| 375 |
|
* may, and typically does, vary across program invocations. |
| 376 |
|
*/ |
| 377 |
|
public SplittableRandom() { // emulate defaultGen.split() |
| 378 |
< |
long s = defaultGen.getAndAdd(2 * GOLDEN_GAMMA); |
| 378 |
> |
long s = defaultGen.getAndAdd(GOLDEN_GAMMA << 1); |
| 379 |
|
this.seed = mix64(s); |
| 380 |
|
this.gamma = mixGamma(s + GOLDEN_GAMMA); |
| 381 |
|
} |
| 531 |
|
} |
| 532 |
|
|
| 533 |
|
/** |
| 534 |
– |
* Generates a pseudorandom number with the indicated number of |
| 535 |
– |
* bits. Unlike in superclass {@link Random}, this method is never |
| 536 |
– |
* internally called or used by any other publicly accessible |
| 537 |
– |
* method. |
| 538 |
– |
* |
| 539 |
– |
* @param bits random bits |
| 540 |
– |
* @return the next pseudorandom value from this random number |
| 541 |
– |
* generator's sequence |
| 542 |
– |
*/ |
| 543 |
– |
protected int next(int bits) { |
| 544 |
– |
return (int)(nextLong() >>> (64 - bits)); |
| 545 |
– |
} |
| 546 |
– |
|
| 547 |
– |
/** |
| 534 |
|
* Returns a pseudorandom {@code double} value between the specified |
| 535 |
|
* origin (inclusive) and bound (exclusive). |
| 536 |
|
* |
