/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
- Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
- Copyright (C) 2015-2018 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
+ Copyright (C) 2004-2022 The Stockfish developers (see AUTHORS file)
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#ifndef EVALUATE_H_INCLUDED
#define EVALUATE_H_INCLUDED
-#include <atomic>
#include <string>
+#include <optional>
#include "types.h"
+namespace Stockfish {
+
class Position;
namespace Eval {
-constexpr Value Tempo = Value(20); // Must be visible to search
+ std::string trace(Position& pos);
+ Value evaluate(const Position& pos, int* complexity = nullptr);
+
+ 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-ad9b42354671.nnue"
+
+ namespace NNUE {
+
+ std::string trace(Position& pos);
+ Value evaluate(const Position& pos, bool adjusted = false, int* complexity = nullptr);
+
+ void init();
+ void verify();
+
+ bool load_eval(std::string name, std::istream& stream);
+ bool save_eval(std::ostream& stream);
+ bool save_eval(const std::optional<std::string>& filename);
-extern std::atomic<Score> Contempt;
+ } // namespace NNUE
-std::string trace(const Position& pos);
+} // namespace Eval
-Value evaluate(const Position& pos);
-}
+} // namespace Stockfish
#endif // #ifndef EVALUATE_H_INCLUDED