()
| 413 | |
| 414 | // Swap inputs without letting either input go dead during the swap. |
| 415 | Node swap12() { |
| 416 | Node tmp = in(1); |
| 417 | _inputs.set(1,in(2)); |
| 418 | _inputs.set(2,tmp); |
| 419 | return this; |
| 420 | } |
| 421 | |
| 422 | // does this node contain all constants? |
| 423 | // Ignores in(0), as is usually control. |