| 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 | // access.cpp - operator[] and operator() tests with various arrays |
| 15 | // The tests assume that they are working on an Array of shape 2x3x4 |
| 16 | // |
| 17 | |
| 18 | #include "generative_tests.hpp" |
| 19 | #include <boost/static_assert.hpp> |
| 20 | |
| 21 | template <typename Array> |
| 22 | void access(Array& A, const mutable_array_tag&) { |
| 23 | assign(A); |
| 24 | access(A,const_array_tag()); |
| 25 | |
| 26 | const Array& CA = A; |
| 27 | access(CA,const_array_tag()); |
| 28 | } |
| 29 | |
| 30 | template <typename Array> |
| 31 | void access(Array& A, const const_array_tag&) { |
| 32 | const unsigned int ndims = 3; |
| 33 | BOOST_STATIC_ASSERT((Array::dimensionality == ndims)); |
| 34 | typedef typename Array::index index; |
| 35 | const index idx0 = A.index_bases()[0]; |
| 36 | const index idx1 = A.index_bases()[1]; |
| 37 | const index idx2 = A.index_bases()[2]; |
| 38 | |
| 39 | // operator[] |
| 40 | int cnum = 0; |
| 41 | const Array& CA = A; |
| 42 | for (index i = idx0; i != idx0+2; ++i) |
| 43 | for (index j = idx1; j != idx1+3; ++j) |
| 44 | for (index k = idx2; k != idx2+4; ++k) { |
| 45 | BOOST_TEST(A[i][j][k] == cnum++); |
| 46 | BOOST_TEST(CA[i][j][k] == A[i][j][k]); |
| 47 | } |
| 48 | |
| 49 | // operator() |
| 50 | for (index i2 = idx0; i2 != idx0+2; ++i2) |
| 51 | for (index j2 = idx1; j2 != idx1+3; ++j2) |
| 52 | for (index k2 = idx2; k2 != idx2+4; ++k2) { |
| 53 | boost::array<index,ndims> indices; |
| 54 | indices[0] = i2; indices[1] = j2; indices[2] = k2; |
| 55 | BOOST_TEST(A(indices) == A[i2][j2][k2]); |
| 56 | BOOST_TEST(CA(indices) == A(indices)); |
| 57 | } |
| 58 | ++tests_run; |
| 59 | } |
| 60 | |
| 61 | int main() { |
| 62 | return run_generative_tests(); |
| 63 | } |
| 64 |