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