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Simplify a condition in refutes()

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No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Reuven Peleg
2013-07-15 16:14:30 +03:00
committed by Marco Costalba
parent 9518cc3254
commit a6c5f60caa
1 changed files with 1 additions and 1 deletions
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src/search.cpp
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@@ -1454,7 +1454,7 @@ moves_loop: // When in check and at SpNode search starts from here
| (attacks_bb<BISHOP>(m2to, occ) & pos.pieces(color_of(pc), QUEEN, BISHOP)); | (attacks_bb<BISHOP>(m2to, occ) & pos.pieces(color_of(pc), QUEEN, BISHOP));
// Verify attackers are triggered by our move and not already existing // Verify attackers are triggered by our move and not already existing
if (xray && (xray ^ (xray & pos.attacks_from<QUEEN>(m2to)))) if (xray && (xray & ~pos.attacks_from<QUEEN>(m2to))) // Unlikely xray
return true; return true;
} }