Do not modify alpha in split()

[stockfish] / src / search.h

diff --git a/src/search.h b/src/search.h
index 06e384fb35dbfa0094bb7fc5c0932e3f49a7fee8..1688534b59b0782ac0de81f59a63f49853e0a194 100644 (file)
--- a/src/search.h
+++ b/src/search.h
@@ -20,6 +20,8 @@
 #if !defined(SEARCH_H_INCLUDED)
 #define SEARCH_H_INCLUDED
 
+#include <cstring>
+
 #include "move.h"
 #include "types.h"
 
@@ -32,17 +34,16 @@ struct SplitPoint;
 /// current ply.
 
 struct SearchStack {
+  SplitPoint* sp;
   int ply;
   Move currentMove;
-  Move mateKiller;
   Move excludedMove;
   Move bestMove;
   Move killers[2];
   Depth reduction;
   Value eval;
   Value evalMargin;
-  bool skipNullMove;
-  SplitPoint* sp;
+  int skipNullMove;
 };
 
 
@@ -52,15 +53,15 @@ struct SearchStack {
 
 struct SearchLimits {
 
-  SearchLimits() {}
+  SearchLimits() { memset(this, 0, sizeof(SearchLimits)); }
+
   SearchLimits(int t, int i, int mtg, int mt, int md, int mn, bool inf, bool pon)
               : time(t), increment(i), movesToGo(mtg), maxTime(mt), maxDepth(md),
                 maxNodes(mn), infinite(inf), ponder(pon) {}
 
-  bool useTimeManagement() const { return !(maxTime | maxDepth | maxNodes | int(infinite)); }
+  bool useTimeManagement() const { return !(maxTime | maxDepth | maxNodes | infinite); }
 
-  int time, increment, movesToGo, maxTime, maxDepth, maxNodes;
-  bool infinite, ponder;
+  int time, increment, movesToGo, maxTime, maxDepth, maxNodes, infinite, ponder;
 };
 
 extern void init_search();