63e88f80
 Hu Chunming
提交三方库
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/*-----------------------------------------------------------------------------+
Copyright (c) 2010-2010: Joachim Faulhaber
+------------------------------------------------------------------------------+
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENCE.txt or copy at
http://www.boost.org/LICENSE_1_0.txt)
+-----------------------------------------------------------------------------*/
#ifndef BOOST_ICL_INTERVAL_TRAITS_HPP_JOFA_100926
#define BOOST_ICL_INTERVAL_TRAITS_HPP_JOFA_100926
#include <boost/icl/type_traits/domain_type_of.hpp>
#include <boost/icl/type_traits/difference_type_of.hpp>
#include <boost/icl/type_traits/size_type_of.hpp>
namespace boost{ namespace icl
{
template<class Type> struct interval_traits;
template<class Type>
struct domain_type_of<interval_traits<Type> >
{
typedef typename interval_traits<Type>::domain_type type;
};
//------------------------------------------------------------------------------
//- Adapter class
//------------------------------------------------------------------------------
template<class Type> struct interval_traits
{
typedef interval_traits type;
typedef typename domain_type_of<Type>::type domain_type;
static Type construct(const domain_type& lo, const domain_type& up);
static domain_type upper(const Type& inter_val);
static domain_type lower(const Type& inter_val);
};
template<class Type>
struct difference_type_of<interval_traits<Type> >
{
typedef typename interval_traits<Type>::domain_type domain_type;
typedef typename difference_type_of<domain_type>::type type;
};
template<class Type>
struct size_type_of<interval_traits<Type> >
{
typedef typename interval_traits<Type>::domain_type domain_type;
typedef typename size_type_of<domain_type>::type type;
};
}} // namespace boost icl
#endif
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