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Prefer template to name decoration

Browse source 
This also allows faster code although bigger.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2008-10-19 12:43:09 +01:00
parent 832a8a2719
commit f036239521
5 changed files with 111 additions and 111 deletions
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4
src/endgame.cpp
View file

@ -489,7 +489,7 @@ ScaleFactor KQKRPScalingFunction::apply(const Position &pos) {
relative_rank(weakerSide, pos.king_square(strongerSide)) >= RANK_4 &&
(pos.rooks(weakerSide) & relative_rank_bb(weakerSide, RANK_3)) &&
(pos.pawns(weakerSide) & relative_rank_bb(weakerSide, RANK_2)) &&
(pos.king_attacks(kingSq) & pos.pawns(weakerSide))) {
(pos.piece_attacks<KING>(kingSq) & pos.pawns(weakerSide))) {
Square rsq = pos.rook_list(weakerSide, 0);
if(pos.pawn_attacks(strongerSide, rsq) & pos.pawns(weakerSide))
return ScaleFactor(0);
@ -732,7 +732,7 @@ ScaleFactor KBPKBScalingFunction::apply(const Position &pos) {
ray_bb(pawnSq, (strongerSide == WHITE)? SIGNED_DIR_N : SIGNED_DIR_S);
if(ray & pos.kings(weakerSide))
return ScaleFactor(0);
if((pos.bishop_attacks(weakerBishopSq) & ray)
if((pos.piece_attacks<BISHOP>(weakerBishopSq) & ray)
&& square_distance(weakerBishopSq, pawnSq) >= 3)
return ScaleFactor(0);
}

18
src/evaluate.cpp
View file

@ -322,8 +322,8 @@ Value evaluate(const Position &pos, EvalInfo &ei, int threadID) {
ei.egValue += apply_weight(ei.pi->eg_value(), WeightPawnStructureEndgame);
// Initialize king attack bitboards and king attack zones for both sides
ei.attackedBy[WHITE][KING] = pos.king_attacks(pos.king_square(WHITE));
ei.attackedBy[BLACK][KING] = pos.king_attacks(pos.king_square(BLACK));
ei.attackedBy[WHITE][KING] = pos.piece_attacks<KING>(pos.king_square(WHITE));
ei.attackedBy[BLACK][KING] = pos.piece_attacks<KING>(pos.king_square(BLACK));
ei.kingZone[WHITE] = ei.attackedBy[BLACK][KING] | (ei.attackedBy[BLACK][KING] >> 8);
ei.kingZone[BLACK] = ei.attackedBy[WHITE][KING] | (ei.attackedBy[WHITE][KING] << 8);
@ -584,7 +584,7 @@ namespace {
void evaluate_knight(const Position &p, Square s, Color us, EvalInfo &ei) {
Bitboard b = p.knight_attacks(s);
Bitboard b = p.piece_attacks<KNIGHT>(s);
ei.attackedBy[us][KNIGHT] |= b;
// King attack, mobility and outposts
@ -679,7 +679,7 @@ namespace {
void evaluate_queen(const Position &p, Square s, Color us, EvalInfo &ei) {
Bitboard b = p.queen_attacks(s);
Bitboard b = p.piece_attacks<QUEEN>(s);
ei.attackedBy[us][QUEEN] |= b;
// King attack and mobility
@ -772,7 +772,7 @@ namespace {
if (QueenContactMates && !p.is_check())
{
Bitboard escapeSquares =
p.king_attacks(s) & ~p.pieces_of_color(us) & ~attackedByOthers;
p.piece_attacks<KING>(s) & ~p.pieces_of_color(us) & ~attackedByOthers;
while (b)
{
@ -784,7 +784,7 @@ namespace {
for (int i = 0; i < p.queen_count(them); i++)
{
from = p.queen_list(them, i);
if ( bit_is_set(p.queen_attacks(from), to)
if ( bit_is_set(p.piece_attacks<QUEEN>(from), to)
&& !bit_is_set(p.pinned_pieces(them), from)
&& !(rook_attacks_bb(to, occ & clear_mask_bb(from)) & p.rooks_and_queens(us))
&& !(rook_attacks_bb(to, occ & clear_mask_bb(from)) & p.rooks_and_queens(us)))
@ -817,7 +817,7 @@ namespace {
// Analyse safe distance checks:
if (QueenCheckBonus > 0 || RookCheckBonus > 0)
{
b = p.rook_attacks(s) & ~p.pieces_of_color(them) & ~ei.attacked_by(us);
b = p.piece_attacks<ROOK>(s) & ~p.pieces_of_color(them) & ~ei.attacked_by(us);
// Queen checks
b2 = b & ei.attacked_by(them, QUEEN);
@ -831,7 +831,7 @@ namespace {
}
if (QueenCheckBonus > 0 || BishopCheckBonus > 0)
{
b = p.bishop_attacks(s) & ~p.pieces_of_color(them) & ~ei.attacked_by(us);
b = p.piece_attacks<BISHOP>(s) & ~p.pieces_of_color(them) & ~ei.attacked_by(us);
// Queen checks
b2 = b & ei.attacked_by(them, QUEEN);
@ -845,7 +845,7 @@ namespace {
}
if (KnightCheckBonus > 0)
{
b = p.knight_attacks(s) & ~p.pieces_of_color(them) & ~ei.attacked_by(us);
b = p.piece_attacks<KNIGHT>(s) & ~p.pieces_of_color(them) & ~ei.attacked_by(us);
// Knight checks
b2 = b & ei.attacked_by(them, KNIGHT);

88
src/movegen.cpp
View file

@ -59,11 +59,17 @@ namespace {
int generate_pawn_captures(const PawnOffsets&, const Position&, MoveStack*);
int generate_pawn_noncaptures(const PawnOffsets&, const Position&, MoveStack*);
int generate_pawn_checks(const PawnOffsets&, const Position&, Bitboard, Square, MoveStack*, int);
int generate_piece_checks(PieceType, const Position&, Bitboard, Bitboard, Square, MoveStack*, int);
int generate_piece_moves(PieceType, const Position&, MoveStack*, Color, Bitboard);
int generate_castle_moves(const Position&, MoveStack*, Color);
int generate_piece_blocking_evasions(PieceType, const Position&, Bitboard, Bitboard, MoveStack*, int);
int generate_pawn_blocking_evasions(const PawnOffsets&, const Position&, Bitboard, Bitboard, MoveStack*, int);
template<PieceType>
int generate_piece_moves(const Position&, MoveStack*, Color, Bitboard);
template<PieceType>
int generate_piece_checks(const Position&, Bitboard, Bitboard, Square, MoveStack*, int);
template<PieceType>
int generate_piece_blocking_evasions(const Position&, Bitboard, Bitboard, MoveStack*, int);
}
@ -89,9 +95,11 @@ int generate_captures(const Position& pos, MoveStack* mlist) {
else
n = generate_pawn_captures(BlackPawnOffsets, pos, mlist);
for (PieceType pce = KNIGHT; pce <= KING; pce++)
n += generate_piece_moves(pce, pos, mlist+n, us, target);
n += generate_piece_moves<KNIGHT>(pos, mlist+n, us, target);
n += generate_piece_moves<BISHOP>(pos, mlist+n, us, target);
n += generate_piece_moves<ROOK>(pos, mlist+n, us, target);
n += generate_piece_moves<QUEEN>(pos, mlist+n, us, target);
n += generate_piece_moves<KING>(pos, mlist+n, us, target);
return n;
}
@ -113,8 +121,11 @@ int generate_noncaptures(const Position& pos, MoveStack *mlist) {
else
n = generate_pawn_noncaptures(BlackPawnOffsets, pos, mlist);
for (PieceType pce = KNIGHT; pce <= KING; pce++)
n += generate_piece_moves(pce, pos, mlist+n, us, target);
n += generate_piece_moves<KNIGHT>(pos, mlist+n, us, target);
n += generate_piece_moves<BISHOP>(pos, mlist+n, us, target);
n += generate_piece_moves<ROOK>(pos, mlist+n, us, target);
n += generate_piece_moves<QUEEN>(pos, mlist+n, us, target);
n += generate_piece_moves<KING>(pos, mlist+n, us, target);
n += generate_castle_moves(pos, mlist+n, us);
return n;
@ -147,25 +158,25 @@ int generate_checks(const Position& pos, MoveStack* mlist, Bitboard dc) {
// Pieces moves
Bitboard b = pos.knights(us);
if (b)
n = generate_piece_checks(KNIGHT, pos, b, dc, ksq, mlist, n);
n = generate_piece_checks<KNIGHT>(pos, b, dc, ksq, mlist, n);
b = pos.bishops(us);
if (b)
n = generate_piece_checks(BISHOP, pos, b, dc, ksq, mlist, n);
n = generate_piece_checks<BISHOP>(pos, b, dc, ksq, mlist, n);
b = pos.rooks(us);
if (b)
n = generate_piece_checks(ROOK, pos, b, dc, ksq, mlist, n);
n = generate_piece_checks<ROOK>(pos, b, dc, ksq, mlist, n);
b = pos.queens(us);
if (b)
n = generate_piece_checks(QUEEN, pos, b, dc, ksq, mlist, n);
n = generate_piece_checks<QUEEN>(pos, b, dc, ksq, mlist, n);
// King moves
Square from = pos.king_square(us);
if (bit_is_set(dc, from))
{
b = pos.king_attacks(from) & pos.empty_squares() & ~QueenPseudoAttacks[ksq];
b = pos.piece_attacks<KING>(from) & pos.empty_squares() & ~QueenPseudoAttacks[ksq];
while (b)
{
Square to = pop_1st_bit(&b);
@ -198,7 +209,7 @@ int generate_evasions(const Position& pos, MoveStack* mlist) {
assert(pos.piece_on(ksq) == king_of_color(us));
// Generate evasions for king
Bitboard b1 = pos.king_attacks(ksq) & ~pos.pieces_of_color(us);
Bitboard b1 = pos.piece_attacks<KING>(ksq) & ~pos.pieces_of_color(us);
Bitboard b2 = pos.occupied_squares();
clear_bit(&b2, ksq);
@ -213,9 +224,9 @@ int generate_evasions(const Position& pos, MoveStack* mlist) {
// the king will remain in check on the destination square.
if (!( (bishop_attacks_bb(to, b2) & pos.bishops_and_queens(them))
|| (rook_attacks_bb(to, b2) & pos.rooks_and_queens(them))
|| (pos.knight_attacks(to) & pos.knights(them))
|| (pos.piece_attacks<KNIGHT>(to) & pos.knights(them))
|| (pos.pawn_attacks(us, to) & pos.pawns(them))
|| (pos.king_attacks(to) & pos.kings(them))))
|| (pos.piece_attacks<KING>(to) & pos.kings(them))))
mlist[n++].move = make_move(ksq, to);
}
@ -252,9 +263,9 @@ int generate_evasions(const Position& pos, MoveStack* mlist) {
}
// Pieces captures
b1 = ( (pos.knight_attacks(checksq) & pos.knights(us))
| (pos.bishop_attacks(checksq) & pos.bishops_and_queens(us))
| (pos.rook_attacks(checksq) & pos.rooks_and_queens(us)) ) & not_pinned;
b1 = ( (pos.piece_attacks<KNIGHT>(checksq) & pos.knights(us))
| (pos.piece_attacks<BISHOP>(checksq) & pos.bishops_and_queens(us))
| (pos.piece_attacks<ROOK>(checksq) & pos.rooks_and_queens(us)) ) & not_pinned;
while (b1)
{
@ -280,19 +291,19 @@ int generate_evasions(const Position& pos, MoveStack* mlist) {
// Pieces moves
b1 = pos.knights(us) & not_pinned;
if (b1)
n = generate_piece_blocking_evasions(KNIGHT, pos, b1, blockSquares, mlist, n);
n = generate_piece_blocking_evasions<KNIGHT>(pos, b1, blockSquares, mlist, n);
b1 = pos.bishops(us) & not_pinned;
if (b1)
n = generate_piece_blocking_evasions(BISHOP, pos, b1, blockSquares, mlist, n);
n = generate_piece_blocking_evasions<BISHOP>(pos, b1, blockSquares, mlist, n);
b1 = pos.rooks(us) & not_pinned;
if (b1)
n = generate_piece_blocking_evasions(ROOK, pos, b1, blockSquares, mlist, n);
n = generate_piece_blocking_evasions<ROOK>(pos, b1, blockSquares, mlist, n);
b1 = pos.queens(us) & not_pinned;
if (b1)
n = generate_piece_blocking_evasions(QUEEN, pos, b1, blockSquares, mlist, n);
n = generate_piece_blocking_evasions<QUEEN>(pos, b1, blockSquares, mlist, n);
}
// Finally, the ugly special case of en passant captures. An en passant
@ -669,18 +680,18 @@ namespace {
}
int generate_piece_moves(PieceType piece, const Position &pos, MoveStack *mlist,
template<PieceType Piece>
int generate_piece_moves(const Position &pos, MoveStack *mlist,
Color side, Bitboard target) {
const Piece_attacks_fn mem_fn = piece_attacks_fn[piece];
Square from, to;
Bitboard b;
int n = 0;
for (int i = 0; i < pos.piece_count(side, piece); i++)
for (int i = 0; i < pos.piece_count(side, Piece); i++)
{
from = pos.piece_list(side, piece, i);
b = (pos.*mem_fn)(from) & target;
from = pos.piece_list(side, Piece, i);
b = pos.piece_attacks<Piece>(from) & target;
while (b)
{
to = pop_1st_bit(&b);
@ -756,17 +767,16 @@ namespace {
return n;
}
int generate_piece_checks(PieceType pce, const Position& pos, Bitboard target,
Bitboard dc, Square ksq, MoveStack* mlist, int n) {
const Piece_attacks_fn mem_fn = piece_attacks_fn[pce];
template<PieceType Piece>
int generate_piece_checks(const Position& pos, Bitboard target, Bitboard dc,
Square ksq, MoveStack* mlist, int n) {
// Discovered checks
Bitboard b = target & dc;
while (b)
{
Square from = pop_1st_bit(&b);
Bitboard bb = (pos.*mem_fn)(from) & pos.empty_squares();
Bitboard bb = pos.piece_attacks<Piece>(from) & pos.empty_squares();
while (bb)
{
Square to = pop_1st_bit(&bb);
@ -776,11 +786,11 @@ namespace {
// Direct checks
b = target & ~dc;
Bitboard checkSqs = (pos.*mem_fn)(ksq) & pos.empty_squares();
Bitboard checkSqs = pos.piece_attacks<Piece>(ksq) & pos.empty_squares();
while (b)
{
Square from = pop_1st_bit(&b);
Bitboard bb = (pos.*mem_fn)(from) & checkSqs;
Bitboard bb = pos.piece_attacks<Piece>(from) & checkSqs;
while (bb)
{
Square to = pop_1st_bit(&bb);
@ -841,15 +851,13 @@ namespace {
}
int generate_piece_blocking_evasions(PieceType pce, const Position& pos, Bitboard b,
template<PieceType Piece>
int generate_piece_blocking_evasions(const Position& pos, Bitboard b,
Bitboard blockSquares, MoveStack* mlist, int n) {
const Piece_attacks_fn mem_fn = piece_attacks_fn[pce];
while (b)
{
Square from = pop_1st_bit(&b);
Bitboard bb = (pos.*mem_fn)(from) & blockSquares;
Bitboard bb = pos.piece_attacks<Piece>(from) & blockSquares;
while (bb)
{
Square to = pop_1st_bit(&bb);

67
src/position.cpp
View file

@ -48,13 +48,6 @@ Key Position::zobSideToMove;
Value Position::MgPieceSquareTable[16][64];
Value Position::EgPieceSquareTable[16][64];
const Piece_attacks_fn piece_attacks_fn[] =
{ 0, 0,
&Position::knight_attacks,
&Position::bishop_attacks,
&Position::rook_attacks,
&Position::queen_attacks,
&Position::king_attacks };
////
//// Functions
@ -315,7 +308,7 @@ Bitboard Position::pinned_pieces(Color c) const {
sliders = rooks_and_queens(them) & ~checkers();
if(sliders & RookPseudoAttacks[ksq]) {
b2 = rook_attacks(ksq) & pieces_of_color(c);
b2 = piece_attacks<ROOK>(ksq) & pieces_of_color(c);
pinners = rook_attacks_bb(ksq, b1 ^ b2) & sliders;
while(pinners) {
s = pop_1st_bit(&pinners);
@ -325,7 +318,7 @@ Bitboard Position::pinned_pieces(Color c) const {
sliders = bishops_and_queens(them) & ~checkers();
if(sliders & BishopPseudoAttacks[ksq]) {
b2 = bishop_attacks(ksq) & pieces_of_color(c);
b2 = piece_attacks<BISHOP>(ksq) & pieces_of_color(c);
pinners = bishop_attacks_bb(ksq, b1 ^ b2) & sliders;
while(pinners) {
s = pop_1st_bit(&pinners);
@ -350,7 +343,7 @@ Bitboard Position::discovered_check_candidates(Color c) const {
sliders = rooks_and_queens(c);
if(sliders & RookPseudoAttacks[ksq]) {
b2 = rook_attacks(ksq) & pieces_of_color(c);
b2 = piece_attacks<ROOK>(ksq) & pieces_of_color(c);
checkers = rook_attacks_bb(ksq, b1 ^ b2) & sliders;
while(checkers) {
s = pop_1st_bit(&checkers);
@ -360,7 +353,7 @@ Bitboard Position::discovered_check_candidates(Color c) const {
sliders = bishops_and_queens(c);
if(sliders & BishopPseudoAttacks[ksq]) {
b2 = bishop_attacks(ksq) & pieces_of_color(c);
b2 = piece_attacks<BISHOP>(ksq) & pieces_of_color(c);
checkers = bishop_attacks_bb(ksq, b1 ^ b2) & sliders;
while(checkers) {
s = pop_1st_bit(&checkers);
@ -378,10 +371,10 @@ Bitboard Position::discovered_check_candidates(Color c) const {
bool Position::square_is_attacked(Square s, Color c) const {
return
(pawn_attacks(opposite_color(c), s) & pawns(c)) ||
(knight_attacks(s) & knights(c)) ||
(king_attacks(s) & kings(c)) ||
(rook_attacks(s) & rooks_and_queens(c)) ||
(bishop_attacks(s) & bishops_and_queens(c));
(piece_attacks<KNIGHT>(s) & knights(c)) ||
(piece_attacks<KING>(s) & kings(c)) ||
(piece_attacks<ROOK>(s) & rooks_and_queens(c)) ||
(piece_attacks<BISHOP>(s) & bishops_and_queens(c));
}
@ -394,10 +387,10 @@ Bitboard Position::attacks_to(Square s) const {
return
(black_pawn_attacks(s) & pawns(WHITE)) |
(white_pawn_attacks(s) & pawns(BLACK)) |
(knight_attacks(s) & pieces_of_type(KNIGHT)) |
(rook_attacks(s) & rooks_and_queens()) |
(bishop_attacks(s) & bishops_and_queens()) |
(king_attacks(s) & pieces_of_type(KING));
(piece_attacks<KNIGHT>(s) & pieces_of_type(KNIGHT)) |
(piece_attacks<ROOK>(s) & rooks_and_queens()) |
(piece_attacks<BISHOP>(s) & bishops_and_queens()) |
(piece_attacks<KING>(s) & pieces_of_type(KING));
}
Bitboard Position::attacks_to(Square s, Color c) const {
@ -588,7 +581,7 @@ bool Position::move_is_check(Move m, Bitboard dcCandidates) const {
return true;
// Normal check?
else
return bit_is_set(knight_attacks(ksq), to);
return bit_is_set(piece_attacks<KNIGHT>(ksq), to);
case BISHOP:
// Discovered check?
@ -596,7 +589,7 @@ bool Position::move_is_check(Move m, Bitboard dcCandidates) const {
return true;
// Normal check?
else
return bit_is_set(bishop_attacks(ksq), to);
return bit_is_set(piece_attacks<BISHOP>(ksq), to);
case ROOK:
// Discovered check?
@ -604,13 +597,13 @@ bool Position::move_is_check(Move m, Bitboard dcCandidates) const {
return true;
// Normal check?
else
return bit_is_set(rook_attacks(ksq), to);
return bit_is_set(piece_attacks<ROOK>(ksq), to);
case QUEEN:
// Discovered checks are impossible!
assert(!bit_is_set(dcCandidates, from));
// Normal check?
return bit_is_set(queen_attacks(ksq), to);
return bit_is_set(piece_attacks<QUEEN>(ksq), to);
case KING:
// Discovered check?
@ -889,45 +882,45 @@ void Position::do_move(Move m, UndoInfo &u, Bitboard dcCandidates) {
set_bit(&checkersBB, to);
if(bit_is_set(dcCandidates, from))
checkersBB |=
((rook_attacks(ksq) & rooks_and_queens(us)) |
(bishop_attacks(ksq) & bishops_and_queens(us)));
((piece_attacks<ROOK>(ksq) & rooks_and_queens(us)) |
(piece_attacks<BISHOP>(ksq) & bishops_and_queens(us)));
break;
case KNIGHT:
if(bit_is_set(knight_attacks(ksq), to))
if(bit_is_set(piece_attacks<KNIGHT>(ksq), to))
set_bit(&checkersBB, to);
if(bit_is_set(dcCandidates, from))
checkersBB |=
((rook_attacks(ksq) & rooks_and_queens(us)) |
(bishop_attacks(ksq) & bishops_and_queens(us)));
((piece_attacks<ROOK>(ksq) & rooks_and_queens(us)) |
(piece_attacks<BISHOP>(ksq) & bishops_and_queens(us)));
break;
case BISHOP:
if(bit_is_set(bishop_attacks(ksq), to))
if(bit_is_set(piece_attacks<BISHOP>(ksq), to))
set_bit(&checkersBB, to);
if(bit_is_set(dcCandidates, from))
checkersBB |=
(rook_attacks(ksq) & rooks_and_queens(us));
(piece_attacks<ROOK>(ksq) & rooks_and_queens(us));
break;
case ROOK:
if(bit_is_set(rook_attacks(ksq), to))
if(bit_is_set(piece_attacks<ROOK>(ksq), to))
set_bit(&checkersBB, to);
if(bit_is_set(dcCandidates, from))
checkersBB |=
(bishop_attacks(ksq) & bishops_and_queens(us));
(piece_attacks<BISHOP>(ksq) & bishops_and_queens(us));
break;
case QUEEN:
if(bit_is_set(queen_attacks(ksq), to))
if(bit_is_set(piece_attacks<QUEEN>(ksq), to))
set_bit(&checkersBB, to);
break;
case KING:
if(bit_is_set(dcCandidates, from))
checkersBB |=
((rook_attacks(ksq) & rooks_and_queens(us)) |
(bishop_attacks(ksq) & bishops_and_queens(us)));
((piece_attacks<ROOK>(ksq) & rooks_and_queens(us)) |
(piece_attacks<BISHOP>(ksq) & bishops_and_queens(us)));
break;
default:
@ -1637,8 +1630,8 @@ int Position::see(Square from, Square to) const {
attackers =
(rook_attacks_bb(to, occ) & rooks_and_queens()) |
(bishop_attacks_bb(to, occ) & bishops_and_queens()) |
(knight_attacks(to) & knights()) |
(king_attacks(to) & kings()) |
(piece_attacks<KNIGHT>(to) & knights()) |
(piece_attacks<KING>(to) & kings()) |
(white_pawn_attacks(to) & pawns(BLACK)) |
(black_pawn_attacks(to) & pawns(WHITE));
attackers &= occ;

45
src/position.h
View file

@ -196,11 +196,9 @@ public:
Bitboard pawn_attacks(Color c, Square s) const;
Bitboard white_pawn_attacks(Square s) const;
Bitboard black_pawn_attacks(Square s) const;
Bitboard knight_attacks(Square s) const;
Bitboard bishop_attacks(Square s) const;
Bitboard rook_attacks(Square s) const;
Bitboard queen_attacks(Square s) const;
Bitboard king_attacks(Square s) const;
template<PieceType>
Bitboard piece_attacks(Square s) const;
// Bitboards for pinned pieces and discovered check candidates
Bitboard discovered_check_candidates(Color c) const;
@ -370,10 +368,6 @@ private:
};
/// An array of member functions to dispatch attacks_square
typedef Bitboard (Position::* Piece_attacks_fn)(Square s) const;
extern const Piece_attacks_fn piece_attacks_fn[];
////
//// Inline functions
////
@ -590,23 +584,28 @@ inline Bitboard Position::black_pawn_attacks(Square s) const {
return pawn_attacks(BLACK, s);
}
inline Bitboard Position::knight_attacks(Square s) const {
template<>
inline Bitboard Position::piece_attacks<KNIGHT>(Square s) const {
return StepAttackBB[KNIGHT][s];
}
inline Bitboard Position::rook_attacks(Square s) const {
return rook_attacks_bb(s, occupied_squares());
}
inline Bitboard Position::bishop_attacks(Square s) const {
template<>
inline Bitboard Position::piece_attacks<BISHOP>(Square s) const {
return bishop_attacks_bb(s, occupied_squares());
}
inline Bitboard Position::queen_attacks(Square s) const {
return rook_attacks(s) | bishop_attacks(s);
template<>
inline Bitboard Position::piece_attacks<ROOK>(Square s) const {
return rook_attacks_bb(s, occupied_squares());
}
inline Bitboard Position::king_attacks(Square s) const {
template<>
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];
}
@ -627,23 +626,23 @@ inline bool Position::black_pawn_attacks_square(Square f, Square t) const {
}
inline bool Position::knight_attacks_square(Square f, Square t) const {
return bit_is_set(knight_attacks(f), t);
return bit_is_set(piece_attacks<KNIGHT>(f), t);
}
inline bool Position::bishop_attacks_square(Square f, Square t) const {
return bit_is_set(bishop_attacks(f), t);
return bit_is_set(piece_attacks<BISHOP>(f), t);
}
inline bool Position::rook_attacks_square(Square f, Square t) const {
return bit_is_set(rook_attacks(f), t);
return bit_is_set(piece_attacks<ROOK>(f), t);
}
inline bool Position::queen_attacks_square(Square f, Square t) const {
return bit_is_set(queen_attacks(f), t);
return bit_is_set(piece_attacks<QUEEN>(f), t);
}
inline bool Position::king_attacks_square(Square f, Square t) const {
return bit_is_set(king_attacks(f), t);
return bit_is_set(piece_attacks<KING>(f), t);
}
inline bool Position::pawn_is_passed(Color c, Square s) const {