Introduce update_gains() and refactor some code

[stockfish] / src / search.h

diff --git a/src/search.h b/src/search.h
index 069bbdd26e1954d9a872e0f5ddbc5e8978bb9d76..7b114bf2126ec4b20639bf8772219c8d2130888b 100644 (file)
--- a/src/search.h
+++ b/src/search.h
@@ -27,6 +27,7 @@
 
 #include "depth.h"
 #include "move.h"
+#include "value.h"
 
 
 ////
@@ -46,14 +47,17 @@ const int KILLER_MAX = 2;
 /// from nodes shallower and deeper in the tree during the search.  Each
 /// search thread has its own array of SearchStack objects, indexed by the
 /// current ply.
+struct EvalInfo;
 
 struct SearchStack {
-  Move pv[PLY_MAX];
+  Move pv[PLY_MAX_PLUS_2];
   Move currentMove;
   Move mateKiller;
   Move threatMove;
   Move killers[KILLER_MAX];
   Depth reduction;
+  Value eval;
+  EvalInfo* evalInfo;
 
   void init(int ply);
   void initKillers();
@@ -69,6 +73,7 @@ extern void stop_threads();
 extern bool think(const Position &pos, bool infinite, bool ponder, int side_to_move,
                   int time[], int increment[], int movesToGo, int maxDepth,
                   int maxNodes, int maxTime, Move searchMoves[]);
+extern int perft(Position &pos, Depth depth);
 extern int64_t nodes_searched();