]> git.sesse.net Git - stockfish/blobdiff - src/search.cpp
Small cleanups
[stockfish] / src / search.cpp
index 55c520a4b0fcb65db715dbd65beea3fcedc6c08e..7f29f771c0a9eb3e05f8881502182c822e0f1e0f 100644 (file)
@@ -61,8 +61,8 @@ namespace {
   // Different node types, used as a template parameter
   enum NodeType { NonPV, PV };
 
-  constexpr uint64_t ttHitAverageWindow     = 4096;
-  constexpr uint64_t ttHitAverageResolution = 1024;
+  constexpr uint64_t TtHitAverageWindow     = 4096;
+  constexpr uint64_t TtHitAverageResolution = 1024;
 
   // Razor and futility margins
   constexpr int RazorMargin = 531;
@@ -378,7 +378,7 @@ void Thread::search() {
       multiPV = std::max(multiPV, (size_t)4);
 
   multiPV = std::min(multiPV, rootMoves.size());
-  ttHitAverage = ttHitAverageWindow * ttHitAverageResolution / 2;
+  ttHitAverage = TtHitAverageWindow * TtHitAverageResolution / 2;
 
   int ct = int(Options["Contempt"]) * PawnValueEg / 100; // From centipawns
 
@@ -702,8 +702,8 @@ namespace {
         thisThread->lowPlyHistory[ss->ply - 1][from_to((ss-1)->currentMove)] << stat_bonus(depth - 5);
 
     // thisThread->ttHitAverage can be used to approximate the running average of ttHit
-    thisThread->ttHitAverage =   (ttHitAverageWindow - 1) * thisThread->ttHitAverage / ttHitAverageWindow
-                                + ttHitAverageResolution * ttHit;
+    thisThread->ttHitAverage =   (TtHitAverageWindow - 1) * thisThread->ttHitAverage / TtHitAverageWindow
+                                + TtHitAverageResolution * ttHit;
 
     // At non-PV nodes we check for an early TT cutoff
     if (  !PvNode
@@ -1170,12 +1170,12 @@ moves_loop: // When in check, search starts from here
               || moveCountPruning
               || ss->staticEval + PieceValue[EG][pos.captured_piece()] <= alpha
               || cutNode
-              || thisThread->ttHitAverage < 375 * ttHitAverageResolution * ttHitAverageWindow / 1024))
+              || thisThread->ttHitAverage < 375 * TtHitAverageResolution * TtHitAverageWindow / 1024))
       {
           Depth r = reduction(improving, depth, moveCount);
 
           // Decrease reduction if the ttHit running average is large
-          if (thisThread->ttHitAverage > 500 * ttHitAverageResolution * ttHitAverageWindow / 1024)
+          if (thisThread->ttHitAverage > 500 * TtHitAverageResolution * TtHitAverageWindow / 1024)
               r--;
 
           // Reduction if other threads are searching this position.