Slow down reductions

[stockfish] / src / search.h

diff --git a/src/search.h b/src/search.h
index 0bdabdac6507cf89859eb2d3aec83e4b2264cf09..e87d0d2c2c33020f4c4b992f19872abe5dde75a1 100644 (file)
--- a/src/search.h
+++ b/src/search.h
@@ -1,7 +1,7 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
   Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
-  Copyright (C) 2008 Marco Costalba
+  Copyright (C) 2008-2009 Marco Costalba
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -26,12 +26,7 @@
 ////
 
 #include "depth.h"
-#include "history.h"
-#include "lock.h"
-#include "movegen.h"
-#include "position.h"
-#include "tt.h"
-#include "value.h"
+#include "move.h"
 
 
 ////
@@ -53,27 +48,16 @@ const int KILLER_MAX = 2;
 /// current ply.
 
 struct SearchStack {
-  Move pv[PLY_MAX];
+  Move pv[PLY_MAX_PLUS_2];
   Move currentMove;
-  Value currentMoveCaptureValue;
   Move mateKiller;
   Move threatMove;
   Move killers[KILLER_MAX];
   Depth reduction;
-};
-
 
-////
-//// Global variables
-////
-
-extern SearchStack EmptySearchStack;
-extern TranspositionTable TT;
-extern int ActiveThreads;
-extern Lock SMPLock;
-
-// Perhaps better to make H local, and pass as parameter to MovePicker?
-extern History H;
+  void init(int ply);
+  void initKillers();
+};
 
 
 ////
@@ -82,9 +66,10 @@ extern History H;
 
 extern void init_threads();
 extern void stop_threads();
-extern void think(const Position &pos, bool infinite, bool ponder, int side_to_move,
+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();