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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 {
/// 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
/// from the 'occupied' bitboard and scan for new X-ray attacks behind it.
// 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
// from the 'occupied' bitboard and scan for new X-ray attacks behind it.
template<int Pt> FORCE_INLINE
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);
st->psqScore += psq_delta(make_piece(us, ROOK), rfrom, 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)
@@ -919,7 +920,7 @@ void Position::do_move(Move m, StateInfo& newSt, const CheckInfo& ci, bool moveI
}
// Update incremental scores
st->psqScore += psq_delta(piece, from, to);
st->psqScore += pieceSquareTable[piece][to] - pieceSquareTable[piece][from];
// Set capture piece
st->capturedType = capture;