X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fhistory.h;h=4d84be7054858eb37407b097b87e5aa2320e7846;hp=bbac390375100e125106d40dbeebee86c0225b73;hb=90e83fa879ccdba066962ad0a9aa5be7c4cd1956;hpb=998845763ae98fac86dc75238e8a441aac14da23 diff --git a/src/history.h b/src/history.h index bbac3903..4d84be70 100644 --- a/src/history.h +++ b/src/history.h @@ -21,12 +21,7 @@ #define HISTORY_H_INCLUDED #include - -#include "depth.h" -#include "piece.h" -#include "square.h" -#include "value.h" - +#include "types.h" /// The History class stores statistics about how often different moves /// have been successful or unsuccessful during the current search. These @@ -38,14 +33,13 @@ class History { public: - History() { clear(); } void clear(); Value value(Piece p, Square to) const; void update(Piece p, Square to, Value bonus); Value gain(Piece p, Square to) const; - void update_gain(Piece p, Square to, Value gain); + void update_gain(Piece p, Square to, Value g); - static const Value MaxValue = Value(1 << 29); // To avoid an overflow + static const Value MaxValue = Value(2000); private: Value history[16][64]; // [piece][to_square] @@ -69,8 +63,8 @@ inline Value History::gain(Piece p, Square to) const { return maxGains[p][to]; } -inline void History::update_gain(Piece p, Square to, Value gain) { - maxGains[p][to] = Max(gain, maxGains[p][to] - 1); +inline void History::update_gain(Piece p, Square to, Value g) { + maxGains[p][to] = Max(g, maxGains[p][to] - 1); } #endif // !defined(HISTORY_H_INCLUDED)