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Inline history and gain getters

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No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2010-07-15 15:31:12 +02:00
parent bc0c1c8d7b
commit 3e38e61565
2 changed files with 16 additions and 21 deletions
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25
src/history.cpp
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@ -41,8 +41,8 @@ History::History() { clear(); }
/// History::clear() clears the history tables /// History::clear() clears the history tables
void History::clear() { void History::clear() {
memset(history, 0, 2 * 8 * 64 * sizeof(int)); memset(history, 0, 16 * 64 * sizeof(int));
memset(maxStaticValueDelta, 0, 2 * 8 * 64 * sizeof(int)); memset(maxStaticValueDelta, 0, 16 * 64 * sizeof(int));
} }
@ -85,31 +85,14 @@ void History::failure(Piece p, Square to, Depth d) {
} }
/// History::value() returns an integer value used to order the
/// non-capturing moves in the MovePicker class.
int History::value(Piece p, Square to) const {
assert(piece_is_ok(p));
assert(square_is_ok(to));
return history[p][to];
}
/// History::set_gain() and History::gain() store and retrieve the /// History::set_gain() and History::gain() store and retrieve the
/// gain of a move given the delta of the static position evaluations /// gain of a move given the delta of the static position evaluations
/// before and after the move. /// before and after the move.
void History::set_gain(Piece p, Square to, Value delta) void History::set_gain(Piece p, Square to, Value delta) {
{
if (delta >= maxStaticValueDelta[p][to]) if (delta >= maxStaticValueDelta[p][to])
maxStaticValueDelta[p][to] = delta; maxStaticValueDelta[p][to] = delta;
else else
maxStaticValueDelta[p][to]--; maxStaticValueDelta[p][to]--;
} }
Value History::gain(Piece p, Square to) const
{
return Value(maxStaticValueDelta[p][to]);
}

12
src/history.h
View file

@ -74,4 +74,16 @@ private:
const int HistoryMax = 50000 * OnePly; const int HistoryMax = 50000 * OnePly;
////
//// Inline functions
////
inline int History::value(Piece p, Square to) const {
return history[p][to];
}
inline Value History::gain(Piece p, Square to) const {
return Value(maxStaticValueDelta[p][to]);
}
#endif // !defined(HISTORY_H_INCLUDED) #endif // !defined(HISTORY_H_INCLUDED)