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Simplify semiopen_file (#2165)

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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
http://tests.stockfishchess.org/tests/view/5ceb3e2e0ebc5925cf07ab03

Non functional change.
This commit is contained in:
protonspring
2019-05-29 02:00:32 -06:00
committed by Marco Costalba
parent 190f38a7c2
commit c645587270
2 changed files with 5 additions and 5 deletions
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4
src/evaluate.cpp
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@@ -357,8 +357,8 @@ namespace {
score += RookOnPawn * popcount(pos.pieces(Them, PAWN) & PseudoAttacks[ROOK][s]);
// Bonus for rook on an open or semi-open file
if (pos.is_semiopen_file(Us, file_of(s)))
score += RookOnFile[bool(pos.is_semiopen_file(Them, file_of(s)))];
if (pos.is_on_semiopen_file(Us, s))
score += RookOnFile[bool(pos.is_on_semiopen_file(Them, s))];
// Penalty when trapped by the king, even more if the king cannot castle
else if (mob <= 3)