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Store pawn attacks in PawnInfo

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They are pawn structure invariant so has a sense to
store togheter with pawn info instead of recalculating
them each time evaluate() is called.

Speed up is around 1%

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2009-09-30 08:07:46 +01:00
parent 237dd331d5
commit e677185567
3 changed files with 12 additions and 2 deletions
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src/pawns.h
+6
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@@ -51,6 +51,7 @@ public:
Value eg_value() const;
Value kingside_storm_value(Color c) const;
Value queenside_storm_value(Color c) const;
Bitboard pawn_attacks(Color c) const;
Bitboard passed_pawns() const;
int file_is_half_open(Color c, File f) const;
int has_open_file_to_left(Color c, File f) const;
@@ -63,6 +64,7 @@ private:
Key key;
Bitboard passedPawns;
Bitboard pawnAttacks[2];
int16_t mgValue, egValue;
int16_t ksStormValue[2], qsStormValue[2];
uint8_t halfOpenFiles[2];
@@ -104,6 +106,10 @@ inline Bitboard PawnInfo::passed_pawns() const {
return passedPawns;
}
inline Bitboard PawnInfo::pawn_attacks(Color c) const {
return pawnAttacks[c];
}
inline Value PawnInfo::kingside_storm_value(Color c) const {
return Value(ksStormValue[c]);
}