}
  }

  @GwtIncompatible // DoubleMath.mean
  @SuppressWarnings("deprecation") // test of deprecated method
  public void testMean_doubleVarargs() {
    assertThat(DoubleMath.mean(1.1, -2.2, 4.4, -8.8)).isWithin(1.0e-10).of(-1.375);
    assertThat(DoubleMath.mean(1.1)).isWithin(1.0e-10).of(1.1);