Added #ifdef statements to switch the legacy evaluation function and NNUE evaluation function.

src/position.h

@@ -59,10 +59,12 @@ struct StateInfo {
   Bitboard   pinners[COLOR_NB];
   Bitboard   checkSquares[PIECE_TYPE_NB];
 
+#if defined(EVAL_NNUE)
   Eval::NNUE::Accumulator accumulator;
 
   // <20>]<5D><><EFBFBD>l<EFBFBD>̍<EFBFBD><CC8D><EFBFBD><EFBFBD>v<EFBFBD>Z<EFBFBD>̊Ǘ<CC8A><C797>p
   Eval::DirtyPiece dirtyPiece;
+#endif  // defined(EVAL_NNUE)
 };
 
 /// A list to keep track of the position states along the setup moves (from the
@@ -174,6 +176,7 @@ public:
   bool pos_is_ok() const;
   void flip();
 
+#if defined(EVAL_NNUE)
   // --- StateInfo
 
   // <20><><EFBFBD>݂̋ǖʂɑΉ<C991><CE89><EFBFBD><EFBFBD><EFBFBD>StateInfo<66><6F><EFBFBD>Ԃ<EFBFBD><D482>B
@@ -182,6 +185,7 @@ public:
 
   // <20>]<5D><><EFBFBD>֐<EFBFBD><D690>Ŏg<C58E><67><EFBFBD><EFBFBD><EFBFBD>߂́A<CC81>ǂ̋<C782><CC8B>ԍ<EFBFBD><D48D>̋<CC8B>ǂ<EFBFBD><C782>ɂ<EFBFBD><C982>邩<EFBFBD>Ȃǂ̏<C782><CC8F><EFBFBD><EFBFBD>B
   const Eval::EvalList* eval_list() const { return &evalList; }
+#endif  // defined(EVAL_NNUE)
 
 private:
   // Initialization helpers (used while setting up a position)
@@ -196,8 +200,10 @@ private:
   template<bool Do>
   void do_castling(Color us, Square from, Square& to, Square& rfrom, Square& rto);
 
+#if defined(EVAL_NNUE)
   // <20>Տ<EFBFBD><D58F><EFBFBD>sq<73>̏<EFBFBD><CC8F>ɂ<EFBFBD><C982><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>PieceNumber<65><72><EFBFBD>Ԃ<EFBFBD><D482>B
   PieceNumber piece_no_of(Square sq) const;
+#endif  // defined(EVAL_NNUE)
 
   // Data members
   Piece board[SQUARE_NB];
@@ -216,8 +222,10 @@ private:
   StateInfo* st;
   bool chess960;
 
+#if defined(EVAL_NNUE)
   // <20>]<5D><><EFBFBD>֐<EFBFBD><D690>ŗp<C597><70><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̃<EFBFBD><CC83>X<EFBFBD>g
   Eval::EvalList evalList;
+#endif  // defined(EVAL_NNUE)
 };
 
 namespace PSQT {