bcds.tools.random
Class RndNormal

java.lang.Object
  bcds.tools.random.RndGenBase
      bcds.tools.random.RndNormal

All Implemented Interfaces:

RndGen

public class RndNormal
extends RndGenBase
implements RndGen

Generates random values following a normal or "Gaussian" distribution with given mean and standard deviation.

This code is an adaptation of several examples that can be found on the internet.

Author:

Juan Segovia S.

Constructor Summary

RndNormal(double mean, double sigma)
Creates a new instance with specific desired mean and standard deviation (sigma).

RndNormal(java.util.Random rnd, double mean, double sigma)
Creates a new instance with specific desired mean and standard deviation (sigma), with the randomness source set to rnd.

Method Summary

double

next() Returns a random value drawn from a Gaussian distribution.

Methods inherited from class bcds.tools.random.RndGenBase

getRandomGen, setRandomGen

Methods inherited from class java.lang.Object

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

Methods inherited from interface bcds.tools.random.RndGen

getRandomGen, setRandomGen

Constructor Detail

RndNormal

public RndNormal(double mean,
                 double sigma)

Creates a new instance with specific desired mean and standard deviation (sigma). The randomness source is the default.

RndNormal

public RndNormal(java.util.Random rnd,
                 double mean,
                 double sigma)

Creates a new instance with specific desired mean and standard deviation (sigma), with the randomness source set to rnd.

Method Detail

next

public double next()

Returns a random value drawn from a Gaussian distribution. Note that the returned value may be negative.

Specified by:

next in interface RndGen