X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fnnue%2Fnnue_accumulator.h;h=a357d83526c89ef175e8fc10e6fe1e25b420e4bf;hb=7615e3485e75c2f1715d372f7bb1f546738a5c76;hp=263707102019f8596ab11c3558afc970e8479acb;hpb=fc27d158c012341593518a05abf51903ecbcb495;p=stockfish

diff --git a/src/nnue/nnue_accumulator.h b/src/nnue/nnue_accumulator.h
index 26370710..a357d835 100644
--- a/src/nnue/nnue_accumulator.h
+++ b/src/nnue/nnue_accumulator.h
@@ -25,11 +25,14 @@
 
 namespace Eval::NNUE {
 
+  // The accumulator of a StateInfo without parent is set to the INIT state
+  enum AccumulatorState { EMPTY, COMPUTED, INIT };
+
   // Class that holds the result of affine transformation of input features
   struct alignas(kCacheLineSize) Accumulator {
     std::int16_t
         accumulation[2][kRefreshTriggers.size()][kTransformedFeatureDimensions];
-    bool computed_accumulation;
+    AccumulatorState state[2];
   };
 
 }  // namespace Eval::NNUE