Equations for edges and corners.

[stockfish] / src / types.h

diff --git a/src/types.h b/src/types.h
index 58d05d2c6d8486ee8ba760d6760fe8040837470d..71893c0ffd644acef9d5611b7591e40f57b1de95 100644 (file)
--- a/src/types.h
+++ b/src/types.h
@@ -358,16 +358,16 @@ 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 Piece operator~(Piece pc) {
-  return Piece(pc ^ 8); // Swap color of piece B_KNIGHT -> W_KNIGHT
+constexpr Square flip_file(Square s) {
+  return Square(s ^ SQ_H1);
 }
 
-inline File map_to_queenside(File f) {
-  return std::min(f, File(FILE_H - f)); // Map files ABCDEFGH to files ABCDDCBA
+constexpr Piece operator~(Piece pc) {
+  return Piece(pc ^ 8); // Swap color of piece B_KNIGHT -> W_KNIGHT
 }
 
 constexpr CastlingRights operator&(Color c, CastlingRights cr) {