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Consolidate CastlingSide and CastlingRights

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This is a non-functional simplification that removes CastlingSide and
implements the functionality in CastlingRights (thanks to Jörg Oster
for a comment on the first version of this patch).

STC
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 53854 W: 12077 L: 12019 D: 29758
http://tests.stockfishchess.org/tests/view/5d517b940ebc5925cf107474

Closes https://github.com/official-stockfish/Stockfish/pull/2265

No functional change
This commit is contained in:
protonspring
2019-08-12 08:42:28 -06:00
committed by Stéphane Nicolet
parent a016626825
commit 3984b8f8f0
5 changed files with 26 additions and 29 deletions
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4
src/pawns.cpp
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@@ -238,10 +238,10 @@ Score Entry::do_king_safety(const Position& pos) {
evaluate_shelter<Us>(pos, ksq, shelter);
// If we can castle use the bonus after the castling if it is bigger
if (pos.can_castle(Us | KING_SIDE))
if (pos.can_castle(Us & KING_SIDE))
evaluate_shelter<Us>(pos, relative_square(Us, SQ_G1), shelter);
if (pos.can_castle(Us | QUEEN_SIDE))
if (pos.can_castle(Us & QUEEN_SIDE))
evaluate_shelter<Us>(pos, relative_square(Us, SQ_C1), shelter);
return shelter - make_score(0, 16 * minPawnDist);