Android Open Source - dice-probabilities Dogslicer Distribution

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License

The source code is released under:

MIT License

Java Source Code

package org.kleemann.diceprobabilities.distribution;
/* www  . jav a2s .  c  o m*/
import org.apache.commons.math3.fraction.BigFraction;

/**
 * <p>
 * The Dogslicer is a peculiar distribution named after the pathfinder weapon
 * type. It's a d6 where a one becomes 3. Note: this makes DogslicerDistribution
 * not a DieDistribution since DieDistributions are equal probabilities between
 * 1 and n.
 */
public class DogslicerDistribution extends AbstractDistribution {

  // the total number of sides of the die
  public final static int SIDES = 6;;

  // the equal probability of getting any side of the die
  // cache this for efficiency
  private BigFraction probability;

  public DogslicerDistribution() {
    this.probability = new BigFraction(1, SIDES);
  }

  @Override
  public int lowerBound() {
    return 2;
  }

  @Override
  public int upperBound() {
    return SIDES + 1;
  }

  @Override
  public BigFraction getProbabilityBounded(int x) {
    if (x == 3) {
      return probability.multiply(2);
    } else {
      return probability;
    }
  }
}

Java Source Code List

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