package ch.qos.logback.classic.testUtil;
   
   import java.util.Random;
   
   public class Gaussian {
   
       Random random;
   
       double mean;
      double variance;
  
      public Gaussian(double mean, double variance) {
          this.random = new Random();
          this.mean = mean;
          this.variance = variance;
      }
  
      public Gaussian(long seed, double mean, double variance) {
          this.random = new Random(seed);
          this.mean = mean;
          this.variance = variance;
      }
  
      public double getGaussian() {
          return mean + random.nextGaussian() * variance;
      }
  
  }