#if defined(IS_64BIT)
-FORCE_INLINE unsigned rook_index(Square s, Bitboard occ) {
+FORCE_INLINE unsigned r_index(Square s, Bitboard occ) {
return unsigned(((occ & RMasks[s]) * RMagics[s]) >> RShifts[s]);
}
-FORCE_INLINE unsigned bishop_index(Square s, Bitboard occ) {
+FORCE_INLINE unsigned b_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) {
+FORCE_INLINE unsigned r_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];
}
-FORCE_INLINE unsigned bishop_index(Square s, Bitboard occ) {
+FORCE_INLINE unsigned b_index(Square s, Bitboard occ) {
Bitboard b = occ & BMasks[s];
return unsigned(int(b) * int(BMagics[s]) ^ int(b >> 32) * int(BMagics[s] >> 32)) >> BShifts[s];
}
+
#endif
inline Bitboard rook_attacks_bb(Square s, Bitboard occ) {
- return RAttacks[s][rook_index(s, occ)];
+ return RAttacks[s][r_index(s, occ)];
}
inline Bitboard bishop_attacks_bb(Square s, Bitboard occ) {
- return BAttacks[s][bishop_index(s, occ)];
+ return BAttacks[s][b_index(s, occ)];
}