utility

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/*	Copyright (C) 2004 Garrett A. Kajmowicz
	This file is part of the uClibc++ Library.

	This library is free software; you can redistribute it and/or
	modify it under the terms of the GNU Lesser General Public
	License as published by the Free Software Foundation; either
	version 2.1 of the License, or (at your option) any later version.

	This library is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
	Lesser General Public License for more details.

	You should have received a copy of the GNU Lesser General Public
	License along with this library; if not, write to the Free Software
	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/


#include "basic_definitions"


#ifndef __STD_HEADER_UTILITY
#define __STD_HEADER_UTILITY 1


namespace std{

	namespace rel_ops {
		template<class T> inline bool operator!=(const T& x, const T& y){
			return !(x == y);
		}

		template<class T> inline bool operator> (const T& x, const T& y){
			return ( y < x);
		}

		template<class T> inline bool operator<=(const T& x, const T& y){
			return !( y < x );
		}

		template<class T> inline bool operator>=(const T& x, const T& y){
			return !(x < y);
		}
	}

	template <class T1, class T2> struct _UCXXEXPORT pair {
		typedef T1 first_type;
		typedef T2 second_type;

		T1 first;
		T2 second;
		pair() : first(T1()), second(T2()) {  }
		pair(const T1& x, const T2& y) : first(x), second(y) {  }
		template<class U, class V> pair(const pair<U, V> &p) : first(p.first), second(p.second) { }
	};
	
	template <class T1, class T2> bool operator==(const pair<T1,T2>& x, const pair<T1,T2>& y){
		using namespace rel_ops;
		return (x.first == y.first && x.second==y.second);
	}
	template <class T1, class T2> bool operator< (const pair<T1,T2>& x, const pair<T1,T2>& y){
		return x.first < y.first || (!(y.first < x.first) && x.second < y.second);
	}
	template <class T1, class T2> bool operator!=(const pair<T1,T2>& x, const pair<T1,T2>& y){
		return !(x == y);
	}
	template <class T1, class T2> bool operator> (const pair<T1,T2>& x, const pair<T1,T2>& y){
		return y < x;
	}
	template <class T1, class T2> bool operator>=(const pair<T1,T2>& x, const pair<T1,T2>& y){
		return !(x < y);
	}
	template <class T1, class T2> bool operator<=(const pair<T1,T2>& x, const pair<T1,T2>& y){
		return !(y < x);
	}
	template <class T1, class T2> pair<T1,T2> make_pair(const T1& x, const T2& y){
		return pair<T1,T2>(x, y);
	}


}


#endif	//__STD_HEADER_UTILITY