#include <climits>
#include <cstdint>
#include <cstdlib>
+#include <algorithm>
#if defined(_MSC_VER)
// Disable some silly and noisy warning from MSVC compiler
return Square(s ^ SQ_A8); // Vertical flip SQ_A1 -> SQ_A8
}
-constexpr File operator~(File f) {
- return File(f ^ FILE_H); // Horizontal flip FILE_A -> FILE_H
-}
-
constexpr Piece operator~(Piece pc) {
return Piece(pc ^ 8); // Swap color of piece B_KNIGHT -> W_KNIGHT
}
+inline File map_to_queenside(File f) {
+ return std::min(f, File(FILE_H - f)); // Map files ABCDEFGH to files ABCDDCBA
+}
+
constexpr CastlingRights operator&(Color c, CastlingRights cr) {
return CastlingRights((c == WHITE ? WHITE_CASTLING : BLACK_CASTLING) & cr);
}