X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fnnue%2Fnnue_accumulator.h;h=72a151f8eaa59ddf497d73f2a5abb8412c59a269;hb=58054fd0fa6294510fc8cf76b0ba9673d5094c10;hp=263707102019f8596ab11c3558afc970e8479acb;hpb=fc27d158c012341593518a05abf51903ecbcb495;p=stockfish

diff --git a/src/nnue/nnue_accumulator.h b/src/nnue/nnue_accumulator.h
index 26370710..72a151f8 100644
--- a/src/nnue/nnue_accumulator.h
+++ b/src/nnue/nnue_accumulator.h
@@ -1,6 +1,6 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
-  Copyright (C) 2004-2020 The Stockfish developers (see AUTHORS file)
+  Copyright (C) 2004-2021 The Stockfish developers (see AUTHORS file)
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -23,15 +23,18 @@
 
 #include "nnue_architecture.h"
 
-namespace Eval::NNUE {
+namespace Stockfish::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 {
+  struct alignas(CacheLineSize) Accumulator {
     std::int16_t
-        accumulation[2][kRefreshTriggers.size()][kTransformedFeatureDimensions];
-    bool computed_accumulation;
+        accumulation[2][TransformedFeatureDimensions];
+    AccumulatorState state[2];
   };
 
-}  // namespace Eval::NNUE
+}  // namespace Stockfish::Eval::NNUE
 
 #endif // NNUE_ACCUMULATOR_H_INCLUDED