| // 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. |
| |
| // |
| // reverse_view.cpp - a small test of creating a view with negative strides |
| // |
| |
| #include "boost/multi_array.hpp" |
| #include "boost/test/minimal.hpp" |
| #include "boost/array.hpp" |
| |
| int |
| test_main(int,char*[]) |
| { |
| using namespace boost; |
| |
| |
| // One-dimensional array with views |
| double data[] = { 1, 2, 3, 4 }; |
| double rdata[] = { 4, 3, 2, 1 }; |
| |
| typedef multi_array< double, 1 > array; |
| array A(extents[4]); |
| A.assign(data,data+4); |
| |
| typedef array::index_range range; |
| array::array_view<1>::type B = A[indices[range(3, -1, -1)]]; |
| |
| for(multi_array_types::size_type i = 0; i != B.size(); ++i) { |
| BOOST_CHECK(B[i] == rdata[i]); |
| } |
| |
| return boost::exit_success; |
| } |