source: NonGTP/Boost/boost/multi_array/extent_range.hpp @ 857

Revision 857, 1.3 KB checked in by igarcia, 19 years ago (diff)
RevLine 
[857]1// Copyright 2002 The Trustees of Indiana University.
2
3// Use, modification and distribution is subject to the Boost Software
4// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
5// http://www.boost.org/LICENSE_1_0.txt)
6
7//  Boost.MultiArray Library
8//  Authors: Ronald Garcia
9//           Jeremy Siek
10//           Andrew Lumsdaine
11//  See http://www.boost.org/libs/multi_array for documentation.
12
13#ifndef BOOST_EXTENT_RANGE_RG071801_HPP
14#define BOOST_EXTENT_RANGE_RG071801_HPP
15
16#include <utility>
17
18namespace boost {
19namespace detail {
20namespace multi_array {
21
22template <typename Extent, typename SizeType>
23class extent_range : private std::pair<Extent,Extent> {
24  typedef std::pair<Extent,Extent> super_type;
25public:
26  typedef Extent index;
27  typedef SizeType size_type;
28
29  extent_range(index start, index finish) :
30    super_type(start,finish) { }
31
32  extent_range(index finish) :
33    super_type(0,finish) { }
34
35  extent_range() : super_type(0,0) { }
36
37  index start() const { return super_type::first; }
38
39  index finish() const { return super_type::second; }
40
41  size_type size() const { return super_type::second - super_type::first; }
42};
43
44} // namespace multi_array
45} // namespace detail
46} // namespace boost
47
48
49#endif // BOOST_EXTENT_RANGE_RG071801_HPP
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