X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=e56b2c7f60e4839843cdd95ff04219e2c86b4d53;hp=dcf3e6134a4a5d4c83c48a1542f85f8ec3ebb23f;hb=a0cc15ccbc5dc48ea3c871915c8f96c7a624597d;hpb=7f142d68179919a507204e7980fff4f79648dbbc

diff --git a/src/search.cpp b/src/search.cpp
index dcf3e613..e56b2c7f 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -84,7 +84,7 @@ namespace {
 
   size_t PVSize, PVIdx;
   TimeManager TimeMgr;
-  float BestMoveChanges;
+  double BestMoveChanges;
   Value DrawValue[COLOR_NB];
   HistoryStats History;
   GainsStats Gains;
@@ -333,7 +333,7 @@ namespace {
     while (++depth <= MAX_PLY && !Signals.stop && (!Limits.depth || depth <= Limits.depth))
     {
         // Age out PV variability metric
-        BestMoveChanges *= 0.8f;
+        BestMoveChanges *= 0.8;
 
         // Save last iteration's scores before first PV line is searched and all
         // the move scores but the (new) PV are set to -VALUE_INFINITE.