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Transform minKingPawnDistance into a local variable

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minKingPawnDistance is used only as local variable in one place so we don't need it to be part of "Pawns::Entry" structure.

No functional change.

Resolves #277
This commit is contained in:
hxim 2015-03-07 09:03:19 +00:00 • committed by Joona Kiiski
parent 856a5f3aaa
commit 3017e8c604
2 changed files with 4 additions and 5 deletions
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8
src/pawns.cpp
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@ -294,14 +294,14 @@ Score Entry::do_king_safety(const Position& pos, Square ksq) {
kingSquares[Us] = ksq; kingSquares[Us] = ksq;
castlingRights[Us] = pos.can_castle(Us); castlingRights[Us] = pos.can_castle(Us);
minKingPawnDistance[Us] = 0; int minKingPawnDistance = 0;
Bitboard pawns = pos.pieces(Us, PAWN); Bitboard pawns = pos.pieces(Us, PAWN);
if (pawns) if (pawns)
while (!(DistanceRingBB[ksq][minKingPawnDistance[Us]++] & pawns)) {} while (!(DistanceRingBB[ksq][minKingPawnDistance++] & pawns)) {}
if (relative_rank(Us, ksq) > RANK_4) if (relative_rank(Us, ksq) > RANK_4)
return make_score(0, -16 * minKingPawnDistance[Us]); return make_score(0, -16 * minKingPawnDistance);
Value bonus = shelter_storm<Us>(pos, ksq); Value bonus = shelter_storm<Us>(pos, ksq);
@ -312,7 +312,7 @@ Score Entry::do_king_safety(const Position& pos, Square ksq) {
if (pos.can_castle(MakeCastling<Us, QUEEN_SIDE>::right)) if (pos.can_castle(MakeCastling<Us, QUEEN_SIDE>::right))
bonus = std::max(bonus, shelter_storm<Us>(pos, relative_square(Us, SQ_C1))); bonus = std::max(bonus, shelter_storm<Us>(pos, relative_square(Us, SQ_C1)));
return make_score(bonus, -16 * minKingPawnDistance[Us]); return make_score(bonus, -16 * minKingPawnDistance);
} }
// Explicit template instantiation // Explicit template instantiation

1
src/pawns.h
View file

@ -67,7 +67,6 @@ struct Entry {
Bitboard pawnAttacks[COLOR_NB]; Bitboard pawnAttacks[COLOR_NB];
Square kingSquares[COLOR_NB]; Square kingSquares[COLOR_NB];
Score kingSafety[COLOR_NB]; Score kingSafety[COLOR_NB];
int minKingPawnDistance[COLOR_NB];
int castlingRights[COLOR_NB]; int castlingRights[COLOR_NB];
int semiopenFiles[COLOR_NB]; int semiopenFiles[COLOR_NB];
int pawnSpan[COLOR_NB]; int pawnSpan[COLOR_NB];