@Test
@Ignore
public void stressTestGamma() {

    double s = 0;
    int N = 10000000;
    long t0 = System.currentTimeMillis();
    for (int i = 0; i < N; ++i) {
        Gamma.gamma(1+i%10);
    }
    long t1 = System.currentTimeMillis();
    System.out.println("New gamma");
    System.out.println(t1 - t0);
    t0 = System.currentTimeMillis();
    for (int i = 0; i < N; ++i) {
        SpecialFunctions.gamma(1+i%10);
    }
    t1 = System.currentTimeMillis();
    System.out.println("Old gamma");
    System.out.println(t1 - t0);
}