X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fendgame.h;h=89b5ca4dab85fcd9b1024495b873e0973d1a8dc3;hp=43a685572aa710f15c5a9da2b037ddb23309d175;hb=a98dee783582c84ca2647ca28daad0c9a13d1d35;hpb=aa925a0e2905042a978860a75798398cb79b2600 diff --git a/src/endgame.h b/src/endgame.h index 43a68557..89b5ca4d 100644 --- a/src/endgame.h +++ b/src/endgame.h @@ -1,7 +1,7 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) - Copyright (C) 2008-2009 Marco Costalba + Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, 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 @@ -26,7 +26,6 @@ //// #include "position.h" -#include "scale.h" #include "value.h" @@ -49,8 +48,8 @@ enum EndgameType { KmmKm, // K and two minors vs K and one or two minors // Scaling functions - KBPK, // KBP vs K - KQKRP, // KQ vs KRP + KBPsK, // KB+pawns vs K + KQKRPs, // KQ vs KR+pawns KRPKR, // KRP vs KR KRPPKRP, // KRPP vs KRP KPsK, // King and pawns vs king @@ -68,7 +67,7 @@ class EndgameFunctionBase { public: EndgameFunctionBase(Color c) : strongerSide(c), weakerSide(opposite_color(c)) {} virtual ~EndgameFunctionBase() {} - virtual T apply(const Position&) = 0; + virtual T apply(const Position&) const = 0; Color color() const { return strongerSide; } protected: @@ -85,14 +84,14 @@ template struct EvaluationFunction : public EndgameEvaluationFunctionBase { typedef EndgameEvaluationFunctionBase Base; explicit EvaluationFunction(Color c): EndgameEvaluationFunctionBase(c) {} - Value apply(const Position&); + Value apply(const Position&) const; }; template struct ScalingFunction : public EndgameScalingFunctionBase { typedef EndgameScalingFunctionBase Base; explicit ScalingFunction(Color c) : EndgameScalingFunctionBase(c) {} - ScaleFactor apply(const Position&); + ScaleFactor apply(const Position&) const; };