X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fuci.h;h=7ca97d5c6bc455c3dd5129672f278bc3f40ba7d2;hb=3c0e86a91e48baea273306e45fb6cf13a59373cf;hp=edcfcadece5fb1c0afcd66fa85d08263722925d2;hpb=c4d67d77c99b99c9ac387ab622773a320f8d5cc3;p=stockfish

diff --git a/src/uci.h b/src/uci.h
index edcfcade..7ca97d5c 100644
--- a/src/uci.h
+++ b/src/uci.h
@@ -1,6 +1,6 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
-  Copyright (C) 2004-2021 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
@@ -19,29 +19,40 @@
 #ifndef UCI_H_INCLUDED
 #define UCI_H_INCLUDED
 
+#include <cstddef>
+#include <iosfwd>
 #include <map>
 #include <string>
 
 #include "types.h"
 
+namespace Stockfish {
+
 class Position;
 
 namespace UCI {
 
+// Normalizes the internal value as reported by evaluate or search
+// to the UCI centipawn result used in output. This value is derived from
+// the win_rate_model() such that Stockfish outputs an advantage of
+// "100 centipawns" for a position if the engine has a 50% probability to win
+// from this position in selfplay at fishtest LTC time control.
+const int NormalizeToPawnValue = 328;
+
 class Option;
 
-/// Custom comparator because UCI options should be case insensitive
+/// Define a custom comparator, because the UCI options should be case-insensitive
 struct CaseInsensitiveLess {
   bool operator() (const std::string&, const std::string&) const;
 };
 
-/// Our options container is actually a std::map
-typedef std::map<std::string, Option, CaseInsensitiveLess> OptionsMap;
+/// The options container is defined as a std::map
+using OptionsMap = std::map<std::string, Option, CaseInsensitiveLess>;
 
-/// Option class implements an option as defined by UCI protocol
+/// The Option class implements each option as specified by the UCI protocol
 class Option {
 
-  typedef void (*OnChange)(const Option&);
+  using OnChange = void (*)(const Option&);
 
 public:
   Option(OnChange = nullptr);
@@ -52,7 +63,7 @@ public:
 
   Option& operator=(const std::string&);
   void operator<<(const Option&);
-  operator double() const;
+  operator int() const;
   operator std::string() const;
   bool operator==(const char*) const;
 
@@ -67,10 +78,11 @@ private:
 
 void init(OptionsMap&);
 void loop(int argc, char* argv[]);
+int to_cp(Value v);
 std::string value(Value v);
 std::string square(Square s);
 std::string move(Move m, bool chess960);
-std::string pv(const Position& pos, Depth depth, Value alpha, Value beta);
+std::string pv(const Position& pos, Depth depth);
 std::string wdl(Value v, int ply);
 Move to_move(const Position& pos, std::string& str);
 
@@ -78,4 +90,6 @@ Move to_move(const Position& pos, std::string& str);
 
 extern UCI::OptionsMap Options;
 
+} // namespace Stockfish
+
 #endif // #ifndef UCI_H_INCLUDED