BigInteger absX = x.abs();
    int exponent = absX.bitLength() - 1;
    // exponent == floor(log2(abs(x)))
    if (exponent < Long.SIZE - 1) {
      return x.longValue();
    } else if (exponent > MAX_EXPONENT) {
      return x.signum() * POSITIVE_INFINITY;
    }

    /*
     * We need the top SIGNIFICAND_BITS + 1 bits, including the "implicit" one bit. To make rounding

      at.set(x);
      assertEquals((int) x, at.intValue());
    }
  }

  /** longValue returns current value. */
  public void testLongValue() {
    AtomicDouble at = new AtomicDouble();
    assertEquals(0L, at.longValue());
    for (double x : VALUES) {
      at.set(x);
      assertEquals((long) x, at.longValue());
    }
  }

  /** floatValue returns current value. */
  public void testFloatValue() {

  @Override
  public long longValue() {
    return toLong(value);
  }

  /**
   * Returns the value of this {@code UnsignedInteger} as a {@code float}, analogous to a widening
   * primitive conversion from {@code int} to {@code float}, and correctly rounded.
   */
  @Override
  public float floatValue() {
    return longValue();
  }

  /**

  @Override
  public long longValue() {
    return toLong(value);
  }

  /**
   * Returns the value of this {@code UnsignedInteger} as a {@code float}, analogous to a widening
   * primitive conversion from {@code int} to {@code float}, and correctly rounded.
   */
  @Override
  public float floatValue() {
    return longValue();
  }

  /**

        if (maxContentLength != null && responseData.getContentLength() > maxContentLength.longValue()) {
            throw new MaxLengthExceededException("The content length (" + responseData.getContentLength() + " byte) is over "
                    + maxContentLength.longValue() + " byte. The url is " + responseData.getUrl());
        }
    }

    protected ResponseData doGet(final String url) {

        if (!isDigits(s)) {
            return null;
        }

        try {
            long longValue = Long.parseLong(s);
            if (longValue > Integer.MAX_VALUE) {
                return null;
            }
            return (int) longValue;
        } catch (NumberFormatException e) {
            // should never happen since checked isDigits(s) before
            return null;

            }).collect(Collectors.joining(","));
            buf.append(json);
            buf.append('}');
        } else if (value instanceof Long || value instanceof Integer) {
            buf.append(((Number) value).longValue());
        } else if (value instanceof Number) {
            buf.append(((Number) value).doubleValue());
        } else {
            buf.append('"').append(StringEscapeUtils.escapeJson(value.toString())).append('"');

    assertEquals(0, Defaults.defaultValue(short.class).shortValue());
    assertEquals(0, Defaults.defaultValue(int.class).intValue());
    assertEquals(0, Defaults.defaultValue(long.class).longValue());
    assertEquals(0.0f, Defaults.defaultValue(float.class).floatValue());
    assertThat(Defaults.defaultValue(double.class).doubleValue()).isEqualTo(0.0d);
    assertNull(Defaults.defaultValue(void.class));

 * (method {@link #add}) are contended across threads, the set of variables may grow dynamically to
 * reduce contention. Method {@link #sum} (or, equivalently, {@link #longValue}) returns the current
 * total combined across the variables maintaining the sum.
 *
 * <p>This class is usually preferable to {@link AtomicLong} when multiple threads update a common

  @BeforeExperiment
  void setUp() {
    for (int i = 0; i < ARRAY_SIZE; i++) {
      positive[i] = randomPositiveBigInteger(Long.SIZE - 2).longValue();
      nonzero[i] = randomNonZeroBigInteger(Long.SIZE - 2).longValue();
      longs[i] = RANDOM_SOURCE.nextLong();
    }
  }

  @Benchmark
  int log2(int reps) {
    int tmp = 0;
    for (int i = 0; i < reps; i++) {