X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbitboard.h;h=e8db3acb43c3a6ce55f55909abc27af804de446d;hp=e95bf0d275996f0965efb36617c840408821d6f3;hb=1574428f64d0368b943e6275c509e02af2047e7e;hpb=1d18647e738951a7e94530fef231f4b4e13b1786 diff --git a/src/bitboard.h b/src/bitboard.h index e95bf0d2..e8db3acb 100644 --- a/src/bitboard.h +++ b/src/bitboard.h @@ -1,7 +1,7 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) - Copyright (C) 2008-2013 Marco Costalba, Joona Kiiski, Tord Romstad + Copyright (C) 2008-2014 Marco Costalba, Joona Kiiski, Tord Romstad Stockfish is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -26,7 +26,7 @@ namespace Bitboards { void init(); -void print(Bitboard b); +const std::string pretty(Bitboard b); } @@ -254,9 +254,19 @@ inline Bitboard attacks_bb(Square s, Bitboard occ) { return (Pt == ROOK ? RAttacks : BAttacks)[s][magic_index(s, occ)]; } +inline Bitboard attacks_bb(Piece p, Square s, Bitboard occ) { -/// lsb()/msb() finds the least/most significant bit in a nonzero bitboard. -/// pop_lsb() finds and clears the least significant bit in a nonzero bitboard. + switch (type_of(p)) + { + case BISHOP: return attacks_bb(s, occ); + case ROOK : return attacks_bb(s, occ); + case QUEEN : return attacks_bb(s, occ) | attacks_bb(s, occ); + default : return StepAttacksBB[p][s]; + } +} + +/// lsb()/msb() finds the least/most significant bit in a non-zero bitboard. +/// pop_lsb() finds and clears the least significant bit in a non-zero bitboard. #ifdef USE_BSFQ