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Retire ThisAndAdjacentFilesBB[]

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It is unused. Also renamed attack_span_mask to
pawn_attack_span

No functional change.
This commit is contained in:
Marco Costalba
2013-06-23 10:03:48 +02:00
parent 378bcfe760
commit b2fadf32aa
4 changed files with 12 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
src/bitboard.h
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@@ -53,14 +53,13 @@ extern Bitboard SquareBB[SQUARE_NB];
extern Bitboard FileBB[FILE_NB];
extern Bitboard RankBB[RANK_NB];
extern Bitboard AdjacentFilesBB[FILE_NB];
extern Bitboard ThisAndAdjacentFilesBB[FILE_NB];
extern Bitboard InFrontBB[COLOR_NB][RANK_NB];
extern Bitboard StepAttacksBB[PIECE_NB][SQUARE_NB];
extern Bitboard BetweenBB[SQUARE_NB][SQUARE_NB];
extern Bitboard DistanceRingsBB[SQUARE_NB][8];
extern Bitboard ForwardBB[COLOR_NB][SQUARE_NB];
extern Bitboard PassedPawnMask[COLOR_NB][SQUARE_NB];
extern Bitboard AttackSpanMask[COLOR_NB][SQUARE_NB];
extern Bitboard PawnAttackSpan[COLOR_NB][SQUARE_NB];
extern Bitboard PseudoAttacks[PIECE_TYPE_NB][SQUARE_NB];
const Bitboard BlackSquares = 0xAA55AA55AA55AA55ULL;
@@ -136,14 +135,6 @@ inline Bitboard adjacent_files_bb(File f) {
}
/// this_and_adjacent_files_bb takes a file as input and returns a bitboard
/// representing all squares on the given and adjacent files.
inline Bitboard this_and_adjacent_files_bb(File f) {
return ThisAndAdjacentFilesBB[f];
}
/// 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
/// (or square), from the given color's point of view. For instance,
@@ -194,8 +185,8 @@ inline Bitboard passed_pawn_mask(Color c, Square s) {
/// when it moves along its file starting from the given square. Definition is:
/// AttackSpanMask[c][s] = in_front_bb(c, s) & adjacent_files_bb(s);
inline Bitboard attack_span_mask(Color c, Square s) {
return AttackSpanMask[c][s];
inline Bitboard pawn_attack_span(Color c, Square s) {
return PawnAttackSpan[c][s];
}