Codying style in accurate PV

[stockfish] / src / search.h

diff --git a/src/search.h b/src/search.h
index 25e71a845c36c201b54fbd405e7fc2587d76a656..a399beba9a6069ebedeccc619a82f8fbc8457fed 100644 (file)
--- a/src/search.h
+++ b/src/search.h
@@ -20,7 +20,6 @@
 #ifndef SEARCH_H_INCLUDED
 #define SEARCH_H_INCLUDED
 
-#include <cstring>
 #include <memory>
 #include <stack>
 #include <vector>
@@ -39,6 +38,7 @@ namespace Search {
 
 struct Stack {
   SplitPoint* splitPoint;
+  Move* pv;
   int ply;
   Move currentMove;
   Move ttMove;
@@ -46,7 +46,7 @@ struct Stack {
   Move killers[2];
   Depth reduction;
   Value staticEval;
-  int skipNullMove;
+  bool skipNullMove;
 };
 
 
@@ -63,7 +63,6 @@ struct RootMove {
   bool operator<(const RootMove& m) const { return score > m.score; } // Ascending sort
   bool operator==(const Move& m) const { return pv[0] == m; }
 
-  void extract_pv_from_tt(Position& pos);
   void insert_pv_in_tt(Position& pos);
 
   Value score;
@@ -78,10 +77,15 @@ struct RootMove {
 
 struct LimitsType {
 
-  LimitsType() { std::memset(this, 0, sizeof(LimitsType)); }
+  LimitsType() { // Using memset on a std::vector is undefined behavior
+    nodes = time[WHITE] = time[BLACK] = inc[WHITE] = inc[BLACK] = movestogo =
+    depth = movetime = mate = infinite = ponder = 0;
+  }
   bool use_time_management() const { return !(mate | movetime | depth | nodes | infinite); }
 
-  int time[COLOR_NB], inc[COLOR_NB], movestogo, depth, nodes, movetime, mate, infinite, ponder;
+  std::vector<Move> searchmoves;
+  int time[COLOR_NB], inc[COLOR_NB], movestogo, depth, movetime, mate, infinite, ponder;
+  int64_t nodes;
 };
 
 
@@ -89,7 +93,7 @@ struct LimitsType {
 /// typically in an async fashion e.g. to stop the search by the GUI.
 
 struct SignalsType {
-  bool stopOnPonderhit, firstRootMove, stop, failedLowAtRoot;
+  bool stop, stopOnPonderhit, firstRootMove, failedLowAtRoot;
 };
 
 typedef std::auto_ptr<std::stack<StateInfo> > StateStackPtr;
@@ -98,13 +102,12 @@ extern volatile SignalsType Signals;
 extern LimitsType Limits;
 extern std::vector<RootMove> RootMoves;
 extern Position RootPos;
-extern Color RootColor;
-extern Time::point SearchTime, IterationTime;
+extern Time::point SearchTime;
 extern StateStackPtr SetupStates;
 
-extern void init();
-extern size_t perft(Position& pos, Depth depth);
-extern void think();
+void init();
+void think();
+template<bool Root> uint64_t perft(Position& pos, Depth depth);
 
 } // namespace Search