#include <climits>
#include <cstdint>
#include <cstdlib>
+#include <algorithm>
#if defined(_MSC_VER)
// Disable some silly and noisy warning from MSVC compiler
return result;
}
+/// Multiplication of a Score by an boolean
+inline Score operator*(Score s, bool b) {
+ return Score(int(s) * int(b));
+}
+
constexpr Color operator~(Color c) {
return Color(c ^ BLACK); // Toggle color
}
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);
}
return Move((from << 6) + to);
}
+constexpr Move reverse_move(Move m) {
+ return make_move(to_sq(m), from_sq(m));
+}
+
template<MoveType T>
constexpr Move make(Square from, Square to, PieceType pt = KNIGHT) {
return Move(T + ((pt - KNIGHT) << 12) + (from << 6) + to);