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Rewrite messy LSN-code take 2

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We already reset loseOnTime flag at the beginning of
a new game, so we can simplify a bit the ligic there.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2009-11-25 13:53:48 +01:00
parent cd0c7373cd
commit 850c021f86
1 changed files with 6 additions and 11 deletions
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17
src/search.cpp
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@ -527,18 +527,12 @@ bool think(const Position& pos, bool infinite, bool ponder, int side_to_move,
// LSN filtering. Used only for developing purpose. Disabled by default.
if (UseLSNFiltering)
if ( UseLSNFiltering
&& loseOnTime)
{
// Step 2. If after last move we decided to lose on time, do it now!
if ( loseOnTime
&& myTime < LSNTime // double check: catches some very rear false positives!
&& myIncrement == 0
&& movesToGo == 0)
{
while (SearchStartTime + myTime + 1000 > get_system_time())
; // wait here
} else if (loseOnTime) // false positive, reset flag
loseOnTime = false;
while (SearchStartTime + myTime + 1000 > get_system_time())
; // wait here
}
// We're ready to start thinking. Call the iterative deepening loop function
@ -547,7 +541,8 @@ bool think(const Position& pos, bool infinite, bool ponder, int side_to_move,
// LSN filtering. Used only for developing purpose. Disabled by default.
if (UseLSNFiltering)
{
// Step 1. If this is sudden death game and our position is hopeless, decide to lose on time.
// Step 1. If this is sudden death game and our position is hopeless,
// decide to lose on time.
if ( !loseOnTime // If we already lost on time, go to step 3.
&& myTime < LSNTime
&& myIncrement == 0