- | delta >=# 0# = go_up_int_fb c n x1 delta ( 2147483647# -# delta)
- | otherwise = go_dn_int_fb c n x1 delta ((-2147483648#) -# delta)
+ | delta >=# 0# = case maxInt of I# y -> go_up_int_fb c n x1 delta (y -# delta)
+ | otherwise = case minInt of I# y -> go_dn_int_fb c n x1 delta (y -# delta)