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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 | // | |
14 | // idxset1.cpp - testing the code for index_gen | |
15 | // | |
16 | ||
92f5a8d4 TL |
17 | #include <boost/multi_array/index_gen.hpp> |
18 | #include <boost/multi_array/index_range.hpp> | |
19 | #include <boost/multi_array/types.hpp> | |
20 | #include <boost/core/lightweight_test.hpp> | |
7c673cae | 21 | |
92f5a8d4 | 22 | #include <boost/array.hpp> |
7c673cae FG |
23 | |
24 | typedef boost::detail::multi_array::index index_type; | |
25 | typedef boost::detail::multi_array::size_type size_type; | |
26 | typedef boost::detail::multi_array::index_range<index_type,size_type> range; | |
27 | ||
28 | template <int NumRanges, int NumDims> | |
29 | void check(const boost::detail::multi_array:: | |
30 | index_gen<NumRanges,NumDims>&) { } | |
31 | ||
32 | bool operator==(const range& lhs,const range& rhs) { | |
33 | return lhs.start_ == rhs.start_ && | |
34 | lhs.finish_ == rhs.finish_ && | |
35 | lhs.stride_ == rhs.stride_ && | |
36 | lhs.degenerate_ == rhs.degenerate_; | |
37 | } | |
38 | ||
39 | int | |
92f5a8d4 | 40 | main() |
7c673cae FG |
41 | { |
42 | ||
43 | boost::detail::multi_array::index_gen<0,0> indices; | |
44 | ||
45 | ||
46 | check<1,1>(indices[range()]); | |
47 | check<2,2>(indices[range()][range()]); | |
48 | check<3,3>(indices[range()][range()][range()]); | |
49 | ||
50 | check<1,0>(indices[0]); | |
51 | check<2,0>(indices[0][0]); | |
52 | check<2,1>(indices[range()][0]); | |
53 | check<2,1>(indices[0][range()]); | |
54 | check<3,0>(indices[0][0][0]); | |
55 | check<3,1>(indices[range()][0][0]); | |
56 | check<3,1>(indices[0][range()][0]); | |
57 | check<3,1>(indices[0][0][range()]); | |
58 | check<3,2>(indices[range()][range()][0]); | |
59 | check<3,2>(indices[range()][0][range()]); | |
60 | check<3,2>(indices[0][range()][range()]); | |
61 | ||
62 | { | |
63 | boost::detail::multi_array::index_gen<3,3> is1 = | |
64 | indices[range(0,1,2)][range(1,2,3)][range(2,3,4)]; | |
92f5a8d4 TL |
65 | BOOST_TEST(is1.ranges_[0] == range(0,1,2)); |
66 | BOOST_TEST(is1.ranges_[1] == range(1,2,3)); | |
67 | BOOST_TEST(is1.ranges_[2] == range(2,3,4)); | |
7c673cae FG |
68 | } |
69 | ||
70 | { | |
71 | boost::detail::multi_array::index_gen<3,2> is2 = | |
72 | indices[range(0,1,2)][2][range(2,3,4)]; | |
92f5a8d4 TL |
73 | BOOST_TEST(is2.ranges_[0] == range(0,1,2)); |
74 | BOOST_TEST(is2.ranges_[1] == range(2)); | |
75 | BOOST_TEST(is2.ranges_[1].is_degenerate()); | |
76 | BOOST_TEST(is2.ranges_[2] == range(2,3,4)); | |
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77 | } |
78 | ||
92f5a8d4 | 79 | return boost::report_errors(); |
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80 | } |
81 |