<br />
<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_5o5cgm4u824fkk00rm4cr4hrvq, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
<br />
<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
!7

static double[][] ii;

p {
  ii = integralImage(toBW(new RGBImage(5, 5, Color.gray)));
  printStruct(ii);
  checkRect(rect(1, 1, 2, 2));
  checkRect(rect(1, 2, 2, 2));
  checkRect(rect(2, 2, 2, 2));
  checkRect(rect(2, 3, 3, 3));
}

svoid checkRect(Rect r) {
  print("Volume: " + rectVolume(r) + ", sum: " + iiSumRect(ii, r));
}