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Simple always overwrite Refutation table

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This commit is contained in:
Joona Kiiski
2013-05-12 21:21:46 +01:00
parent 818a3537a7
commit c7e31d5aa8
3 changed files with 27 additions and 6 deletions
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15
src/movepick.h
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@@ -61,6 +61,17 @@ private:
typedef Stats<false> History;
typedef Stats<true> Gains;
// FIXME: Document me
struct RefutationTable {
void clear() { memset(table, 0, sizeof(table)); }
void update(Piece p, Square to, Move m) { table[p][to] = m; }
Move get(Piece p, Square to) const { return table[p][to]; }
private:
Move table[PIECE_NB][SQUARE_NB]; // Mapping: "move A" -> "move B which refutes move A"
};
/// MovePicker class is used to pick one pseudo legal move at a time from the
/// current position. The most important method is next_move(), which returns a
@@ -74,7 +85,7 @@ class MovePicker {
MovePicker& operator=(const MovePicker&); // Silence a warning under MSVC
public:
MovePicker(const Position&, Move, Depth, const History&, Search::Stack*, Value);
MovePicker(const Position&, Move, Depth, const History&, Search::Stack*, Move, Value);
MovePicker(const Position&, Move, Depth, const History&, Square);
MovePicker(const Position&, Move, const History&, PieceType);
template<bool SpNode> Move next_move();
@@ -88,7 +99,7 @@ private:
Search::Stack* ss;
Depth depth;
Move ttMove;
MoveStack killers[2];
MoveStack killers[3];
Square recaptureSquare;
int captureThreshold, phase;
MoveStack *cur, *end, *endQuiets, *endBadCaptures;