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Remove redundant condition in is_dangerous()

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A pawn on 7th is always passed so retire
this redundant condition.

No funtional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2012-07-13 10:54:24 +02:00
parent 6becc81446
commit 6e5a334c95
1 changed files with 4 additions and 8 deletions
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12
src/search.cpp
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@ -171,14 +171,10 @@ namespace {
// 'dangerous' moves so that we avoid to prune it.
FORCE_INLINE bool is_dangerous(const Position& pos, Move m, bool captureOrPromotion) {
// Test for a pawn pushed to 7th or a passed pawn move
if (type_of(pos.piece_moved(m)) == PAWN)
{
Color c = pos.side_to_move();
if ( relative_rank(c, to_sq(m)) == RANK_7
|| pos.pawn_is_passed(c, to_sq(m)))
return true;
}
// Test for a passed pawn move
if ( type_of(pos.piece_moved(m)) == PAWN
&& pos.pawn_is_passed(pos.side_to_move(), to_sq(m)))
return true;
// Test for a capture that triggers a pawn endgame
if ( captureOrPromotion