r892:a22b3f1bf83e
Fri, 25 Jun 2010 06:00:56
[Not Reviewed]
0 comments (0 inline)
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20
| ... | ... |
@@ -576,12 +576,18 @@ |
| 576 | 576 |
void startFirstPhase() {
|
| 577 | 577 |
_phase = true; |
| 578 | 578 |
|
| 579 |
Node n = _level->highestActive(); |
|
| 580 |
int level = _level->highestActiveLevel(); |
|
| 581 |
while ( |
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| 579 |
while (true) {
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|
| 582 | 580 |
int num = _node_num; |
| 583 | 581 |
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| 584 |
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Node n = INVALID; |
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| 583 |
int level = -1; |
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| 584 |
|
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while (num > 0) {
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|
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n = _level->highestActive(); |
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if (n == INVALID) goto first_phase_done; |
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level = _level->highestActiveLevel(); |
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| 589 |
--num; |
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| 590 |
|
|
| 585 | 591 |
Value excess = (*_excess)[n]; |
| 586 | 592 |
int new_level = _level->maxLevel(); |
| 587 | 593 |
|
| ... | ... |
@@ -647,14 +653,22 @@ |
| 647 | 653 |
} else {
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| 648 | 654 |
_level->deactivate(n); |
| 649 | 655 |
} |
| 650 |
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|
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n = _level->highestActive(); |
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level = _level->highestActiveLevel(); |
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--num; |
|
| 654 | 656 |
} |
| 655 | 657 |
|
| 656 | 658 |
num = _node_num * 20; |
| 657 |
while (num > 0 |
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while (num > 0) {
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|
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while (level >= 0 && _level->activeFree(level)) {
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--level; |
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} |
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if (level == -1) {
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n = _level->highestActive(); |
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level = _level->highestActiveLevel(); |
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if (n == INVALID) goto first_phase_done; |
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} else {
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n = _level->activeOn(level); |
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} |
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--num; |
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|
| 658 | 672 |
Value excess = (*_excess)[n]; |
| 659 | 673 |
int new_level = _level->maxLevel(); |
| 660 | 674 |
|
| ... | ... |
@@ -720,19 +734,9 @@ |
| 720 | 734 |
} else {
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| 721 | 735 |
_level->deactivate(n); |
| 722 | 736 |
} |
| 723 |
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while (level >= 0 && _level->activeFree(level)) {
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--level; |
|
| 726 | 737 |
} |
| 727 |
if (level == -1) {
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n = _level->highestActive(); |
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level = _level->highestActiveLevel(); |
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} else {
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n = _level->activeOn(level); |
|
| 732 | 738 |
} |
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--num; |
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} |
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first_phase_done:; |
|
| 736 | 740 |
} |
| 737 | 741 |
|
| 738 | 742 |
/// \brief Starts the second phase of the preflow algorithm. |
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