Update copyright info

[stockfish] / src / bitboard.h

diff --git a/src/bitboard.h b/src/bitboard.h
index d9a9bf5dfd219c73240658b27dfc84056b7cf2ed..8c6a7007e7263b069ebea469ac687c0e327d7fc6 100644 (file)
--- a/src/bitboard.h
+++ b/src/bitboard.h
@@ -1,13 +1,14 @@
 /*
-  Glaurung, a UCI chess playing engine.
-  Copyright (C) 2004-2008 Tord Romstad
+  Stockfish, a UCI chess playing engine derived from Glaurung 2.1
+  Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
+  Copyright (C) 2008 Marco Costalba
 
-  Glaurung is free software: you can redistribute it and/or modify
+  Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
   
-  Glaurung is distributed in the hope that it will be useful,
+  Stockfish is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
@@ -25,6 +26,18 @@
 //// Defines
 ////
 
+// Comment following define if you prefer manually adjust
+// platform macros defined below
+#define AUTO_CONFIGURATION
+
+
+// Check for 64 bits for different compilers: Intel, MSVC and gcc
+#if defined(__x86_64) || defined(_WIN64) || (__SIZEOF_INT__ > 4)
+#define IS_64BIT
+#endif
+
+#if !defined(AUTO_CONFIGURATION) || defined(IS_64BIT)
+
 //#define USE_COMPACT_ROOK_ATTACKS
 //#define USE_32BIT_ATTACKS 
 #define USE_FOLDED_BITSCAN
@@ -33,7 +46,13 @@
 //#define BITCOUNT_SWAR_32
 //#define BITCOUNT_LOOP
 
+#else
+
+#define USE_32BIT_ATTACKS 
+#define USE_FOLDED_BITSCAN
+#define BITCOUNT_SWAR_32
 
+#endif
 
 ////
 //// Includes