Lines Matching refs:xchanged

110     var $xchanged = array();
129         $this->xchanged = $this->ychanged = array();
140             $this->xchanged[$skip] = $this->ychanged[$skip] = false;
148             $this->xchanged[$xi] = $this->ychanged[$yi] = false;
164             if (($this->xchanged[$xi] = empty($yhash[$line])))
174         $this->_shift_boundaries($from_lines, $this->xchanged, $this->ychanged);
175         $this->_shift_boundaries($to_lines, $this->ychanged, $this->xchanged);
181             USE_ASSERTS && assert($yi < $n_to || $this->xchanged[$xi]);
186             while ($xi < $n_from && $yi < $n_to && !$this->xchanged[$xi] && !$this->ychanged[$yi]) {
195             while ($xi < $n_from && $this->xchanged[$xi])
377                 $this->xchanged[$this->xind[$xoff++]] = 1;