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Introduce operator~(Piece c)

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Small syntactic sugar to reverse piece color.

No functional change.
This commit is contained in:
Marco Costalba
2013-06-09 12:43:12 +02:00
parent 7e95495b35
commit db4cd89cb8
3 changed files with 11 additions and 7 deletions
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src/position.cpp
+6 -6
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@@ -85,17 +85,17 @@ void init() {
side = rk.rand<Key>();
exclusion = rk.rand<Key>();
for (PieceType pt = PAWN; pt <= KING; pt++)
for (Piece pc = W_PAWN; pc <= W_KING; pc++)
{
PieceValue[MG][make_piece(BLACK, pt)] = PieceValue[MG][pt];
PieceValue[EG][make_piece(BLACK, pt)] = PieceValue[EG][pt];
PieceValue[MG][~pc] = PieceValue[MG][pc];
PieceValue[EG][~pc] = PieceValue[EG][pc];
Score v = make_score(PieceValue[MG][pt], PieceValue[EG][pt]);
Score v = make_score(PieceValue[MG][pc], PieceValue[EG][pc]);
for (Square s = SQ_A1; s <= SQ_H8; s++)
{
pieceSquareTable[make_piece(WHITE, pt)][ s] = (v + PSQT[pt][s]);
pieceSquareTable[make_piece(BLACK, pt)][~s] = -(v + PSQT[pt][s]);
pieceSquareTable[ pc][ s] = (v + PSQT[pc][s]);
pieceSquareTable[~pc][~s] = -(v + PSQT[pc][s]);
}
}
}