X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fpawns.h;h=c2f5fc0d34ba51138df1d575b7eacddfcf712edd;hp=6124246229696291b3cfa162ba7cc1f87e83c374;hb=7c5d724724e826ff1fd9a97c8812d5a4bffaaa84;hpb=7ff865b924a5027ab3ecb5a6525ad165262fe3c2

diff --git a/src/pawns.h b/src/pawns.h
index 61242462..c2f5fc0d 100644
--- a/src/pawns.h
+++ b/src/pawns.h
@@ -1,7 +1,8 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
   Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
-  Copyright (C) 2008-2014 Marco Costalba, Joona Kiiski, Tord Romstad
+  Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
+  Copyright (C) 2015-2016 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -32,10 +33,12 @@ namespace Pawns {
 
 struct Entry {
 
-  Score pawns_value() const { return value; }
+  Score pawns_score() const { return score; }
   Bitboard pawn_attacks(Color c) const { return pawnAttacks[c]; }
   Bitboard passed_pawns(Color c) const { return passedPawns[c]; }
-  Bitboard candidate_pawns(Color c) const { return candidatePawns[c]; }
+  Bitboard pawn_attacks_span(Color c) const { return pawnAttacksSpan[c]; }
+  int pawn_span(Color c) const { return pawnSpan[c]; }
+  int pawn_asymmetry() const { return asymmetry; }
 
   int semiopen_file(Color c, File f) const {
     return semiopenFiles[c] & (1 << f);
@@ -45,16 +48,12 @@ struct Entry {
     return semiopenFiles[c] & (leftSide ? (1 << f) - 1 : ~((1 << (f + 1)) - 1));
   }
 
-  int pawn_span(Color c) const {
-    return pawnSpan[c];
-  }
-
   int pawns_on_same_color_squares(Color c, Square s) const {
     return pawnsOnSquares[c][!!(DarkSquares & s)];
   }
 
   template<Color Us>
-  Score king_safety(const Position& pos, Square ksq)  {
+  Score king_safety(const Position& pos, Square ksq) {
     return  kingSquares[Us] == ksq && castlingRights[Us] == pos.can_castle(Us)
           ? kingSafety[Us] : (kingSafety[Us] = do_king_safety<Us>(pos, ksq));
   }
@@ -66,23 +65,23 @@ struct Entry {
   Value shelter_storm(const Position& pos, Square ksq);
 
   Key key;
-  Score value;
+  Score score;
   Bitboard passedPawns[COLOR_NB];
-  Bitboard candidatePawns[COLOR_NB];
   Bitboard pawnAttacks[COLOR_NB];
+  Bitboard pawnAttacksSpan[COLOR_NB];
   Square kingSquares[COLOR_NB];
   Score kingSafety[COLOR_NB];
-  int minKPdistance[COLOR_NB];
   int castlingRights[COLOR_NB];
   int semiopenFiles[COLOR_NB];
   int pawnSpan[COLOR_NB];
   int pawnsOnSquares[COLOR_NB][COLOR_NB]; // [color][light/dark squares]
+  int asymmetry;
 };
 
 typedef HashTable<Entry, 16384> Table;
 
 void init();
-Entry* probe(const Position& pos, Table& entries);
+Entry* probe(const Position& pos);
 
 } // namespace Pawns