Use operator~ to flip colors and squares

[stockfish] / src / types.h

diff --git a/src/types.h b/src/types.h
index 0915d685ada89f872d8c91b2871a939384c442ba..0d2cdd3bc8cd20d4479b2cf2d5c6ba5ab0217d2e 100644 (file)
--- a/src/types.h
+++ b/src/types.h
@@ -334,6 +334,14 @@ extern const Value PieceValueMidgame[17];
 extern const Value PieceValueEndgame[17];
 extern int SquareDistance[64][64];
 
+inline Color operator~(Color c) {
+  return Color(c ^ 1);
+}
+
+inline Square operator~(Square s) {
+  return Square(s ^ 56);
+}
+
 inline Value mate_in(int ply) {
   return VALUE_MATE - ply;
 }
@@ -354,10 +362,6 @@ inline Color color_of(Piece p) {
   return Color(p >> 3);
 }
 
-inline Color flip(Color c) {
-  return Color(c ^ 1);
-}
-
 inline Square make_square(File f, Rank r) {
   return Square((r << 3) | f);
 }
@@ -374,10 +378,6 @@ inline Rank rank_of(Square s) {
   return Rank(s >> 3);
 }
 
-inline Square flip(Square s) {
-  return Square(s ^ 56);
-}
-
 inline Square mirror(Square s) {
   return Square(s ^ 7);
 }