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Retire history.cpp

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No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2011-01-15 09:49:03 +01:00
parent 2052407090
commit 7faeab0878
4 changed files with 30 additions and 97 deletions
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src/history.h
+25 -7
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@@ -20,6 +20,8 @@
#if !defined(HISTORY_H_INCLUDED)
#define HISTORY_H_INCLUDED
#include <cstring>
#include "depth.h"
#include "move.h"
#include "piece.h"
@@ -36,25 +38,41 @@
class History {
public:
History();
History() { clear(); }
void clear();
void success(Piece p, Square to, Depth d);
void failure(Piece p, Square to, Depth d);
int value(Piece p, Square to) const;
void set_gain(Piece p, Square to, Value delta);
void update(Piece p, Square to, Value delta);
Value gain(Piece p, Square to) const;
void update_gain(Piece p, Square to, Value delta);
private:
int history[16][64]; // [piece][square]
int maxStaticValueDelta[16][64]; // [piece][from_square][to_square]
Value history[16][64]; // [piece][to_square]
Value maxGains[16][64]; // [piece][to_square]
};
inline void History::clear() {
memset(history, 0, 16 * 64 * sizeof(int));
memset(maxGains, 0, 16 * 64 * sizeof(int));
}
inline int History::value(Piece p, Square to) const {
return history[p][to];
}
inline void History::update(Piece p, Square to, Value bonus) {
history[p][to] += bonus;
}
inline Value History::gain(Piece p, Square to) const {
return Value(maxStaticValueDelta[p][to]);
return maxGains[p][to];
}
inline void History::update_gain(Piece p, Square to, Value gain) {
if (gain >= maxGains[p][to])
maxGains[p][to] = gain;
else
maxGains[p][to]--;
}
#endif // !defined(HISTORY_H_INCLUDED)