Introduce Null Threat extension

[stockfish] / src / evaluate.h

diff --git a/src/evaluate.h b/src/evaluate.h
index 06ce9d48a631e8079bd3fc04c24e2ec998d2f89b..accb7d632a5694ba6c6be32d978f76dea41f40e4 100644 (file)
--- a/src/evaluate.h
+++ b/src/evaluate.h
@@ -20,20 +20,27 @@
 #if !defined(EVALUATE_H_INCLUDED)
 #define EVALUATE_H_INCLUDED
 
+#include "misc.h"
 #include "types.h"
 
 class Position;
 
 namespace Eval {
 
-extern Color RootColor;
-extern Value ContemptFactor;
-extern Value ValueDraw[2];
-
 extern void init();
 extern Value evaluate(const Position& pos, Value& margin);
 extern std::string trace(const Position& pos);
 
+const int TableSize = 262144;
+
+struct Entry {
+  Key key;
+  Value value;
+  int16_t margins[2];
+};
+
+struct Table : HashTable<Entry, TableSize> {};
+
 }
 
 #endif // !defined(EVALUATE_H_INCLUDED)