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Small cleanup of unused code in sp_search

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futilityValue is now calculated immediately after
staticValue, so remove small bunch of unused code

No functional change

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Joona Kiiski 2010-01-17 15:05:28 +02:00 • committed by Marco Costalba
parent 1062459029
commit 72e1e9b986
1 changed files with 0 additions and 7 deletions
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7
src/search.cpp
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@ -1817,7 +1817,6 @@ namespace {
&& !isCheck; && !isCheck;
const int FutilityMoveCountMargin = 3 + (1 << (3 * int(sp->depth) / 8)); const int FutilityMoveCountMargin = 3 + (1 << (3 * int(sp->depth) / 8));
const int FutilityValueMargin = 112 * bitScanReverse32(int(sp->depth) * int(sp->depth) / 2);
while ( sp->bestValue < sp->beta while ( sp->bestValue < sp->beta
&& !thread_should_stop(threadID) && !thread_should_stop(threadID)
@ -1851,12 +1850,6 @@ namespace {
continue; continue;
// Value based pruning // Value based pruning
if (sp->futilityValue == VALUE_NONE)
{
EvalInfo ei;
sp->futilityValue = evaluate(pos, ei, threadID) + FutilityValueMargin;
}
Value futilityValueScaled = sp->futilityValue - moveCount * IncrementalFutilityMargin; Value futilityValueScaled = sp->futilityValue - moveCount * IncrementalFutilityMargin;
if (futilityValueScaled < sp->beta) if (futilityValueScaled < sp->beta)