/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad
+ Copyright (C) 2008-2012 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
#if !defined(ENDGAME_H_INCLUDED)
#define ENDGAME_H_INCLUDED
-#include <string>
#include <map>
+#include <string>
#include "position.h"
#include "types.h"
virtual ~EndgameBase() {}
virtual Color color() const = 0;
- virtual T apply(const Position&) const = 0;
+ virtual T operator()(const Position&) const = 0;
};
template<EndgameType E, typename T = typename eg_family<E>::type>
struct Endgame : public EndgameBase<T> {
- explicit Endgame(Color c) : strongerSide(c), weakerSide(flip(c)) {}
+ explicit Endgame(Color c) : strongerSide(c), weakerSide(~c) {}
Color color() const { return strongerSide; }
- T apply(const Position&) const;
+ T operator()(const Position&) const;
private:
Color strongerSide, weakerSide;
/// Endgames class stores in two std::map the pointers to endgame evaluation
/// and scaling base objects. Then we use polymorphism to invoke the actual
-/// endgame function calling its apply() method that is virtual.
+/// endgame function calling its operator() method that is virtual.
+
+class Endgames {
-struct Endgames {
+ typedef std::map<Key, EndgameBase<Value>*> M1;
+ typedef std::map<Key, EndgameBase<ScaleFactor>*> M2;
+
+ M1 m1;
+ M2 m2;
- template<typename T>
- struct Map { typedef std::map<Key, EndgameBase<T>*> type; };
+ M1& map(Value*) { return m1; }
+ M2& map(ScaleFactor*) { return m2; }
- typedef Map<Value>::type M1;
- typedef Map<ScaleFactor>::type M2;
+ template<EndgameType E> void add(const std::string& code);
+public:
Endgames();
~Endgames();
- template<typename T>
- EndgameBase<T>* get(Key key) const {
-
- typedef typename Map<T>::type M;
- typename M::const_iterator it = map<M>().find(key);
- return it != map<M>().end() ? it->second : NULL;
+ template<typename T> EndgameBase<T>* get(Key key) {
+ return map((T*)0).count(key) ? map((T*)0)[key] : NULL;
}
-
-private:
- template<EndgameType E> void add(const std::string& keyCode);
- template<typename M> const M& map() const;
-
- M1 m1;
- M2 m2;
};
#endif // !defined(ENDGAME_H_INCLUDED)