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Change color argument of square_is_weak()

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Pass the color for which the square is to be
considered weak, not the opposite.

It is more natural and intuitive in this way.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2010-05-14 11:53:33 +02:00
parent da1165ae5d
commit 6c27bf1880
2 changed files with 2 additions and 2 deletions
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2
src/evaluate.cpp
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@ -556,7 +556,7 @@ namespace {
ei.value -= Sign[Us] * ThreatedByPawnPenalty[Piece]; ei.value -= Sign[Us] * ThreatedByPawnPenalty[Piece];
// Bishop and knight outposts squares // Bishop and knight outposts squares
if ((Piece == BISHOP || Piece == KNIGHT) && pos.square_is_weak(s, Them)) if ((Piece == BISHOP || Piece == KNIGHT) && pos.square_is_weak(s, Us))
evaluate_outposts<Piece, Us>(pos, ei, s); evaluate_outposts<Piece, Us>(pos, ei, s);
// Special patterns: trapped bishops on a7/h7/a2/h2 // Special patterns: trapped bishops on a7/h7/a2/h2

2
src/position.h
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@ -483,7 +483,7 @@ inline bool Position::pawn_is_passed(Color c, Square s) const {
} }
inline bool Position::square_is_weak(Square s, Color c) const { inline bool Position::square_is_weak(Square s, Color c) const {
return !(pieces(PAWN, c) & outpost_mask(opposite_color(c), s)); return !(pieces(PAWN, opposite_color(c)) & outpost_mask(c, s));
} }
inline Key Position::get_key() const { inline Key Position::get_key() const {