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Micro optimization in extension()

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Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2008-12-29 11:57:07 +01:00
parent 0da1d6a846
commit d99a95df29
1 changed files with 11 additions and 8 deletions
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19
src/search.cpp
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@ -2195,15 +2195,18 @@ namespace {
if (mateThreat)
result += MateThreatExtension[pvNode];
if (pos.move_is_pawn_push_to_7th(m))
if (pos.type_of_piece_on(move_from(m)) == PAWN)
{
result += PawnPushTo7thExtension[pvNode];
*dangerous = true;
}
if (pos.move_is_passed_pawn_push(m))
{
result += PassedPawnExtension[pvNode];
*dangerous = true;
if (pos.move_is_pawn_push_to_7th(m))
{
result += PawnPushTo7thExtension[pvNode];
*dangerous = true;
}
if (pos.move_is_passed_pawn_push(m))
{
result += PassedPawnExtension[pvNode];
*dangerous = true;
}
}
if ( pos.move_is_capture(m)