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small cleanups

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closes https://github.com/official-stockfish/Stockfish/pull/2653

No functional change
This commit is contained in:
Joost VandeVondele
2020-05-23 13:26:13 +02:00
parent d940e59dad
commit 383b12e1a5
14 changed files with 64 additions and 50 deletions
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5
src/pawns.cpp
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@@ -87,6 +87,7 @@ namespace {
e->passedPawns[Us] = 0;
e->kingSquares[Us] = SQ_NONE;
e->pawnAttacks[Us] = e->pawnAttacksSpan[Us] = pawn_attacks_bb<Us>(ourPawns);
e->blockedCount += popcount(shift<Up>(ourPawns) & (theirPawns | doubleAttackThem));
// Loop through all pawns of the current color and score each pawn
while ((s = *pl++) != SQ_NONE)
@@ -106,8 +107,6 @@ namespace {
phalanx = neighbours & rank_bb(s);
support = neighbours & rank_bb(s - Up);
e->blockedCount += blocked || more_than_one(leverPush);
// A pawn is backward when it is behind all pawns of the same color on
// the adjacent files and cannot safely advance.
backward = !(neighbours & forward_ranks_bb(Them, s + Up))
@@ -216,7 +215,7 @@ Score Entry::evaluate_shelter(const Position& pos, Square ksq) {
b = theirPawns & file_bb(f);
int theirRank = b ? relative_rank(Us, frontmost_sq(Them, b)) : 0;
File d = File(edge_distance(f));
int d = edge_distance(f);
bonus += make_score(ShelterStrength[d][ourRank], 0);
if (ourRank && (ourRank == theirRank - 1))