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JavaDoc added

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This commit is contained in:
Giacomo Bertolazzi
2025-01-17 12:40:18 +01:00
parent 0d541f7737
commit ccde6a9668
4 changed files with 158 additions and 0 deletions
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26
src/main/java/net/berack/upo/valpre/rand/Distribution.java
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@@ -1,11 +1,21 @@
package net.berack.upo.valpre.rand;
/**
* Represents a probability distribution.
*/
public interface Distribution {
public double sample(Rng rng);
/**
* Represents an exponential distribution.
*/
public static class Exponential implements Distribution {
private final double lambda;
/**
* Creates a new exponential distribution with the given rate.
* @param lambda The rate of the distribution.
*/
public Exponential(double lambda) {
this.lambda = lambda;
}
@@ -16,10 +26,18 @@ public interface Distribution {
}
}
/**
* Represents a normal distribution.
*/
public static class Normal implements Distribution {
private final double mean;
private final double sigma;
/**
* Creates a new normal distribution with the given mean and standard deviation.
* @param mean The mean of the distribution.
* @param sigma The standard deviation of the distribution.
*/
public Normal(double mean, double sigma) {
this.mean = mean;
this.sigma = sigma;
@@ -32,11 +50,19 @@ public interface Distribution {
}
}
/**
* Represents a normal distribution using the Box-Muller transform.
*/
public static class NormalBoxMuller implements Distribution {
private final double mean;
private final double sigma;
private double next = Double.NaN;
/**
* Creates a new normal distribution with the given mean and standard deviation.
* @param mean The mean of the distribution.
* @param sigma The standard deviation of the distribution.
*/
public NormalBoxMuller(double mean, double sigma) {
this.mean = mean;
this.sigma = sigma;