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java.lang.Object | +--eduni.distributions.Generator | +--eduni.distributions.Normal
A random number generator based on the normal distribution.
Field Summary | |
protected double |
mean
|
protected double |
std_dev
|
Fields inherited from class eduni.distributions.Generator |
distrib |
Constructor Summary | |
Normal(double mean,
double variance)
the seed is automatically provided by the SeedGenerator |
|
Normal(double mean,
double variance,
long seed)
The constructor with which a specific seed is set for the random number generator |
Method Summary | |
double |
sample()
Generate a new random number. |
Methods inherited from class eduni.distributions.Generator |
getSeed, reseed, setSeed |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface eduni.distributions.Seedable |
getSeed, reseed, setSeed |
Field Detail |
protected double mean
protected double std_dev
Constructor Detail |
public Normal(double mean, double variance)
SeedGenerator
mean
- The mean of the distributionvariance
- The variance of the distribution : variance > 0public Normal(double mean, double variance, long seed)
mean
- The mean of the distributionvariance
- The variance of the distribution : variance > 0seed
- The initial seed for the generator, two instances with
the same seed will generate the same sequence of numbersMethod Detail |
public double sample()
sample
in interface ContinuousGenerator
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