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Remove a few file_of's (simplify adjacent_files_bb) #2171

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This is a non-functional simplification that removes two file_of(s).

STC
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 22030 W: 5106 L: 4984 D: 11940
http://tests.stockfishchess.org/tests/view/5cf028de0ebc5925cf0839e7
This commit is contained in:
protonspring
2019-06-09 06:31:16 -06:00
committed by Marco Costalba
parent 5935daf8a5
commit 14e23d520f
2 changed files with 5 additions and 6 deletions
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3
src/pawns.cpp
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@@ -87,7 +87,6 @@ namespace {
{
assert(pos.piece_on(s) == make_piece(Us, PAWN));
File f = file_of(s);
Rank r = relative_rank(Us, s);
e->pawnAttacksSpan[Us] |= pawn_attack_span(Us, s);
@@ -98,7 +97,7 @@ namespace {
lever = theirPawns & PawnAttacks[Us][s];
leverPush = theirPawns & PawnAttacks[Us][s + Up];
doubled = ourPawns & (s - Up);
neighbours = ourPawns & adjacent_files_bb(f);
neighbours = ourPawns & adjacent_files_bb(s);
phalanx = neighbours & rank_bb(s);
support = neighbours & rank_bb(s - Up);