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9fbe9af)
New compact parameter passing API.
No functional change.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
template<CastlingSide Side>
MoveStack* generate_castle_moves(const Position& pos, MoveStack* mlist);
template<CastlingSide Side>
MoveStack* generate_castle_moves(const Position& pos, MoveStack* mlist);
- template<Color Us, Rank, Bitboard, SquareDelta>
MoveStack* generate_pawn_blocking_evasions(const Position&, Bitboard, Bitboard, MoveStack*);
template<Color Us>
MoveStack* generate_pawn_blocking_evasions(const Position&, Bitboard, Bitboard, MoveStack*);
template<Color Us>
template<>
inline MoveStack* generate_piece_moves<PAWN>(const Position& p, MoveStack* m,
Color us, Bitboard t, Bitboard pnd) {
template<>
inline MoveStack* generate_piece_moves<PAWN>(const Position& p, MoveStack* m,
Color us, Bitboard t, Bitboard pnd) {
- if (us == WHITE)
- return generate_pawn_blocking_evasions<WHITE, RANK_8, Rank3BB, DELTA_N>(p, pnd, t, m);
- else
- return generate_pawn_blocking_evasions<BLACK, RANK_1, Rank6BB, DELTA_S>(p, pnd, t, m);
+
+ return (us == WHITE ? generate_pawn_blocking_evasions<WHITE>(p, pnd, t, m)
+ : generate_pawn_blocking_evasions<BLACK>(p, pnd, t, m));
- template<Color Us, Rank TRANK_8, Bitboard TRank3BB, SquareDelta TDELTA_N>
MoveStack* generate_pawn_blocking_evasions(const Position& pos, Bitboard pinned,
Bitboard blockSquares, MoveStack* mlist) {
MoveStack* generate_pawn_blocking_evasions(const Position& pos, Bitboard pinned,
Bitboard blockSquares, MoveStack* mlist) {
+
+ // Calculate our parametrized parameters at compile time
+ const Bitboard TRank8BB = (Us == WHITE ? Rank8BB : Rank1BB);
+ const Bitboard TRank3BB = (Us == WHITE ? Rank3BB : Rank6BB);
+ const SquareDelta TDELTA_N = (Us == WHITE ? DELTA_N : DELTA_S);
+
Square to;
// Find non-pinned pawns and push them one square
Square to;
// Find non-pinned pawns and push them one square
assert(pos.piece_on(to) == EMPTY);
assert(pos.piece_on(to) == EMPTY);
- if (square_rank(to) == TRANK_8)
+ if (square_rank(to) == TRank8BB)
{
(*mlist++).move = make_promotion_move(to - TDELTA_N, to, QUEEN);
(*mlist++).move = make_promotion_move(to - TDELTA_N, to, ROOK);
{
(*mlist++).move = make_promotion_move(to - TDELTA_N, to, QUEEN);
(*mlist++).move = make_promotion_move(to - TDELTA_N, to, ROOK);