

Instantiates a new Zipf pseudo random number generator.

Parameters:

shape - the shape

population - the population

Method Detail

sample

public double sample()

Description copied from interface: ContinuousDistribution

Generate a new pseudo random number.

Specified by:

sample in interface ContinuousDistribution

Overrides:

sample in class ContinuousDistributionAbstract

Returns:

the next pseudo random number in the sequence, following the implemented distribution.