/** * Generate a random value from this distribution. * * @param rng random number generator * @return random value from this distribution */ public double generate(MersenneTwisterFast rng) { try { return gammaDist.inverseCumulativeProbability(rng.nextDouble()); } catch (MathException e) { System.out.println(e.getMessage()); e.printStackTrace(); System.exit(-1); } return -1d; }