trueLog2 = StrictMath.nextUp(trueLog2);
    }
    return trueLog2;
  }

  @GwtIncompatible // DoubleMath.isMathematicalInteger
  public void testIsMathematicalIntegerIntegral() {
    for (double d : INTEGRAL_DOUBLE_CANDIDATES) {
      assertTrue(DoubleMath.isMathematicalInteger(d));
    }
  }

  @GwtIncompatible // DoubleMath.isMathematicalInteger