X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftt.h;h=3edd5e8a1fdfda660eedc08ea89c57261eeb364b;hp=ae530c2a0244e2d69b56bf3115536e4c9ed31e97;hb=3cf6471738dc704ddf553d5f8d2dc9875c2ccbe7;hpb=a56322fde813094afd8ffa60d12761f94e0bd3ef

diff --git a/src/tt.h b/src/tt.h
index ae530c2a..3edd5e8a 100644
--- a/src/tt.h
+++ b/src/tt.h
@@ -20,12 +20,9 @@
 #if !defined(TT_H_INCLUDED)
 #define TT_H_INCLUDED
 
-#include <iostream>
-
 #include "misc.h"
 #include "types.h"
 
-
 /// The TTEntry is the class of transposition table entries
 ///
 /// A TTEntry needs 128 bits to be stored
@@ -136,35 +133,4 @@ inline void TranspositionTable::refresh(const TTEntry* tte) const {
   const_cast<TTEntry*>(tte)->set_generation(generation);
 }
 
-
-/// A simple fixed size hash table used to store pawns and material
-/// configurations. It is basically just an array of Entry objects.
-/// Without cluster concept, overwrite policy nor resizing.
-
-template<class Entry, int HashSize>
-struct SimpleHash {
-
-  typedef SimpleHash<Entry, HashSize> Base;
-
-  SimpleHash() {
-
-    entries = new (std::nothrow) Entry[HashSize];
-    if (!entries)
-    {
-        std::cerr << "Failed to allocate " << HashSize * sizeof(Entry)
-                  << " bytes for hash table." << std::endl;
-        ::exit(EXIT_FAILURE);
-    }
-    memset(entries, 0, HashSize * sizeof(Entry));
-  }
-
-  virtual ~SimpleHash() { delete [] entries; }
-
-  Entry* probe(Key key) const { return entries + ((uint32_t)key & (HashSize - 1)); }
-  void prefetch(Key key) const { ::prefetch((char*)probe(key)); }
-
-protected:
-  Entry* entries;
-};
-
 #endif // !defined(TT_H_INCLUDED)