| // -*- c++ -*- | |
| // Searches the center vertical line above center and below, in both the old | |
| // and new fields, but takes averages. These are even pixel addresses. | |
| MERGE4PIXavg("(%%"XDI", %%"XCX", 2)", "(%%"XSI")") // down, up | |
| MERGE4PIXavg("(%%"XDI")", "(%%"XSI", %%"XCX", 2)") // up, down |