plham.util

Class JSONRandom

plham.util.RandomHelper

plham.util.JSONRandom

public class JSONRandom
extends RandomHelper

JSONRandom extends RandomHelper to provide integrated usability with JSON.

Field Summary

Fields inherited from class plham.util.RandomHelper

g, random

Constructor Summary

Constructors

Constructor and Description
JSONRandom(Random random)

Method Summary

Modifier and Type	Method and Description
Double	nextRandom(JSON.Value json) Return a random number from a probability distribution specified in the JSON.Value.

Methods inherited from class plham.util.RandomHelper

main, nextBoolean, nextBoolean, nextDouble, nextDouble, nextExponential, nextFloat, nextFloat, nextGaussian, nextInt, nextLong, nextNormal, nextUniform

Constructor Detail

JSONRandom

public JSONRandom(Random random)

Method Detail

nextRandom

public Double nextRandom(JSON.Value json)

Return a random number from a probability distribution specified in the JSON.Value. If it is a constant, return the value. If it is a list (pair), return a uniform random number between them. If it is a dict (of one key), return a random number sampled from a distribution given by the key name: "const": [value] ... constant, the value. "uniform": [min, max] ... uniform between min and max. "normal": [mu, sigma] ... normal of mean mu and variance sigma^2. "expon": [lambda] ... exponential of expected lambda.