- Replace / and % operators in comp_decomp_sync with Barrett multiply-by-reciprocal
(dividend * 5039 >> 24) + correction step. Eliminates ~100 CARRY4 divider chain.
- Add include_dirs for sources_1 fileset so Windows Vivado synthesis finds defines.vh.
- Change CLK_PERIOD from 10.0 (100MHz) to 40.0 (50MHz) to reflect actual target.