()
| 534 | |
| 535 | // Swap inputs without letting either input go dead during the swap. |
| 536 | Node swap12() { |
| 537 | unlock(); // Hash is order dependent |
| 538 | Node tmp = in(1); |
| 539 | _inputs.set(1,in(2)); |
| 540 | _inputs.set(2,tmp); |
| 541 | return this; |
| 542 | } |
| 543 | |
| 544 | /** |
| 545 | * Does this node contain all constants? Ignores in(0), as is usually |