X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftypes.h;h=a7415519f85a877d601af5b02665a15e1699aebd;hp=3b5afecf335f55d2aeb54c43bfc71532a3919fb6;hb=badb2aca44d6507f35dafc8b5c3921a6649a40f8;hpb=cf5d683408a2ef8a1c80be9bf7d6790a38b16277

diff --git a/src/types.h b/src/types.h
index 3b5afecf..a7415519 100644
--- a/src/types.h
+++ b/src/types.h
@@ -141,7 +141,11 @@ enum CastlingRight {
   WHITE_OOO = WHITE_OO << 1,
   BLACK_OO  = WHITE_OO << 2,
   BLACK_OOO = WHITE_OO << 3,
-  ANY_CASTLING = WHITE_OO | WHITE_OOO | BLACK_OO | BLACK_OOO,
+
+  WHITE_CASTLING = WHITE_OO | WHITE_OOO,
+  BLACK_CASTLING = BLACK_OO | BLACK_OOO,
+  ANY_CASTLING   = WHITE_CASTLING | BLACK_CASTLING,
+
   CASTLING_RIGHT_NB = 16
 };
 
@@ -413,11 +417,6 @@ constexpr Rank relative_rank(Color c, Square s) {
   return relative_rank(c, rank_of(s));
 }
 
-inline bool opposite_colors(Square s1, Square s2) {
-  int s = int(s1) ^ int(s2);
-  return ((s >> 3) ^ s) & 1;
-}
-
 constexpr Direction pawn_push(Color c) {
   return c == WHITE ? NORTH : SOUTH;
 }