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Retire some unused functions in bitboard.h

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No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2011-01-19 10:53:47 +01:00
parent a38b14bd33
commit 45acec1865
2 changed files with 10 additions and 50 deletions
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6
src/evaluate.cpp
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@@ -569,7 +569,7 @@ namespace {
// problem, especially when that pawn is also blocked.
if (s == relative_square(Us, SQ_A1) || s == relative_square(Us, SQ_H1))
{
SquareDelta d = pawn_push(Us)
SquareDelta d = pawn_push(Us)
+ (square_file(s) == FILE_A ? DELTA_E : DELTA_W);
if (pos.piece_on(s + d) == piece_of_color_and_type(Us, PAWN))
{
@@ -840,8 +840,8 @@ namespace {
// If there is an enemy rook or queen attacking the pawn from behind,
// add all X-ray attacks by the rook or queen. Otherwise consider only
// the squares in the pawn's path attacked or occupied by the enemy.
if ( (squares_behind(Us, s) & pos.pieces(ROOK, QUEEN, Them))
&& (squares_behind(Us, s) & pos.pieces(ROOK, QUEEN, Them) & pos.attacks_from<ROOK>(s)))
if ( (squares_in_front_of(Them, s) & pos.pieces(ROOK, QUEEN, Them))
&& (squares_in_front_of(Them, s) & pos.pieces(ROOK, QUEEN, Them) & pos.attacks_from<ROOK>(s)))
unsafeSquares = squaresToQueen;
else
unsafeSquares = squaresToQueen & (ei.attackedBy[Them][0] | pos.pieces_of_color(Them));