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Code Issues Releases Wiki Activity

Retire redundant square_is_occupied()

Browse source 
No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2011-06-28 15:29:58 +02:00
parent 8094b2add8
commit 01a191936e
3 changed files with 5 additions and 10 deletions
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4
src/movegen.cpp
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@ -517,12 +517,12 @@ namespace {
// It is a bit complicated to correctly handle Chess960
for (s = Min(ksq, s1); s <= Max(ksq, s1); s++)
if ( (s != ksq && s != rsq && pos.square_is_occupied(s))
if ( (s != ksq && s != rsq && !pos.square_is_empty(s))
||(pos.attackers_to(s) & pos.pieces_of_color(them)))
illegal = true;
for (s = Min(rsq, s2); s <= Max(rsq, s2); s++)
if (s != ksq && s != rsq && pos.square_is_occupied(s))
if (s != ksq && s != rsq && !pos.square_is_empty(s))
illegal = true;
if ( Side == QUEEN_SIDE

6
src/position.cpp
View file

@ -282,7 +282,7 @@ const string Position::to_fen() const {
{
sq = make_square(file, rank);
if (square_is_occupied(sq))
if (!square_is_empty(sq))
{
if (emptyCnt != '0')
{
@ -475,7 +475,7 @@ bool Position::move_attacks_square(Move m, Square s) const {
Bitboard occ, xray;
Square f = move_from(m), t = move_to(m);
assert(square_is_occupied(f));
assert(!square_is_empty(f));
if (bit_is_set(attacks_from(piece_on(f), t), s))
return true;
@ -1606,7 +1606,7 @@ Key Position::compute_key() const {
Key result = zobCastle[st->castleRights];
for (Square s = SQ_A1; s <= SQ_H8; s++)
if (square_is_occupied(s))
if (!square_is_empty(s))
result ^= zobrist[piece_color(piece_on(s))][piece_type(piece_on(s))][s];
if (ep_square() != SQ_NONE)

5
src/position.h
View file

@ -130,7 +130,6 @@ public:
// The piece on a given square
Piece piece_on(Square s) const;
bool square_is_empty(Square s) const;
bool square_is_occupied(Square s) const;
// Side to move
Color side_to_move() const;
@ -322,10 +321,6 @@ inline bool Position::square_is_empty(Square s) const {
return piece_on(s) == PIECE_NONE;
}
inline bool Position::square_is_occupied(Square s) const {
return !square_is_empty(s);
}
inline Color Position::side_to_move() const {
return sideToMove;
}