1 // Copyright 2002 The Trustees of Indiana University.
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)
7 // Boost.MultiArray Library
8 // Authors: Ronald Garcia
11 // See http://www.boost.org/libs/multi_array for documentation.
13 #ifndef BOOST_EXTENT_GEN_RG071801_HPP
14 #define BOOST_EXTENT_GEN_RG071801_HPP
16 #include "boost/multi_array/extent_range.hpp"
17 #include "boost/multi_array/range_list.hpp"
18 #include "boost/multi_array/types.hpp"
19 #include "boost/array.hpp"
24 namespace multi_array {
27 template <std::size_t NumRanges>
30 typedef boost::detail::multi_array::index index;
31 typedef boost::detail::multi_array::size_type size_type;
33 typedef extent_range<index,size_type> range;
34 typedef typename range_list_generator<range,NumRanges>::type range_list;
36 template <std::size_t Ranges>
38 typedef extent_gen<Ranges> type;
45 // Used by operator[] to expand extent_gens
46 extent_gen(const extent_gen<NumRanges-1>& rhs,
49 std::copy(rhs.ranges_.begin(),rhs.ranges_.end(),ranges_.begin());
50 *ranges_.rbegin() = a_range;
53 extent_gen<NumRanges+1>
54 operator[](const range& a_range)
56 return extent_gen<NumRanges+1>(*this,a_range);
59 extent_gen<NumRanges+1>
62 return extent_gen<NumRanges+1>(*this,range(0,idx));
65 static extent_gen<0> extents() {
66 return extent_gen<0>();
70 } // namespace multi_array
75 #endif // BOOST_EXTENT_GEN_RG071801_HPP