Author: protonspring
Date: Wed May 29 10:00:32 2019 +0200
Timestamp: 1559116832

Simplify semiopen_file (#2165)

This is a non-functional simplification. Since our file_bb handles either Files or Squares, using Square here removes some code. Not likely any performance difference despite the test.

STC
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 6081 W: 1444 L: 1291 D: 3346 Elo +8.74
http://tests.stockfishchess.org/tests/view/5ceb3e2e0ebc5925cf07ab03

Non functional change.

http://abrok.eu/stockfish/