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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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12
src/position.h
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@@ -100,9 +100,9 @@ public:
// Castling
int castling_rights(Color c) const;
bool can_castle(CastlingRight cr) const;
bool castling_impeded(CastlingRight cr) const;
Square castling_rook_square(CastlingRight cr) const;
bool can_castle(CastlingRights cr) const;
bool castling_impeded(CastlingRights cr) const;
Square castling_rook_square(CastlingRights cr) const;
// Checking
Bitboard checkers() const;
@@ -268,7 +268,7 @@ inline bool Position::is_on_semiopen_file(Color c, Square s) const {
return !(pieces(c, PAWN) & file_bb(s));
}
inline bool Position::can_castle(CastlingRight cr) const {
inline bool Position::can_castle(CastlingRights cr) const {
return st->castlingRights & cr;
}
@@ -276,11 +276,11 @@ inline int Position::castling_rights(Color c) const {
return st->castlingRights & (c == WHITE ? WHITE_CASTLING : BLACK_CASTLING);
}
inline bool Position::castling_impeded(CastlingRight cr) const {
inline bool Position::castling_impeded(CastlingRights cr) const {
return byTypeBB[ALL_PIECES] & castlingPath[cr];
}
inline Square Position::castling_rook_square(CastlingRight cr) const {
inline Square Position::castling_rook_square(CastlingRights cr) const {
return castlingRookSquare[cr];
}