@Test
@Ignore
public void testRandoms() {

    double s = 0;
    int N = 10000000;
    long t0 = System.currentTimeMillis();
    Chi2 chi2 = new Chi2(20);
    MersenneTwister rng = MersenneTwister.fromSystemNanoTime();
    for (int i = 0; i < N; ++i) {
        s += chi2.random(rng);
    }
    long t1 = System.currentTimeMillis();
    System.out.println("New");
    System.out.println(t1 - t0);
    System.out.println(s / N);
}