- TTEntry();
- TTEntry(Key k, Value v, ValueType t, Depth d, Move m, int generation);
- Key key() const { return key_; }
- Depth depth() const { return Depth(depth_); }
- Move move() const { return Move(data & 0x1FFFF); }
- Value value() const { return Value(value_); }
- ValueType type() const { return ValueType((data >> 20) & 7); }
- int generation() const { return (data >> 23); }
+ void save(uint32_t k, Value v, Bound b, Depth d, Move m, int g) {
+
+ key32 = (uint32_t)k;
+ move16 = (uint16_t)m;
+ bound = (uint8_t)b;
+ generation8 = (uint8_t)g;
+ valueUpper = (int16_t)(b & BOUND_UPPER ? v : VALUE_NONE);
+ depthUpper = (int16_t)(b & BOUND_UPPER ? d : DEPTH_NONE);
+ valueLower = (int16_t)(b & BOUND_LOWER ? v : VALUE_NONE);
+ depthLower = (int16_t)(b & BOUND_LOWER ? d : DEPTH_NONE);
+ }
+
+ void update(Value v, Bound b, Depth d, Move m, int g) {
+
+ move16 = (uint16_t)m;
+ generation8 = (uint8_t)g;
+
+ if (bound == BOUND_EXACT)
+ bound = BOUND_UPPER | BOUND_LOWER; // Drop 'EXACT' flag
+
+ if (b & BOUND_UPPER)
+ {
+ valueUpper = (int16_t)v;
+ depthUpper = (int16_t)d;
+
+ if ((bound & BOUND_LOWER) && v < valueLower)
+ {
+ bound ^= BOUND_LOWER;
+ valueLower = VALUE_NONE;
+ depthLower = DEPTH_NONE;
+ }
+ }
+
+ if (b & BOUND_LOWER)
+ {
+ valueLower = (int16_t)v;
+ depthLower = (int16_t)d;
+
+ if ((bound & BOUND_UPPER) && v > valueUpper)
+ {
+ bound ^= BOUND_UPPER;
+ valueUpper = VALUE_NONE;
+ depthUpper = DEPTH_NONE;
+ }
+ }
+
+ bound |= (uint8_t)b;
+ }
+
+ void set_generation(int g) { generation8 = (uint8_t)g; }
+
+ uint32_t key() const { return key32; }
+ Depth depth() const { return (Depth)depthLower; }
+ Depth depth_upper() const { return (Depth)depthUpper; }
+ Move move() const { return (Move)move16; }
+ Value value() const { return (Value)valueLower; }
+ Value value_upper() const { return (Value)valueUpper; }
+ Bound type() const { return (Bound)bound; }
+ int generation() const { return (int)generation8; }