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Fix a comment and add an assert in root_search()

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No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2010-03-06 17:51:56 +01:00
parent cc2a249952
commit f23a9e8f88
1 changed files with 2 additions and 2 deletions
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4
src/search.cpp
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@@ -950,6 +950,7 @@ namespace {
rml.set_move_nodes(i, TM.nodes_searched() - nodes);
assert(value >= -VALUE_INFINITE && value <= VALUE_INFINITE);
assert(value < beta);
// Step 17. Check for new best move
if (value <= alpha && i >= MultiPV)
@@ -975,8 +976,7 @@ namespace {
// Print information to the standard output
print_pv_info(pos, ss, alpha, beta, value);
// Raise alpha to setup proper non-pv search upper bound, note
// that we can end up with alpha >= beta and so get a fail high.
// Raise alpha to setup proper non-pv search upper bound
if (value > alpha)
alpha = value;
}