-FORCE_INLINE unsigned rook_index(Square s, Bitboard occ) {
- return unsigned(((occ & RMasks[s]) * RMagics[s]) >> RShifts[s]);
-}
-
-FORCE_INLINE unsigned bishop_index(Square s, Bitboard occ) {
- return unsigned(((occ & BMasks[s]) * BMagics[s]) >> BShifts[s]);
-}
-
-#else // if !defined(IS_64BIT)
-
-FORCE_INLINE unsigned rook_index(Square s, Bitboard occ) {
- Bitboard b = occ & RMasks[s];
- return unsigned(int(b) * int(RMagics[s]) ^ int(b >> 32) * int(RMagics[s] >> 32)) >> RShifts[s];
-}