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Rename square_empty() to is_empty()

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No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2012-04-28 10:49:52 +01:00
parent e8d89ca5b0
commit 456f37b8ab
3 changed files with 17 additions and 17 deletions
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22
src/position.cpp
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@@ -270,7 +270,7 @@ const string Position::to_fen() const {
{
sq = make_square(file, rank);
if (square_empty(sq))
if (is_empty(sq))
emptyCnt++;
else
{
@@ -421,7 +421,7 @@ bool Position::move_attacks_square(Move m, Square s) const {
Square to = to_sq(m);
Piece piece = piece_moved(m);
assert(!square_empty(from));
assert(!is_empty(from));
// Update occupancy as if the piece is moving
occ = pieces() ^ from ^ to;
@@ -563,7 +563,7 @@ bool Position::is_pseudo_legal(const Move m) const {
case DELTA_N:
case DELTA_S:
// Pawn push. The destination square must be empty.
if (!square_empty(to))
if (!is_empty(to))
return false;
break;
@@ -571,9 +571,9 @@ bool Position::is_pseudo_legal(const Move m) const {
// Double white pawn push. The destination square must be on the fourth
// rank, and both the destination square and the square between the
// source and destination squares must be empty.
if ( rank_of(to) != RANK_4
|| !square_empty(to)
|| !square_empty(from + DELTA_N))
if ( rank_of(to) != RANK_4
|| !is_empty(to)
|| !is_empty(from + DELTA_N))
return false;
break;
@@ -581,9 +581,9 @@ bool Position::is_pseudo_legal(const Move m) const {
// Double black pawn push. The destination square must be on the fifth
// rank, and both the destination square and the square between the
// source and destination squares must be empty.
if ( rank_of(to) != RANK_5
|| !square_empty(to)
|| !square_empty(from + DELTA_S))
if ( rank_of(to) != RANK_5
|| !is_empty(to)
|| !is_empty(from + DELTA_S))
return false;
break;
@@ -956,7 +956,7 @@ void Position::undo_move(Move m) {
PieceType pt = type_of(piece);
PieceType capture = st->capturedType;
assert(square_empty(from));
assert(is_empty(from));
assert(color_of(piece) == us);
assert(capture != KING);
@@ -1527,7 +1527,7 @@ void Position::flip() {
startPosPly = pos.startpos_ply_counter();
for (Square s = SQ_A1; s <= SQ_H8; s++)
if (!pos.square_empty(s))
if (!pos.is_empty(s))
put_piece(Piece(pos.piece_on(s) ^ 8), ~s);
if (pos.can_castle(WHITE_OO))