| ... | ... |
@@ -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 ( |
|
| 579 |
while (true) {
|
|
| 582 | 580 |
int num = _node_num; |
| 583 | 581 |
|
| 584 |
|
|
| 582 |
Node n = INVALID; |
|
| 583 |
int level = -1; |
|
| 584 |
|
|
| 585 |
while (num > 0) {
|
|
| 586 |
n = _level->highestActive(); |
|
| 587 |
if (n == INVALID) goto first_phase_done; |
|
| 588 |
level = _level->highestActiveLevel(); |
|
| 589 |
--num; |
|
| 590 |
|
|
| 585 | 591 |
Value excess = (*_excess)[n]; |
| 586 | 592 |
int new_level = _level->maxLevel(); |
| 587 | 593 |
|
| ... | ... |
@@ -647,14 +653,22 @@ |
| 647 | 653 |
} else {
|
| 648 | 654 |
_level->deactivate(n); |
| 649 | 655 |
} |
| 650 |
|
|
| 651 |
n = _level->highestActive(); |
|
| 652 |
level = _level->highestActiveLevel(); |
|
| 653 |
--num; |
|
| 654 | 656 |
} |
| 655 | 657 |
|
| 656 | 658 |
num = _node_num * 20; |
| 657 |
while (num > 0 |
|
| 659 |
while (num > 0) {
|
|
| 660 |
while (level >= 0 && _level->activeFree(level)) {
|
|
| 661 |
--level; |
|
| 662 |
} |
|
| 663 |
if (level == -1) {
|
|
| 664 |
n = _level->highestActive(); |
|
| 665 |
level = _level->highestActiveLevel(); |
|
| 666 |
if (n == INVALID) goto first_phase_done; |
|
| 667 |
} else {
|
|
| 668 |
n = _level->activeOn(level); |
|
| 669 |
} |
|
| 670 |
--num; |
|
| 671 |
|
|
| 658 | 672 |
Value excess = (*_excess)[n]; |
| 659 | 673 |
int new_level = _level->maxLevel(); |
| 660 | 674 |
|
| ... | ... |
@@ -720,19 +734,9 @@ |
| 720 | 734 |
} else {
|
| 721 | 735 |
_level->deactivate(n); |
| 722 | 736 |
} |
| 723 |
|
|
| 724 |
while (level >= 0 && _level->activeFree(level)) {
|
|
| 725 |
--level; |
|
| 726 |
} |
|
| 727 |
if (level == -1) {
|
|
| 728 |
n = _level->highestActive(); |
|
| 729 |
level = _level->highestActiveLevel(); |
|
| 730 |
} else {
|
|
| 731 |
n = _level->activeOn(level); |
|
| 732 |
} |
|
| 733 |
--num; |
|
| 734 | 737 |
} |
| 735 | 738 |
} |
| 739 |
first_phase_done:; |
|
| 736 | 740 |
} |
| 737 | 741 |
|
| 738 | 742 |
/// \brief Starts the second phase of the preflow algorithm. |
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