if (pred_order > 2)
c = b - decoded[pred_order-2] + decoded[pred_order-3];
if (pred_order > 3)
- d = c - decoded[pred_order-2] + 2*decoded[pred_order-3] - decoded[pred_order-4];
+ d = c - decoded[pred_order-2] + 2U*decoded[pred_order-3] - decoded[pred_order-4];
switch (pred_order) {
case 0: