void History::clear() {
memset(history, 0, 2 * 8 * 64 * sizeof(int));
- memset(maxStaticValueDelta, 0, 16 * 64 * 64 * sizeof(int));
+ memset(maxStaticValueDelta, 0, 2 * 8 * 64 * sizeof(int));
}
/// gain of a move given the delta of the static position evaluations
/// before and after the move.
-void History::set_gain(Piece p, Square from, Square to, Value delta)
+void History::set_gain(Piece p, Square to, Value delta)
{
- if (delta >= maxStaticValueDelta[p][from][to])
- maxStaticValueDelta[p][from][to] = delta;
+ if (delta >= maxStaticValueDelta[p][to])
+ maxStaticValueDelta[p][to] = delta;
else
- maxStaticValueDelta[p][from][to]--;
+ maxStaticValueDelta[p][to]--;
}
-Value History::gain(Piece p, Square from, Square to) const
+Value History::gain(Piece p, Square to) const
{
- return Value(maxStaticValueDelta[p][from][to]);
+ return Value(maxStaticValueDelta[p][to]);
}