Chris@16: // Copyright 2002 The Trustees of Indiana University.
Chris@16: 
Chris@16: // Use, modification and distribution is subject to the Boost Software 
Chris@16: // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: //  Boost.MultiArray Library
Chris@16: //  Authors: Ronald Garcia
Chris@16: //           Jeremy Siek
Chris@16: //           Andrew Lumsdaine
Chris@16: //  See http://www.boost.org/libs/multi_array for documentation.
Chris@16: 
Chris@16: #ifndef BOOST_EXTENT_RANGE_RG071801_HPP
Chris@16: #define BOOST_EXTENT_RANGE_RG071801_HPP
Chris@16: 
Chris@16: #include <utility>
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace detail {
Chris@16: namespace multi_array {
Chris@16: 
Chris@16: template <typename Extent, typename SizeType>
Chris@16: class extent_range : private std::pair<Extent,Extent> {
Chris@16:   typedef std::pair<Extent,Extent> super_type;
Chris@16: public:
Chris@16:   typedef Extent index;
Chris@16:   typedef SizeType size_type;
Chris@16: 
Chris@16:   extent_range(index start, index finish) :
Chris@16:     super_type(start,finish) { }
Chris@16: 
Chris@16:   extent_range(index finish) :
Chris@16:     super_type(0,finish) { }
Chris@16: 
Chris@16:   extent_range() : super_type(0,0) { }
Chris@16: 
Chris@16:   index start() const { return super_type::first; }
Chris@16: 
Chris@16:   index finish() const { return super_type::second; }
Chris@16: 
Chris@16:   size_type size() const { return super_type::second - super_type::first; }
Chris@16: };
Chris@16: 
Chris@16: } // namespace multi_array
Chris@16: } // namespace detail 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: 
Chris@16: #endif // BOOST_EXTENT_RANGE_RG071801_HPP