X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.h;h=c77ca3ad8991dfea8568f2e70d054fe4c9b8ac96;hp=bbdbdfd950e9409483ccdbf0056162f741d7c54c;hb=3ef0c3c34a00e6b13d6c96d8c2f0d8d7a6cc25a6;hpb=66c5eaebd8c3ecc00a21a9c7f214cb59db4ce4e5

diff --git a/src/search.h b/src/search.h
index bbdbdfd9..c77ca3ad 100644
--- a/src/search.h
+++ b/src/search.h
@@ -2,7 +2,7 @@
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
   Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
   Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
-  Copyright (C) 2015-2017 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
+  Copyright (C) 2015-2019 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -31,13 +31,17 @@ class Position;
 
 namespace Search {
 
+/// Threshold used for countermoves based pruning
+constexpr int CounterMovePruneThreshold = 0;
+
+
 /// Stack struct keeps track of the information we need to remember from nodes
 /// shallower and deeper in the tree during the search. Each search thread has
 /// its own array of Stack objects, indexed by the current ply.
 
 struct Stack {
   Move* pv;
-  PieceToHistory* contHistory;
+  PieceToHistory* continuationHistory;
   int ply;
   Move currentMove;
   Move excludedMove;
@@ -65,6 +69,9 @@ struct RootMove {
   Value score = -VALUE_INFINITE;
   Value previousScore = -VALUE_INFINITE;
   int selDepth = 0;
+  int tbRank = 0;
+  int bestMoveCount = 0;
+  Value tbScore;
   std::vector<Move> pv;
 };
 
@@ -77,25 +84,25 @@ typedef std::vector<RootMove> RootMoves;
 struct LimitsType {
 
   LimitsType() { // Init explicitly due to broken value-initialization of non POD in MSVC
-    nodes = time[WHITE] = time[BLACK] = inc[WHITE] = inc[BLACK] =
-    npmsec = movestogo = depth = movetime = mate = infinite = 0;
+    time[WHITE] = time[BLACK] = inc[WHITE] = inc[BLACK] = npmsec = movetime = TimePoint(0);
+    movestogo = depth = mate = perft = infinite = 0;
+    nodes = 0;
   }
 
   bool use_time_management() const {
-    return !(mate | movetime | depth | nodes | infinite);
+    return !(mate | movetime | depth | nodes | perft | infinite);
   }
 
   std::vector<Move> searchmoves;
-  int time[COLOR_NB], inc[COLOR_NB], npmsec, movestogo, depth, movetime, mate, infinite;
+  TimePoint time[COLOR_NB], inc[COLOR_NB], npmsec, movetime, startTime;
+  int movestogo, depth, mate, perft, infinite;
   int64_t nodes;
-  TimePoint startTime;
 };
 
 extern LimitsType Limits;
 
 void init();
 void clear();
-template<bool Root = true> uint64_t perft(Position& pos, Depth depth);
 
 } // namespace Search