org.edisonwj.draw3d

Class Rand

java.lang.Object

org.edisonwj.draw3d.Rand

public class Rand
extends java.lang.Object

Rand provides a variety of random number generators.

Author:

Rahul Simha

Field Summary

Fields

Modifier and Type	Field and Description
static double	BOUNDED_EXP_PARAM
static int	DEBUG
static double	DEFAULTEPSILON
static long	DEFAULTSEED

Constructor Summary

Constructors

Constructor and Description
Rand()
Rand(long s)

Method Summary

Modifier and Type	Method and Description
int	binomial(int n, double p)
double	bounded_exponential(double rate)
double	exponential(double mu)
double	exponential(double a, double b)
long	getSeed()
double[]	mmpp(int num_items, int ndiv, double alpha_A, double alpha_B, double lambda_A, double lambda_B, double upper_bound)
double	Normal(double m, double s)
int[]	poisson(int n, double m)
int[]	poisson2(int n, double m)
double	uniform()
double	uniform(double a, double b)
int	uniform(int a, int b)
long	uniform(long a, long b)

Methods inherited from class java.lang.Object

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

Field Detail

DEBUG

public static final int DEBUG

See Also:

Constant Field Values

DEFAULTEPSILON

public static final double DEFAULTEPSILON

See Also:

Constant Field Values

DEFAULTSEED

public static final long DEFAULTSEED

BOUNDED_EXP_PARAM

public static final double BOUNDED_EXP_PARAM

See Also:

Constant Field Values

Constructor Detail

Rand

public Rand(long s)

Rand

public Rand()

Method Detail

getSeed

public long getSeed()

uniform

public double uniform()

uniform

public double uniform(double a,
                      double b)

uniform

public int uniform(int a,
                   int b)

uniform

public long uniform(long a,
                    long b)

exponential

public double exponential(double mu)

exponential

public double exponential(double a,
                          double b)

bounded_exponential

public double bounded_exponential(double rate)

binomial

public int binomial(int n,
                    double p)

Normal

public double Normal(double m,
                     double s)

poisson

public int[] poisson(int n,
                     double m)

poisson2

public int[] poisson2(int n,
                      double m)

mmpp

public double[] mmpp(int num_items,
                     int ndiv,
                     double alpha_A,
                     double alpha_B,
                     double lambda_A,
                     double lambda_B,
                     double upper_bound)