From: Joost VandeVondele <Joost.VandeVondele@gmail.com>
Date: Wed, 15 May 2019 08:35:58 +0000 (+0200)
Subject: Make rootDepth local to search. (#2077)
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=44c320a572188b5875291103edb344c584b91d19

Make rootDepth local to search. (#2077)

passed STC:
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 61869 W: 13668 L: 13626 D: 34575
http://tests.stockfishchess.org/tests/view/5ca660eb0ebc5925cf004f0c

No functional change.
---

diff --git a/src/search.cpp b/src/search.cpp
index 0e9674a0..b31157e4 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -283,7 +283,7 @@ void Thread::search() {
   Move  pv[MAX_PLY+1];
   Value bestValue, alpha, beta, delta;
   Move  lastBestMove = MOVE_NONE;
-  Depth lastBestMoveDepth = DEPTH_ZERO;
+  Depth lastBestMoveDepth = DEPTH_ZERO, rootDepth = DEPTH_ZERO;
   MainThread* mainThread = (this == Threads.main() ? Threads.main() : nullptr);
   double timeReduction = 1, totBestMoveChanges = 0;
   Color us = rootPos.side_to_move();
diff --git a/src/thread.cpp b/src/thread.cpp
index 2f1237a3..d360ad31 100644
--- a/src/thread.cpp
+++ b/src/thread.cpp
@@ -192,7 +192,7 @@ void ThreadPool::start_thinking(Position& pos, StateListPtr& states,
   for (Thread* th : *this)
   {
       th->nodes = th->tbHits = th->nmpMinPly = 0;
-      th->rootDepth = th->completedDepth = DEPTH_ZERO;
+      th->completedDepth = DEPTH_ZERO;
       th->rootMoves = rootMoves;
       th->rootPos.set(pos.fen(), pos.is_chess960(), &setupStates->back(), th);
   }
diff --git a/src/thread.h b/src/thread.h
index 7a27aab1..fb11344c 100644
--- a/src/thread.h
+++ b/src/thread.h
@@ -67,7 +67,7 @@ public:
 
   Position rootPos;
   Search::RootMoves rootMoves;
-  Depth rootDepth, completedDepth;
+  Depth completedDepth;
   CounterMoveHistory counterMoves;
   ButterflyHistory mainHistory;
   CapturePieceToHistory captureHistory;