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Code Issues Releases Wiki Activity

Remove unused FailHigh flag

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Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Joona Kiiski 2010-02-05 14:21:22 +02:00 • committed by Marco Costalba
parent d8e5b8c133
commit 8d65fcc0f3
1 changed files with 2 additions and 10 deletions
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12
src/search.cpp
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@ -209,7 +209,7 @@ namespace {
int MaxSearchTime, AbsoluteMaxSearchTime, ExtraSearchTime, ExactMaxTime; int MaxSearchTime, AbsoluteMaxSearchTime, ExtraSearchTime, ExactMaxTime;
bool UseTimeManagement, InfiniteSearch, PonderSearch, StopOnPonderhit; bool UseTimeManagement, InfiniteSearch, PonderSearch, StopOnPonderhit;
bool AbortSearch, Quit; bool AbortSearch, Quit;
bool FailHigh, FailLow, Problem; bool FailLow, Problem;
// Show current line? // Show current line?
bool ShowCurrentLine; bool ShowCurrentLine;
@ -352,7 +352,7 @@ bool think(const Position& pos, bool infinite, bool ponder, int side_to_move,
// Initialize global search variables // Initialize global search variables
Idle = StopOnPonderhit = AbortSearch = Quit = false; Idle = StopOnPonderhit = AbortSearch = Quit = false;
FailHigh = FailLow = Problem = false; FailLow = Problem = false;
NodesSincePoll = 0; NodesSincePoll = 0;
SearchStartTime = get_system_time(); SearchStartTime = get_system_time();
ExactMaxTime = maxTime; ExactMaxTime = maxTime;
@ -896,7 +896,6 @@ namespace {
} }
RootMoveNumber = i + 1; RootMoveNumber = i + 1;
FailHigh = false;
// Save the current node count before the move is searched // Save the current node count before the move is searched
nodes = nodes_searched(); nodes = nodes_searched();
@ -970,14 +969,7 @@ namespace {
value = -search(pos, ss, -alpha, newDepth, 1, true, 0); value = -search(pos, ss, -alpha, newDepth, 1, true, 0);
if (value > alpha) if (value > alpha)
{
// Fail high! Set the boolean variable FailHigh to true, and
// re-search the move using a PV search. The variable FailHigh
// is used for time managment: We try to avoid aborting the
// search prematurely during a fail high research.
FailHigh = true;
value = -search_pv(pos, ss, -beta, -alpha, newDepth, 1, 0); value = -search_pv(pos, ss, -beta, -alpha, newDepth, 1, 0);
}
} }
} }