Warning: session_start(): open(/var/lib/php/sessions/sess_ej24qg2grt43i8d6nvjqo3p942, O_RDWR) failed: No space left on device (28) in /var/www/tb-usercake/models/config.php on line 51

Warning: session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in /var/www/tb-usercake/models/config.php on line 51
static double ii_diffWhenSplitVertically(IntegralImage img, int y) { ret ii_averageBrightnessOfArea(img, 0, 0, img.w(), y) - ii_averageBrightnessOfArea(img, 0, y, img.w(), img.h()-y); }