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Use operator~ to flip colors and squares

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More natural and nicer. Idea from Critter.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2012-01-12 19:31:18 +01:00
parent c549f71f64
commit d98150dffc
8 changed files with 76 additions and 76 deletions
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src/endgame.cpp
+17 -17
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@@ -205,10 +205,10 @@ Value Endgame<KPK>::operator()(const Position& pos) const {
}
else
{
wksq = flip(pos.king_square(BLACK));
bksq = flip(pos.king_square(WHITE));
wpsq = flip(pos.piece_list(BLACK, PAWN)[0]);
stm = flip(pos.side_to_move());
wksq = ~pos.king_square(BLACK);
bksq = ~pos.king_square(WHITE);
wpsq = ~pos.piece_list(BLACK, PAWN)[0];
stm = ~pos.side_to_move();
}
if (file_of(wpsq) >= FILE_E)
@@ -251,10 +251,10 @@ Value Endgame<KRKP>::operator()(const Position& pos) const {
if (strongerSide == BLACK)
{
wksq = flip(wksq);
wrsq = flip(wrsq);
bksq = flip(bksq);
bpsq = flip(bpsq);
wksq = ~wksq;
wrsq = ~wrsq;
bksq = ~bksq;
bpsq = ~bpsq;
}
Square queeningSq = make_square(file_of(bpsq), RANK_1);
@@ -491,11 +491,11 @@ ScaleFactor Endgame<KRPKR>::operator()(const Position& pos) const {
// pawn is on the left half of the board.
if (strongerSide == BLACK)
{
wksq = flip(wksq);
wrsq = flip(wrsq);
wpsq = flip(wpsq);
bksq = flip(bksq);
brsq = flip(brsq);
wksq = ~wksq;
wrsq = ~wrsq;
wpsq = ~wpsq;
bksq = ~bksq;
brsq = ~brsq;
}
if (file_of(wpsq) > FILE_D)
{
@@ -867,10 +867,10 @@ ScaleFactor Endgame<KPKP>::operator()(const Position& pos) const {
if (strongerSide == BLACK)
{
wksq = flip(wksq);
bksq = flip(bksq);
wpsq = flip(wpsq);
stm = flip(stm);
wksq = ~wksq;
bksq = ~bksq;
wpsq = ~wpsq;
stm = ~stm;
}
if (file_of(wpsq) >= FILE_E)