More random draw evaluations

[stockfish] / src / tt.h

diff --git a/src/tt.h b/src/tt.h
index 8b98dbd52a2006daca7933e008dad9cbb4adf3d3..3a5ba5da8ee218c76b4e14a097c76c158cdd0a84 100644 (file)
--- a/src/tt.h
+++ b/src/tt.h
@@ -31,7 +31,7 @@
 /// value      16 bit
 /// eval value 16 bit
 /// generation  5 bit
-/// PvNode      1 bit
+/// pv node     1 bit
 /// bound type  2 bit
 /// depth       8 bit
 
@@ -40,10 +40,10 @@ struct TTEntry {
   Move  move()  const { return (Move )move16; }
   Value value() const { return (Value)value16; }
   Value eval()  const { return (Value)eval16; }
-  Depth depth() const { return (Depth)(depth8 * int(ONE_PLY)); }
-  bool pv_hit() const { return (bool)(genBound8 & 0x4); }
+  Depth depth() const { return (Depth)(depth8 * int(ONE_PLY)) + DEPTH_OFFSET; }
+  bool is_pv() const { return (bool)(genBound8 & 0x4); }
   Bound bound() const { return (Bound)(genBound8 & 0x3); }
-  void save(Key k, Value v, bool PvNode, Bound b, Depth d, Move m, Value ev);
+  void save(Key k, Value v, bool pv, Bound b, Depth d, Move m, Value ev);
 
 private:
   friend class TranspositionTable;
@@ -53,7 +53,7 @@ private:
   int16_t  value16;
   int16_t  eval16;
   uint8_t  genBound8;
-  int8_t   depth8;
+  uint8_t  depth8;
 };