Integer division rounding functions
xieite ::div_ceil ()xieite ::div_ceil_half ()xieite ::div_floor ()xieite ::div_floor_half ()xieite ::div_magnify ()xieite ::div_magnify_half ()xieite ::div_truncate ()xieite ::div_truncate_half ()xieite ::div_ceil ()xieite ::div_ceil_half ()xieite ::div_floor ()xieite ::div_floor_half ()xieite ::div_magnify ()xieite ::div_magnify_half ()xieite ::div_truncate ()xieite ::div_truncate_half ()