Smooth improving

[stockfish] / src / material.h

diff --git a/src/material.h b/src/material.h
index 56de9ad225022bb29db03ceed4c9f2d101da92a1..26535a535afb295bdcbcfe6bfe66664ff4b2a6e6 100644 (file)
--- a/src/material.h
+++ b/src/material.h
@@ -1,8 +1,6 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
-  Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
-  Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
-  Copyright (C) 2015-2019 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
+  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
@@ -26,7 +24,7 @@
 #include "position.h"
 #include "types.h"
 
-namespace Material {
+namespace Stockfish::Material {
 
 /// Material::Entry contains various information about a material configuration.
 /// It contains a material imbalance evaluation, a function pointer to a special
@@ -39,12 +37,12 @@ namespace Material {
 
 struct Entry {
 
-  Score imbalance() const { return make_score(value, value); }
-  Phase game_phase() const { return gamePhase; }
+  Score imbalance() const { return score; }
+  Phase game_phase() const { return (Phase)gamePhase; }
   bool specialized_eval_exists() const { return evaluationFunction != nullptr; }
   Value evaluate(const Position& pos) const { return (*evaluationFunction)(pos); }
 
-  // scale_factor takes a position and a color as input and returns a scale factor
+  // scale_factor() takes a position and a color as input and returns a scale factor
   // for the given color. We have to provide the position in addition to the color
   // because the scale factor may also be a function which should be applied to
   // the position. For instance, in KBP vs K endgames, the scaling function looks
@@ -58,16 +56,16 @@ struct Entry {
   Key key;
   const EndgameBase<Value>* evaluationFunction;
   const EndgameBase<ScaleFactor>* scalingFunction[COLOR_NB]; // Could be one for each
-                                                             // side (e.g. KPKP, KBPsKs)
-  int16_t value;
+                                                             // side (e.g. KPKP, KBPsK)
+  Score score;
+  int16_t gamePhase;
   uint8_t factor[COLOR_NB];
-  Phase gamePhase;
 };
 
 typedef HashTable<Entry, 8192> Table;
 
 Entry* probe(const Position& pos);
 
-} // namespace Material
+} // namespace Stockfish::Material
 
 #endif // #ifndef MATERIAL_H_INCLUDED