X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fevaluate.h;h=26661dca88af67726ef4fa794f4fd6aea460566d;hp=f09163a25430ba92166ef5c6a1092e19ccdaff3c;hb=20023ac9b8c28d8b15308d7bf5be4fad8501535d;hpb=d810441b359508577b736d7b6410190ba13078f5

diff --git a/src/evaluate.h b/src/evaluate.h
index f09163a2..26661dca 100644
--- a/src/evaluate.h
+++ b/src/evaluate.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) 2008-2013 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
@@ -17,61 +18,24 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#if !defined(EVALUATE_H_INCLUDED)
+#ifndef EVALUATE_H_INCLUDED
 #define EVALUATE_H_INCLUDED
 
-#include "material.h"
-#include "pawns.h"
+#include <string>
+
 #include "types.h"
 
 class Position;
 
 namespace Eval {
 
-// Struct Eval::Info contains various information computed and collected
-// by the evaluation functions.
-struct Info {
-
-  // Pointers to material and pawn hash table entries
-  Material::Entry* mi;
-  Pawns::Entry* pi;
-
-  // attackedBy[color][piece type] is a bitboard representing all squares
-  // attacked by a given color and piece type, attackedBy[color][ALL_PIECES]
-  // contains all squares attacked by the given color.
-  Bitboard attackedBy[COLOR_NB][PIECE_TYPE_NB];
-
-  // kingRing[color] is the zone around the king which is considered
-  // by the king safety evaluation. This consists of the squares directly
-  // adjacent to the king, and the three (or two, for a king on an edge file)
-  // squares two ranks in front of the king. For instance, if black's king
-  // is on g8, kingRing[BLACK] is a bitboard containing the squares f8, h8,
-  // f7, g7, h7, f6, g6 and h6.
-  Bitboard kingRing[COLOR_NB];
-
-  // kingAttackersCount[color] is the number of pieces of the given color
-  // which attack a square in the kingRing of the enemy king.
-  int kingAttackersCount[COLOR_NB];
-
-  // kingAttackersWeight[color] is the sum of the "weight" of the pieces of the
-  // given color which attack a square in the kingRing of the enemy king. The
-  // weights of the individual piece types are given by the variables
-  // QueenAttackWeight, RookAttackWeight, BishopAttackWeight and
-  // KnightAttackWeight in evaluate.cpp
-  int kingAttackersWeight[COLOR_NB];
-
-  // kingAdjacentZoneAttacksCount[color] is the number of attacks to squares
-  // directly adjacent to the king of the given color. Pieces which attack
-  // more than one square are counted multiple times. For instance, if black's
-  // king is on g8 and there's a white knight on g5, this knight adds
-  // 2 to kingAdjacentZoneAttacksCount[BLACK].
-  int kingAdjacentZoneAttacksCount[COLOR_NB];
-};
+const Value Tempo = Value(20); // Must be visible to search
 
-extern void init();
-extern Value evaluate(const Position& pos, Value& margin, Info* ei);
-extern std::string trace(const Position& pos);
+void init();
+std::string trace(const Position& pos);
 
+template<bool DoTrace = false>
+Value evaluate(const Position& pos);
 }
 
-#endif // !defined(EVALUATE_H_INCLUDED)
+#endif // #ifndef EVALUATE_H_INCLUDED