Introduce simple_eval() for lazy evaluations

[stockfish] / src / evaluate.h

diff --git a/src/evaluate.h b/src/evaluate.h
index 36d3b2b282d0db68fac6e50bb33d9ee5e5d620c7..7f4feedf0c6be62ecad204587d6b49f56e41f35e 100644 (file)
--- a/src/evaluate.h
+++ b/src/evaluate.h
@@ -1,6 +1,6 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
-  Copyright (C) 2004-2022 The Stockfish developers (see AUTHORS file)
+  Copyright (C) 2004-2023 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
@@ -20,39 +20,33 @@
 #define EVALUATE_H_INCLUDED
 
 #include <string>
-#include <optional>
 
 #include "types.h"
 
 namespace Stockfish {
 
 class Position;
+enum Value : int;
 
 namespace Eval {
 
   std::string trace(Position& pos);
-  Value evaluate(const Position& pos, int* complexity = nullptr);
 
-  extern bool useNNUE;
+  Value simple_eval(const Position& pos, Color c);
+  Value evaluate(const Position& pos);
+
   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-3c0054ea9860.nnue"
+  #define EvalFileDefaultName   "nn-c38c3d8d3920.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);
-
   } // namespace NNUE
 
 } // namespace Eval