Use equations for PushAway and PushClose

[stockfish] / src / types.h

diff --git a/src/types.h b/src/types.h
index 58d05d2c6d8486ee8ba760d6760fe8040837470d..d4937fd65cd6b7c1425156a8ea853ad068aa0472 100644 (file)
--- a/src/types.h
+++ b/src/types.h
@@ -358,8 +358,12 @@ constexpr Color operator~(Color c) {
   return Color(c ^ BLACK); // Toggle color
 }
 
-constexpr Square operator~(Square s) {
-  return Square(s ^ SQ_A8); // Vertical flip SQ_A1 -> SQ_A8
+constexpr Square flip_rank(Square s) {
+  return Square(s ^ SQ_A8);
+}
+
+constexpr Square flip_file(Square s) {
+  return Square(s ^ SQ_H1);
 }
 
 constexpr Piece operator~(Piece pc) {