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Rename occupied_squares() to pieces()

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Also some microoptimizations, were there from ages
but hidden: the renaming suddendly made them visible!

This is a good example of how better naming lets you write
better code. Naming is really a kind of black art!

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2012-03-18 11:10:12 +01:00
parent 55376219b7
commit fc3ea7365a
6 changed files with 26 additions and 26 deletions
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src/search.cpp
+2 -2
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@@ -1335,7 +1335,7 @@ split_point_start: // At split points actual search starts from here
kingAtt = pos.attacks_from<KING>(ksq);
pc = pos.piece_moved(move);
occ = pos.occupied_squares() & ~(1ULL << from) & ~(1ULL << ksq);
occ = pos.pieces() ^ from ^ ksq;
oldAtt = pos.attacks_from(pc, from, occ);
newAtt = pos.attacks_from(pc, to, occ);
@@ -1403,7 +1403,7 @@ split_point_start: // At split points actual search starts from here
ksq = pos.king_square(pos.side_to_move());
if ( piece_is_slider(p1)
&& (squares_between(t1, ksq) & f2)
&& (pos.attacks_from(p1, t1, pos.occupied_squares() ^ f2) & ksq))
&& (pos.attacks_from(p1, t1, pos.pieces() ^ f2) & ksq))
return true;
return false;