| 19 |
|
* this class does extend {@code Number} to allow uniform access by |
| 20 |
|
* tools and utilities that deal with numerically-based classes. |
| 21 |
|
* |
| 22 |
< |
* <p><a name="bitEquals">This class compares primitive {@code double} |
| 22 |
> |
* <p id="bitEquals">This class compares primitive {@code double} |
| 23 |
|
* values in methods such as {@link #compareAndSet} by comparing their |
| 24 |
|
* bitwise representation using {@link Double#doubleToRawLongBits}, |
| 25 |
|
* which differs from both the primitive double {@code ==} operator |
| 123 |
|
* if the current value is <a href="#bitEquals">bitwise equal</a> |
| 124 |
|
* to the expected value. |
| 125 |
|
* |
| 126 |
< |
* <p>May <a |
| 126 |
> |
* <p><a |
| 127 |
|
* href="http://download.oracle.com/javase/7/docs/api/java/util/concurrent/atomic/package-summary.html#Spurious"> |
| 128 |
< |
* fail spuriously</a> |
| 129 |
< |
* and does not provide ordering guarantees, so is only rarely an |
| 130 |
< |
* appropriate alternative to {@code compareAndSet}. |
| 128 |
> |
* May fail spuriously and does not provide ordering guarantees</a>, |
| 129 |
> |
* so is only rarely an appropriate alternative to {@code compareAndSet}. |
| 130 |
|
* |
| 131 |
|
* @param expect the expected value |
| 132 |
|
* @param update the new value |
