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Tidy up

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No functional change

Closes #1148
This commit is contained in:
Alain SAVARD
2017-06-23 00:03:58 -04:00
committed by Joona Kiiski
parent 69eb391cd7
commit 6d24ef8585
5 changed files with 53 additions and 52 deletions
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24
src/bitboard.h
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@@ -65,11 +65,11 @@ extern Bitboard SquareBB[SQUARE_NB];
extern Bitboard FileBB[FILE_NB];
extern Bitboard RankBB[RANK_NB];
extern Bitboard AdjacentFilesBB[FILE_NB];
extern Bitboard InFrontBB[COLOR_NB][RANK_NB];
extern Bitboard ForwardRanksBB[COLOR_NB][RANK_NB];
extern Bitboard BetweenBB[SQUARE_NB][SQUARE_NB];
extern Bitboard LineBB[SQUARE_NB][SQUARE_NB];
extern Bitboard DistanceRingBB[SQUARE_NB][8];
extern Bitboard ForwardBB[COLOR_NB][SQUARE_NB];
extern Bitboard ForwardFileBB[COLOR_NB][SQUARE_NB];
extern Bitboard PassedPawnMask[COLOR_NB][SQUARE_NB];
extern Bitboard PawnAttackSpan[COLOR_NB][SQUARE_NB];
extern Bitboard PseudoAttacks[PIECE_TYPE_NB][SQUARE_NB];
@@ -179,28 +179,28 @@ inline Bitboard between_bb(Square s1, Square s2) {
}
/// in_front_bb() returns a bitboard representing all the squares on all the ranks
/// forward_ranks_bb() returns a bitboard representing all the squares on all the ranks
/// in front of the given one, from the point of view of the given color. For
/// instance, in_front_bb(BLACK, RANK_3) will return the squares on ranks 1 and 2.
/// instance, forward_ranks_bb(BLACK, SQ_D3) will return the 16 squares on ranks 1 and 2.
inline Bitboard in_front_bb(Color c, Rank r) {
return InFrontBB[c][r];
inline Bitboard forward_ranks_bb(Color c, Square s) {
return ForwardRanksBB[c][rank_of(s)];
}
/// forward_bb() returns a bitboard representing all the squares along the line
/// forward_file_bb() returns a bitboard representing all the squares along the line
/// in front of the given one, from the point of view of the given color:
/// ForwardBB[c][s] = in_front_bb(c, rank_of(s)) & file_bb(s)
/// ForwardFileBB[c][s] = forward_ranks_bb(c, s) & file_bb(s)
inline Bitboard forward_bb(Color c, Square s) {
return ForwardBB[c][s];
inline Bitboard forward_file_bb(Color c, Square s) {
return ForwardFileBB[c][s];
}
/// pawn_attack_span() returns a bitboard representing all the squares that can be
/// attacked by a pawn of the given color when it moves along its file, starting
/// from the given square:
/// PawnAttackSpan[c][s] = in_front_bb(c, rank_of(s)) & adjacent_files_bb(file_of(s));
/// PawnAttackSpan[c][s] = forward_ranks_bb(c, s) & adjacent_files_bb(file_of(s));
inline Bitboard pawn_attack_span(Color c, Square s) {
return PawnAttackSpan[c][s];
@@ -209,7 +209,7 @@ inline Bitboard pawn_attack_span(Color c, Square s) {
/// passed_pawn_mask() returns a bitboard mask which can be used to test if a
/// pawn of the given color and on the given square is a passed pawn:
/// PassedPawnMask[c][s] = pawn_attack_span(c, s) | forward_bb(c, s)
/// PassedPawnMask[c][s] = pawn_attack_span(c, s) | forward_file_bb(c, s)
inline Bitboard passed_pawn_mask(Color c, Square s) {
return PassedPawnMask[c][s];