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Move zobrist keys out of Position

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Are used by Position but do not belong to that class,
there is only one instance of them (that's why were
defined as static), so move to a proper namespace instead.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2012-08-20 18:09:57 +01:00
parent ec9038b7b4
commit 7c8b7222f5
4 changed files with 98 additions and 92 deletions
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14
src/types.h
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@@ -321,9 +321,21 @@ inline Score apply_weight(Score v, Score w) {
#undef ENABLE_OPERATORS_ON
#undef ENABLE_SAFE_OPERATORS_ON
namespace Zobrist {
extern Key psq[2][8][64]; // [color][pieceType][square]/[piece count]
extern Key enpassant[8]; // [file]
extern Key castle[16]; // [castleRight]
extern Key side;
extern Key exclusion;
void init();
}
extern Score pieceSquareTable[16][64];
extern int SquareDistance[64][64];
extern const Value PieceValueMidgame[17]; // Indexed by Piece or PieceType
extern const Value PieceValueEndgame[17];
extern int SquareDistance[64][64];
struct MoveStack {
Move move;