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Minor cleanups in bitboard.h

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closes https://github.com/official-stockfish/Stockfish/pull/6618

No functional change
This commit is contained in:
mstembera
2026-02-18 21:44:20 +01:00
committed by Joost VandeVondele
parent 84bdf5e2a6
commit ba852999ff
1 changed files with 6 additions and 16 deletions
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src/bitboard.h
+6 -16
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@@ -96,7 +96,7 @@ extern Magic Magics[SQUARE_NB][2];
constexpr Bitboard square_bb(Square s) { constexpr Bitboard square_bb(Square s) {
assert(is_ok(s)); assert(is_ok(s));
return (1ULL << s); return 1ULL << s;
} }
@@ -403,7 +403,7 @@ inline constexpr auto PseudoAttacks = []() constexpr {
template<PieceType Pt> template<PieceType Pt>
inline Bitboard attacks_bb(Square s, Color c = COLOR_NB) { inline Bitboard attacks_bb(Square s, Color c = COLOR_NB) {
assert((Pt != PAWN || c < COLOR_NB) && (is_ok(s))); assert((Pt != PAWN || c < COLOR_NB) && is_ok(s));
return Pt == PAWN ? PseudoAttacks[c][s] : PseudoAttacks[Pt][s]; return Pt == PAWN ? PseudoAttacks[c][s] : PseudoAttacks[Pt][s];
} }
@@ -414,7 +414,7 @@ inline Bitboard attacks_bb(Square s, Color c = COLOR_NB) {
template<PieceType Pt> template<PieceType Pt>
inline Bitboard attacks_bb(Square s, Bitboard occupied) { inline Bitboard attacks_bb(Square s, Bitboard occupied) {
assert((Pt != PAWN) && (is_ok(s))); assert(Pt != PAWN && is_ok(s));
switch (Pt) switch (Pt)
{ {
@@ -433,7 +433,7 @@ inline Bitboard attacks_bb(Square s, Bitboard occupied) {
// Sliding piece attacks do not continue passed an occupied square. // Sliding piece attacks do not continue passed an occupied square.
inline Bitboard attacks_bb(PieceType pt, Square s, Bitboard occupied) { inline Bitboard attacks_bb(PieceType pt, Square s, Bitboard occupied) {
assert((pt != PAWN) && (is_ok(s))); assert(pt != PAWN && is_ok(s));
switch (pt) switch (pt)
{ {
@@ -448,19 +448,9 @@ inline Bitboard attacks_bb(PieceType pt, Square s, Bitboard occupied) {
} }
} }
inline Bitboard attacks_bb(Piece pc, Square s) {
if (type_of(pc) == PAWN)
return PseudoAttacks[color_of(pc)][s];
return PseudoAttacks[type_of(pc)][s];
}
inline Bitboard attacks_bb(Piece pc, Square s, Bitboard occupied) { inline Bitboard attacks_bb(Piece pc, Square s, Bitboard occupied) {
if (type_of(pc) == PAWN) return type_of(pc) == PAWN ? PseudoAttacks[color_of(pc)][s]
return PseudoAttacks[color_of(pc)][s]; : attacks_bb(type_of(pc), s, occupied);
return attacks_bb(type_of(pc), s, occupied);
} }
} // namespace Stockfish } // namespace Stockfish