Lines Matching refs:ex

470                 $sx = $sy = $ex = $ey = -1;
488                                     if ($x > $ex) {
489                                         $ex = $x;
496                 $nx = abs($ex - $sx);
517                 $sx = $sy = $ex = $ey = -1;
535                                     if ($x > $ex) {
536                                         $ex = $x;
543                 $nx = abs($ex - $sx);
576                 $sx = $sy = $ex = $ey = -1;
594                                     if ($x > $ex) {
595                                         $ex = $x;
602                 $nx = abs($ex - $sx);
650                 $sx = $sy = $ex = $ey = -1;
668                                     if ($x > $ex) {
669                                         $ex = $x;
676                 $nx = abs($ex - $sx);