/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad
+ Copyright (C) 2008-2012 Marco Costalba, Joona Kiiski, Tord Romstad
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
using namespace std;
-/// Version number. If EngineVersion is left empty, then AppTag plus
-/// current date (in the format YYMMDD) is used as a version number.
-static const string AppName = "Stockfish";
-static const string EngineVersion = "";
-static const string AppTag = "";
+/// Version number. If Version is left empty, then Tag plus current
+/// date (in the format YYMMDD) is used as a version number.
+static const string Version = "";
+static const string Tag = "";
-/// engine_name() returns the full name of the current Stockfish version.
+
+/// engine_info() returns the full name of the current Stockfish version.
/// This will be either "Stockfish YYMMDD" (where YYMMDD is the date when
/// the program was compiled) or "Stockfish <version number>", depending
-/// on whether the constant EngineVersion is empty.
+/// on whether Version is empty.
-const string engine_name() {
+const string engine_info(bool to_uci) {
const string months("Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec");
- const string cpu64(CpuIs64Bit ? " 64bit" : "");
-
- if (!EngineVersion.empty())
- return AppName + " " + EngineVersion + cpu64;
+ const string cpu64(Is64Bit ? " 64bit" : "");
+ const string popcnt(HasPopCnt ? " SSE4.2" : "");
- stringstream s, date(__DATE__); // From compiler, format is "Sep 21 2008"
string month, day, year;
+ stringstream s, date(__DATE__); // From compiler, format is "Sep 21 2008"
- date >> month >> day >> year;
-
- s << setfill('0') << AppName + " " + AppTag + " "
- << year.substr(2, 2) << setw(2)
- << (1 + months.find(month) / 4) << setw(2)
- << day << cpu64;
-
- return s.str();
-}
-
+ if (Version.empty())
+ {
+ date >> month >> day >> year;
-/// Our brave developers! Required by UCI
+ s << "Stockfish " << Tag
+ << setfill('0') << " " << year.substr(2)
+ << setw(2) << (1 + months.find(month) / 4)
+ << setw(2) << day << cpu64 << popcnt;
+ }
+ else
+ s << "Stockfish " << Version << cpu64 << popcnt;
-const string engine_authors() {
+ s << (to_uci ? "\nid author ": " by ")
+ << "Tord Romstad, Marco Costalba and Joona Kiiski";
- return "Tord Romstad, Marco Costalba and Joona Kiiski";
+ return s.str();
}