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