/*
  ShashChess, a UCI chess playing engine derived from Stockfish
  Copyright (C) 2004-2021 The Stockfish developers (see AUTHORS file)
  ShashChess is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
  ShashChess is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef EVALUATE_H_INCLUDED
#define EVALUATE_H_INCLUDED
#include <string>
#include <optional>
#include "types.h"
namespace Stockfish {
class Position;
namespace Eval {
  std::string trace(Position& pos);
  Value evaluate(const Position& pos);
  extern bool useNNUE;
  extern std::string currentEvalFileName;
  // The default net name MUST follow the format nn-[SHA256 first 12 digits].nnue
  // for the build process (profile-build and fishtest) to work. Do not change the
  // name of the macro, as it is used in the Makefile.
  #define EvalFileDefaultName   "nn-3678835b1d3d.nnue"
  namespace NNUE {
    std::string trace(Position& pos);
    Value evaluate(const Position& pos, bool adjusted = false);
    void init();
    void verify();
    bool load_eval(std::string name, std::istream& stream);
    bool save_eval(std:
stream& stream);
    bool save_eval(const std:
ptional<std::string>& filename);
  } // namespace NNUE
} // namespace Eval
} // namespace Stockfish
#endif // #ifndef EVALUATE_H_INCLUDED

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