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Small touches in position.h

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No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2011-10-03 09:23:04 +01:00
parent 80dd90f972
commit 1a8e3f0b2e
5 changed files with 26 additions and 28 deletions
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17
src/position.h
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@@ -283,7 +283,7 @@ inline Piece Position::piece_on(Square s) const {
}
inline bool Position::square_is_empty(Square s) const {
return piece_on(s) == PIECE_NONE;
return board[s] == PIECE_NONE;
}
inline Color Position::side_to_move() const {
@@ -295,7 +295,7 @@ inline Bitboard Position::occupied_squares() const {
}
inline Bitboard Position::empty_squares() const {
return ~occupied_squares();
return ~byTypeBB[0];
}
inline Bitboard Position::pieces(Color c) const {
@@ -376,7 +376,7 @@ inline Bitboard Position::checkers() const {
}
inline bool Position::in_check() const {
return st->checkersBB != EmptyBoardBB;
return st->checkersBB != 0;
}
inline bool Position::pawn_is_passed(Color c, Square s) const {
@@ -417,9 +417,8 @@ inline Value Position::non_pawn_material(Color c) const {
inline bool Position::move_is_passed_pawn_push(Move m) const {
Color c = side_to_move();
return piece_on(move_from(m)) == make_piece(c, PAWN)
&& pawn_is_passed(c, move_to(m));
return board[move_from(m)] == make_piece(sideToMove, PAWN)
&& pawn_is_passed(sideToMove, move_to(m));
}
inline int Position::startpos_ply_counter() const {
@@ -428,9 +427,9 @@ inline int Position::startpos_ply_counter() const {
inline bool Position::opposite_colored_bishops() const {
return piece_count(WHITE, BISHOP) == 1
&& piece_count(BLACK, BISHOP) == 1
&& opposite_color_squares(piece_list(WHITE, BISHOP)[0], piece_list(BLACK, BISHOP)[0]);
return pieceCount[WHITE][BISHOP] == 1
&& pieceCount[BLACK][BISHOP] == 1
&& opposite_colors(pieceList[WHITE][BISHOP][0], pieceList[BLACK][BISHOP][0]);
}
inline bool Position::has_pawn_on_7th(Color c) const {