HCha/Stockfish
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We can add an integer to a Value

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We have defined corresponding operators,
so rely on them to streamline the code
and increase readibility.

No functional change.
This commit is contained in:
Marco Costalba
2014-04-27 10:13:59 +02:00
parent fe23f27086
commit c9e396b542
5 changed files with 37 additions and 36 deletions
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13
src/endgame.cpp
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@@ -245,13 +245,13 @@ Value Endgame<KRKP>::operator()(const Position& pos) const {
// If the stronger side's king is in front of the pawn, it's a win
if (wksq < psq && file_of(wksq) == file_of(psq))
result = RookValueEg - Value(square_distance(wksq, psq));
result = RookValueEg - square_distance(wksq, psq);
// If the weaker side's king is too far from the pawn and the rook,
// it's a win.
else if ( square_distance(bksq, psq) >= 3 + (pos.side_to_move() == weakSide)
&& square_distance(bksq, rsq) >= 3)
result = RookValueEg - Value(square_distance(wksq, psq));
result = RookValueEg - square_distance(wksq, psq);
// If the pawn is far advanced and supported by the defending king,
// the position is drawish
@@ -259,13 +259,12 @@ Value Endgame<KRKP>::operator()(const Position& pos) const {
&& square_distance(bksq, psq) == 1
&& rank_of(wksq) >= RANK_4
&& square_distance(wksq, psq) > 2 + (pos.side_to_move() == strongSide))
result = Value(80 - square_distance(wksq, psq) * 8);
result = Value(80) - 8 * square_distance(wksq, psq);
else
result = Value(200)
- Value(square_distance(wksq, psq + DELTA_S) * 8)
+ Value(square_distance(bksq, psq + DELTA_S) * 8)
+ Value(square_distance(psq, queeningSq) * 8);
result = Value(200) - 8 * ( square_distance(wksq, psq + DELTA_S)
- square_distance(bksq, psq + DELTA_S)
- square_distance(psq, queeningSq));
return strongSide == pos.side_to_move() ? result : -result;
}