Add NNUE evaluation

[stockfish] / src / evaluate.h

diff --git a/src/evaluate.h b/src/evaluate.h
index 7c8a2a6f77ee3c2cf4a3c1a7d714529adf130430..e808068da2f4cf5b4e6acd8dd81eb5e6dbb4d1d5 100644 (file)
--- a/src/evaluate.h
+++ b/src/evaluate.h
@@ -1,8 +1,6 @@
 /*
   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) 2015-2020 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
+  Copyright (C) 2004-2020 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
@@ -29,9 +27,23 @@ class Position;
 
 namespace Eval {
 
-std::string trace(const Position& pos);
+  std::string trace(const Position& pos);
+  Value evaluate(const Position& pos);
 
-Value evaluate(const Position& pos);
-}
+  extern bool useNNUE;
+  extern std::string eval_file_loaded;
+  void init_NNUE();
+  void verify_NNUE();
+
+  namespace NNUE {
+
+    Value evaluate(const Position& pos);
+    Value compute_eval(const Position& pos);
+    void  update_eval(const Position& pos);
+    bool  load_eval_file(const std::string& evalFile);
+
+  } // namespace NNUE
+
+} // namespace Eval
 
 #endif // #ifndef EVALUATE_H_INCLUDED