Lines Matching refs:yoff
149 protected function _diag ($xoff, $xlim, $yoff, $ylim, $nchunks) argument
153 if ($xlim - $xoff > $ylim - $yoff) {
157 list ($xoff, $xlim, $yoff, $ylim)
158 = array($yoff, $ylim, $xoff, $xlim);
162 for ($i = $ylim - 1; $i >= $yoff; $i--) {
166 for ($i = $ylim - 1; $i >= $yoff; $i--) {
172 $this->seq[0]= $yoff - 1;
208 $seps[] = $flip ? array($yoff, $xoff) : array($xoff, $yoff);
259 protected function _compareseq ($xoff, $xlim, $yoff, $ylim) argument
262 while ($xoff < $xlim && $yoff < $ylim
263 && $this->xv[$xoff] == $this->yv[$yoff]) {
265 ++$yoff;
269 while ($xlim > $xoff && $ylim > $yoff
275 if ($xoff == $xlim || $yoff == $ylim) {
281 $nchunks = min(7, $xlim - $xoff, $ylim - $yoff) + 1;
283 = $this->_diag($xoff, $xlim, $yoff, $ylim, $nchunks);
289 while ($yoff < $ylim) {
290 $this->ychanged[$this->yind[$yoff++]] = 1;
