Clean up RootMove less operator

[stockfish] / src / search.h

diff --git a/src/search.h b/src/search.h
index 809a15d1cf2ee63735a27337f8ac1150fec274b0..d755f1c2e873cf907d4c13d7af6812065f9c7714 100644 (file)
--- a/src/search.h
+++ b/src/search.h
@@ -56,7 +56,7 @@ struct RootMove {
 
   explicit RootMove(Move m) : pv(1, m) {}
 
-  bool operator<(const RootMove& m) const { return score > m.score; } // Ascending sort
+  bool operator<(const RootMove& m) const { return m.score < score; } // Descending sort
   bool operator==(const Move& m) const { return pv[0] == m; }
   void insert_pv_in_tt(Position& pos);
   bool extract_ponder_from_tt(Position& pos);
@@ -93,7 +93,7 @@ struct LimitsType {
 /// typically in an async fashion e.g. to stop the search by the GUI.
 
 struct SignalsType {
-  std::atomic<bool> stop, stopOnPonderhit, firstRootMove, failedLowAtRoot;
+  std::atomic_bool stop, stopOnPonderhit, firstRootMove, failedLowAtRoot;
 };
 
 typedef std::unique_ptr<std::stack<StateInfo>> StateStackPtr;