}

  public void testCheckNonNegative_positiveDouble() {
    MathPreconditions.checkNonNegative("double", 1d);
  }

  public void testCheckNonNegative_negativeDouble() {
    assertThrows(
        IllegalArgumentException.class, () -> MathPreconditions.checkNonNegative("double", -1d));
  }

  public void testCheckNonNegative_nanDouble() {
    assertThrows(