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- // 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.
- //
- // idxset1.cpp - testing the code for index_gen
- //
- #include <boost/multi_array/index_gen.hpp>
- #include <boost/multi_array/index_range.hpp>
- #include <boost/multi_array/types.hpp>
- #include <boost/core/lightweight_test.hpp>
- #include <boost/array.hpp>
- typedef boost::detail::multi_array::index index_type;
- typedef boost::detail::multi_array::size_type size_type;
- typedef boost::detail::multi_array::index_range<index_type,size_type> range;
- template <int NumRanges, int NumDims>
- void check(const boost::detail::multi_array::
- index_gen<NumRanges,NumDims>&) { }
- bool operator==(const range& lhs,const range& rhs) {
- return lhs.start_ == rhs.start_ &&
- lhs.finish_ == rhs.finish_ &&
- lhs.stride_ == rhs.stride_ &&
- lhs.degenerate_ == rhs.degenerate_;
- }
- int
- main()
- {
- boost::detail::multi_array::index_gen<0,0> indices;
- check<1,1>(indices[range()]);
- check<2,2>(indices[range()][range()]);
- check<3,3>(indices[range()][range()][range()]);
- check<1,0>(indices[0]);
- check<2,0>(indices[0][0]);
- check<2,1>(indices[range()][0]);
- check<2,1>(indices[0][range()]);
- check<3,0>(indices[0][0][0]);
- check<3,1>(indices[range()][0][0]);
- check<3,1>(indices[0][range()][0]);
- check<3,1>(indices[0][0][range()]);
- check<3,2>(indices[range()][range()][0]);
- check<3,2>(indices[range()][0][range()]);
- check<3,2>(indices[0][range()][range()]);
- {
- boost::detail::multi_array::index_gen<3,3> is1 =
- indices[range(0,1,2)][range(1,2,3)][range(2,3,4)];
- BOOST_TEST(is1.ranges_[0] == range(0,1,2));
- BOOST_TEST(is1.ranges_[1] == range(1,2,3));
- BOOST_TEST(is1.ranges_[2] == range(2,3,4));
- }
- {
- boost::detail::multi_array::index_gen<3,2> is2 =
- indices[range(0,1,2)][2][range(2,3,4)];
- BOOST_TEST(is2.ranges_[0] == range(0,1,2));
- BOOST_TEST(is2.ranges_[1] == range(2));
- BOOST_TEST(is2.ranges_[1].is_degenerate());
- BOOST_TEST(is2.ranges_[2] == range(2,3,4));
- }
- return boost::report_errors();
- }
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