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DroidFish: Updated stockfish to version 6.

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Peter Osterlund
2015-02-01 00:46:09 +00:00
parent fffd5107c3
commit 22e71744a1
48 changed files with 4233 additions and 4553 deletions
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13
DroidFish/jni/stockfish/movepick.cpp
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@@ -1,7 +1,7 @@
/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
Copyright (C) 2008-2014 Marco Costalba, Joona Kiiski, Tord Romstad
Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -51,7 +51,7 @@ namespace {
// Unary predicate used by std::partition to split positive values from remaining
// ones so as to sort the two sets separately, with the second sort delayed.
inline bool has_positive_value(const ExtMove& ms) { return ms.value > 0; }
inline bool has_positive_value(const ExtMove& move) { return move.value > VALUE_ZERO; }
// Picks the best move in the range (begin, end) and moves it to the front.
// It's faster than sorting all the moves in advance when there are few
@@ -61,7 +61,7 @@ namespace {
std::swap(*begin, *std::max_element(begin, end));
return begin;
}
}
} // namespace
/// Constructors of the MovePicker class. As arguments we pass information
@@ -103,15 +103,8 @@ MovePicker::MovePicker(const Position& p, Move ttm, Depth d, const HistoryStats&
stage = QSEARCH_0;
else if (d > DEPTH_QS_RECAPTURES)
{
stage = QSEARCH_1;
// Skip TT move if is not a capture or a promotion. This avoids qsearch
// tree explosion due to a possible perpetual check or similar rare cases
// when TT table is full.
if (ttm && !pos.capture_or_promotion(ttm))
ttm = MOVE_NONE;
}
else
{
stage = RECAPTURE;