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Code Issues Releases Wiki Activity

Retire psq_delta()

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No functional change.
This commit is contained in:
Marco Costalba 2013-06-09 12:24:43 +02:00
parent 55eb7dd1e9
commit 7e95495b35
3 changed files with 6 additions and 13 deletions
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11
src/position.cpp
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@ -105,9 +105,9 @@ void init() {
namespace { namespace {
/// next_attacker() is an helper function used by see() to locate the least // next_attacker() is an helper function used by see() to locate the least
/// valuable attacker for the side to move, remove the attacker we just found // valuable attacker for the side to move, remove the attacker we just found
/// from the 'occupied' bitboard and scan for new X-ray attacks behind it. // from the 'occupied' bitboard and scan for new X-ray attacks behind it.
template<int Pt> FORCE_INLINE template<int Pt> FORCE_INLINE
PieceType next_attacker(const Bitboard* bb, const Square& to, const Bitboard& stmAttackers, PieceType next_attacker(const Bitboard* bb, const Square& to, const Bitboard& stmAttackers,
@ -767,8 +767,9 @@ void Position::do_move(Move m, StateInfo& newSt, const CheckInfo& ci, bool moveI
do_castle(from, to, rfrom, rto); do_castle(from, to, rfrom, rto);
st->psqScore += psq_delta(make_piece(us, ROOK), rfrom, rto);
k ^= Zobrist::psq[us][ROOK][rfrom] ^ Zobrist::psq[us][ROOK][rto]; k ^= Zobrist::psq[us][ROOK][rfrom] ^ Zobrist::psq[us][ROOK][rto];
st->psqScore += pieceSquareTable[make_piece(us, ROOK)][rto]
- pieceSquareTable[make_piece(us, ROOK)][rfrom];
} }
if (capture) if (capture)
@ -919,7 +920,7 @@ void Position::do_move(Move m, StateInfo& newSt, const CheckInfo& ci, bool moveI
} }
// Update incremental scores // Update incremental scores
st->psqScore += psq_delta(piece, from, to); st->psqScore += pieceSquareTable[piece][to] - pieceSquareTable[piece][from];
// Set capture piece // Set capture piece
st->capturedType = capture; st->capturedType = capture;

5
src/position.h
View file

@ -169,7 +169,6 @@ public:
// Incremental piece-square evaluation // Incremental piece-square evaluation
Score psq_score() const; Score psq_score() const;
Score psq_delta(Piece p, Square from, Square to) const;
Value non_pawn_material(Color c) const; Value non_pawn_material(Color c) const;
// Other properties of the position // Other properties of the position
@ -358,10 +357,6 @@ inline Key Position::material_key() const {
return st->materialKey; return st->materialKey;
} }
inline Score Position::psq_delta(Piece p, Square from, Square to) const {
return pieceSquareTable[p][to] - pieceSquareTable[p][from];
}
inline Score Position::psq_score() const { inline Score Position::psq_score() const {
return st->psqScore; return st->psqScore;
} }

3
src/types.h
View file

@ -339,9 +339,6 @@ namespace Zobrist {
void init(); void init();
} }
CACHE_LINE_ALIGNMENT
extern Score pieceSquareTable[PIECE_NB][SQUARE_NB];
extern Value PieceValue[PHASE_NB][PIECE_NB]; extern Value PieceValue[PHASE_NB][PIECE_NB];
extern int SquareDistance[SQUARE_NB][SQUARE_NB]; extern int SquareDistance[SQUARE_NB][SQUARE_NB];