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https://github.com/HChaZZY/Stockfish.git
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Fixed compilation errors.
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@@ -11,49 +11,41 @@ namespace NNUE {
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namespace Features {
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// Orient a square according to perspective (rotates by 180 for black)
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inline Square orient(Color perspective, Square s) {
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return Square(int(s) ^ (bool(perspective) * 63));
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}
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// Find the index of the feature quantity from the ball position and PieceSquare
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template <Side AssociatedKing>
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inline IndexType HalfRelativeKP<AssociatedKing>::MakeIndex(
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Square sq_k, PieceSquare p) {
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Color perspective, Square s, Piece pc, Square sq_k) {
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const IndexType p = IndexType(orient(perspective, s) + kpp_board_index[pc][perspective]);
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return MakeIndex(sq_k, p);
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}
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// Find the index of the feature quantity from the ball position and PieceSquare
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template <Side AssociatedKing>
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inline IndexType HalfRelativeKP<AssociatedKing>::MakeIndex(
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Square sq_k, IndexType p) {
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constexpr IndexType W = kBoardWidth;
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constexpr IndexType H = kBoardHeight;
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const IndexType piece_index = (p - PieceSquare::PS_W_PAWN) / SQUARE_NB;
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const Square sq_p = static_cast<Square>((p - PieceSquare::PS_W_PAWN) % SQUARE_NB);
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const IndexType piece_index = (p - PS_W_PAWN) / SQUARE_NB;
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const Square sq_p = static_cast<Square>((p - PS_W_PAWN) % SQUARE_NB);
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const IndexType relative_file = file_of(sq_p) - file_of(sq_k) + (W / 2);
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const IndexType relative_rank = rank_of(sq_p) - rank_of(sq_k) + (H / 2);
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return H * W * piece_index + H * relative_file + relative_rank;
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}
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// Get the piece information
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template <Side AssociatedKing>
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inline void HalfRelativeKP<AssociatedKing>::GetPieces(
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const Position& pos, Color perspective,
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PieceSquare** pieces, Square* sq_target_k) {
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*pieces = (perspective == BLACK) ?
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pos.eval_list()->piece_list_fb() :
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pos.eval_list()->piece_list_fw();
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const PieceId target = (AssociatedKing == Side::kFriend) ?
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static_cast<PieceId>(PieceId::PIECE_ID_KING + perspective) :
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static_cast<PieceId>(PieceId::PIECE_ID_KING + ~perspective);
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*sq_target_k = static_cast<Square>(((*pieces)[target] - PieceSquare::PS_W_KING) % SQUARE_NB);
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}
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// Get a list of indices with a value of 1 among the features
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template <Side AssociatedKing>
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void HalfRelativeKP<AssociatedKing>::AppendActiveIndices(
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const Position& pos, Color perspective, IndexList* active) {
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// do nothing if array size is small to avoid compiler warning
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if (RawFeatures::kMaxActiveDimensions < kMaxActiveDimensions) return;
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PieceSquare* pieces;
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Square sq_target_k;
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GetPieces(pos, perspective, &pieces, &sq_target_k);
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for (PieceId i = PieceId::PIECE_ID_ZERO; i < PieceId::PIECE_ID_KING; ++i) {
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if (pieces[i] >= PieceSquare::PS_W_PAWN) {
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if (pieces[i] != PieceSquare::PS_NONE) {
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active->push_back(MakeIndex(sq_target_k, pieces[i]));
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}
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}
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Square ksq = orient(perspective, pos.square<KING>(perspective));
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Bitboard bb = pos.pieces() & ~pos.pieces(KING);
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while (bb) {
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Square s = pop_lsb(&bb);
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active->push_back(MakeIndex(perspective, s, pos.piece_on(s), ksq));
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}
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}
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@@ -62,26 +54,15 @@ template <Side AssociatedKing>
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void HalfRelativeKP<AssociatedKing>::AppendChangedIndices(
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const Position& pos, Color perspective,
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IndexList* removed, IndexList* added) {
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PieceSquare* pieces;
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Square sq_target_k;
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GetPieces(pos, perspective, &pieces, &sq_target_k);
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Square ksq = orient(perspective, pos.square<KING>(perspective));
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const auto& dp = pos.state()->dirtyPiece;
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for (int i = 0; i < dp.dirty_num; ++i) {
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if (dp.pieceId[i] >= PieceId::PIECE_ID_KING) continue;
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const auto old_p = static_cast<PieceSquare>(
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dp.old_piece[i].from[perspective]);
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if (old_p >= PieceSquare::PS_W_PAWN) {
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if (old_p != PieceSquare::PS_NONE) {
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removed->push_back(MakeIndex(sq_target_k, old_p));
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}
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}
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const auto new_p = static_cast<PieceSquare>(
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dp.new_piece[i].from[perspective]);
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if (new_p >= PieceSquare::PS_W_PAWN) {
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if (new_p != PieceSquare::PS_NONE) {
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added->push_back(MakeIndex(sq_target_k, new_p));
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}
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}
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Piece pc = dp.piece[i];
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if (type_of(pc) == KING) continue;
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if (dp.from[i] != SQ_NONE)
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removed->push_back(MakeIndex(perspective, dp.from[i], pc, ksq));
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if (dp.to[i] != SQ_NONE)
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added->push_back(MakeIndex(perspective, dp.to[i], pc, ksq));
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}
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}
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