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Unify piece_attacks<> for KNIGHT and KING

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No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2009-05-21 12:15:52 +02:00
parent 229274546f
commit 1b0888708d
1 changed files with 5 additions and 14 deletions
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19
src/position.h
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@@ -494,10 +494,6 @@ inline Bitboard Position::bishops_and_queens(Color c) const {
return bishops_and_queens() & pieces_of_color(c);
}
inline Bitboard Position::sliders_of_color(Color c) const {
return sliders() & pieces_of_color(c);
}
inline int Position::piece_count(Color c, PieceType pt) const {
return pieceCount[c][pt];
}
@@ -538,14 +534,14 @@ inline Bitboard Position::pawn_attacks(Color c, Square s) const {
return StepAttackBB[piece_of_color_and_type(c, PAWN)][s];
}
template<>
inline Bitboard Position::piece_attacks<PAWN>(Square s) const {
return StepAttackBB[piece_of_color_and_type(opposite_color(sideToMove), PAWN)][s];
template<PieceType Piece> // Knight and King
inline Bitboard Position::piece_attacks(Square s) const {
return StepAttackBB[Piece][s];
}
template<>
inline Bitboard Position::piece_attacks<KNIGHT>(Square s) const {
return StepAttackBB[KNIGHT][s];
inline Bitboard Position::piece_attacks<PAWN>(Square s) const {
return StepAttackBB[piece_of_color_and_type(opposite_color(sideToMove), PAWN)][s];
}
template<>
@@ -563,11 +559,6 @@ inline Bitboard Position::piece_attacks<QUEEN>(Square s) const {
return piece_attacks<ROOK>(s) | piece_attacks<BISHOP>(s);
}
template<>
inline Bitboard Position::piece_attacks<KING>(Square s) const {
return StepAttackBB[KING][s];
}
inline Bitboard Position::checkers() const {
return st->checkersBB;
}