X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fbitboard.h;h=8366827804dea8a87afa2aaae09aa73ffb9ea79a;hb=939b621e5c67e9ef89b409fd773d38058341906c;hp=09c005979b2bf4e58c836673759a4b82152bef44;hpb=22b9307aba0f78aa92abcf85e807af8b64011c7a;p=stockfish diff --git a/src/bitboard.h b/src/bitboard.h index 09c00597..83668278 100644 --- a/src/bitboard.h +++ b/src/bitboard.h @@ -23,26 +23,6 @@ #include "types.h" -const Bitboard EmptyBoardBB = 0; - -const Bitboard FileABB = 0x0101010101010101ULL; -const Bitboard FileBBB = FileABB << 1; -const Bitboard FileCBB = FileABB << 2; -const Bitboard FileDBB = FileABB << 3; -const Bitboard FileEBB = FileABB << 4; -const Bitboard FileFBB = FileABB << 5; -const Bitboard FileGBB = FileABB << 6; -const Bitboard FileHBB = FileABB << 7; - -const Bitboard Rank1BB = 0xFF; -const Bitboard Rank2BB = Rank1BB << (8 * 1); -const Bitboard Rank3BB = Rank1BB << (8 * 2); -const Bitboard Rank4BB = Rank1BB << (8 * 3); -const Bitboard Rank5BB = Rank1BB << (8 * 4); -const Bitboard Rank6BB = Rank1BB << (8 * 5); -const Bitboard Rank7BB = Rank1BB << (8 * 6); -const Bitboard Rank8BB = Rank1BB << (8 * 7); - extern Bitboard SquaresByColorBB[2]; extern Bitboard FileBB[8]; extern Bitboard NeighboringFilesBB[8]; @@ -125,29 +105,21 @@ inline Bitboard file_bb(Square s) { } -/// neighboring_files_bb takes a file or a square as input and returns a -/// bitboard representing all squares on the neighboring files. +/// neighboring_files_bb takes a file as input and returns a bitboard representing +/// all squares on the neighboring files. inline Bitboard neighboring_files_bb(File f) { return NeighboringFilesBB[f]; } -inline Bitboard neighboring_files_bb(Square s) { - return NeighboringFilesBB[file_of(s)]; -} - -/// this_and_neighboring_files_bb takes a file or a square as input and returns -/// a bitboard representing all squares on the given and neighboring files. +/// this_and_neighboring_files_bb takes a file as input and returns a bitboard +/// representing all squares on the given and neighboring files. inline Bitboard this_and_neighboring_files_bb(File f) { return ThisAndNeighboringFilesBB[f]; } -inline Bitboard this_and_neighboring_files_bb(Square s) { - return ThisAndNeighboringFilesBB[file_of(s)]; -} - /// in_front_bb() takes a color and a rank or square as input, and returns a /// bitboard representing all the squares on all ranks in front of the rank @@ -291,6 +263,6 @@ extern Square pop_1st_bit(Bitboard* b); extern void print_bitboard(Bitboard b); -extern void init_bitboards(); +extern void bitboards_init(); #endif // !defined(BITBOARD_H_INCLUDED)