136 static u16 x_old[MAX_CONTACTS+1] = {0};  variable
561         x_old[id] = x;  in filter_point()
565     x_err = x > x_old[id] ? (x -x_old[id]) : (x_old[id] - x);  in filter_point()
597     x_new = x > x_old[id] ? (x_old[id] + filter_step_x) : (x_old[id] - filter_step_x);  in filter_point()
600     x_old[id] = x_new;  in filter_point()
612         x_old[id]=x;  in record_point()
616     x = (x_old[id] + x)/2;  in record_point()
619     if(x>x_old[id]){  in record_point()
620         x_err=x -x_old[id];  in record_point()
623         x_err=x_old[id]-x;  in record_point()
634         x_new = x;     x_old[id] = x;  in record_point()
639             x_new = x;     x_old[id] = x;  in record_point()
642             x_new = x_old[id];  in record_point()
651         x_new= x_old[id];  in record_point()