- void save(uint32_t k, Value v, Bound b, Depth d, Move m, int g, Value statV, Value statM) {
-
- key32 = (uint32_t)k;
- move16 = (uint16_t)m;
- bound = (uint8_t)b;
- generation8 = (uint8_t)g;
- value16 = (int16_t)v;
- depth16 = (int16_t)d;
- staticValue = (int16_t)statV;
- staticMargin = (int16_t)statM;
+ 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;