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Document why Book is defined static

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This was not clear to someone on talkchess and actually
is not trivial to understand.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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Marco Costalba
2011-10-01 06:35:24 +01:00
parent 83d8fe2d59
commit a90a990118
1 changed files with 1 additions and 1 deletions
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src/search.cpp
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@@ -363,7 +363,7 @@ int64_t perft(Position& pos, Depth depth) {
bool think(Position& pos, const SearchLimits& limits, Move searchMoves[]) {
static Book book;
static Book book; // Define static to initialize the PRNG only once
// Initialize global search-related variables
StopOnPonderhit = StopRequest = QuitRequest = AspirationFailLow = false;