Make Square and Bitboard operators commutative

[stockfish] / src / material.cpp

diff --git a/src/material.cpp b/src/material.cpp
index ee5d4bceabdaa5b056f0f712fd4cf85856779f57..11d4c687dfe7066ee1abda9b2d933c70f34b24c6 100644 (file)
--- a/src/material.cpp
+++ b/src/material.cpp
@@ -137,10 +137,10 @@ Entry* probe(const Position& pos) {
   // Let's look if we have a specialized evaluation function for this particular
   // material configuration. Firstly we look for a fixed configuration one, then
   // for a generic one if the previous search failed.
-  if ((e->evaluationFunction = pos.this_thread()->endgames.probe<Value>(key)) != nullptr)
+  if ((e->evaluationFunction = Endgames::probe<Value>(key)) != nullptr)
       return e;
 
-  for (Color c = WHITE; c <= BLACK; ++c)
+  for (Color c : { WHITE, BLACK })
       if (is_KXK(pos, c))
       {
           e->evaluationFunction = &EvaluateKXK[c];
@@ -149,7 +149,7 @@ Entry* probe(const Position& pos) {
 
   // OK, we didn't find any special evaluation function for the current material
   // configuration. Is there a suitable specialized scaling function?
-  const auto* sf = pos.this_thread()->endgames.probe<ScaleFactor>(key);
+  const auto* sf = Endgames::probe<ScaleFactor>(key);
 
   if (sf)
   {
@@ -160,7 +160,7 @@ Entry* probe(const Position& pos) {
   // We didn't find any specialized scaling function, so fall back on generic
   // ones that refer to more than one material distribution. Note that in this
   // case we don't return after setting the function.
-  for (Color c = WHITE; c <= BLACK; ++c)
+  for (Color c : { WHITE, BLACK })
   {
     if (is_KBPsK(pos, c))
         e->scalingFunction[c] = &ScaleKBPsK[c];