Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.wormsim.tracking; import org.apache.commons.math3.random.RandomGenerator; public class ConstantDouble extends TrackedDouble<ConstantDoubleInstance> { public ConstantDouble(String p_name, double value) { super(p_name); this.value = value; this.inst = new ConstantDoubleInstance(this); } final ConstantDoubleInstance inst; final double value; @Override public void checkpoint() { } @Override public void discard() { } @Override public ConstantDoubleInstance generate(RandomGenerator p_rng) { return inst; } @Override public double getBetweenVariance() { return 0.0; } @Override public double getDataCount() { return Double.POSITIVE_INFINITY; } @Override public double getEffectiveDataCount() { return Double.POSITIVE_INFINITY; } @Override public double getMean() { return value; } @Override public double getPotentialScaleReduction() { return 0.0; } @Override public double getVariance() { return 0.0; } @Override public double getWithinVariance() { return 0.0; } /** * Returns true if this is to be tracked visibly, false otherwise. * * @return */ @Override public boolean isVisiblyTracked() { return false; } @Override protected double evolve(double p_val, RandomGenerator p_rng) { return value; } @Override protected double initialise(RandomGenerator p_rng) { return value; } }