author | William Roberts <williamr@symbian.org> |
Thu, 22 Jul 2010 16:48:56 +0100 | |
branch | GCC_SURGE |
changeset 45 | 4b03adbd26ca |
parent 0 | e4d67989cc36 |
permissions | -rw-r--r-- |
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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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// |
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// reshape.cpp - testing reshaping functionality |
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// |
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/* |
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* © Portions copyright (c) 2006-2007 Nokia Corporation. All rights reserved. |
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*/ |
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#include "boost/multi_array.hpp" |
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#include "boost/test/minimal.hpp" |
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#include "boost/array.hpp" |
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#include "boost/type.hpp" |
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#ifdef __SYMBIAN32__ |
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#include "std_log_result.h" |
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#define LOG_FILENAME_LINE __FILE__, __LINE__ |
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#endif |
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int |
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test_main(int,char*[]) |
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{ |
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const int ndims=3; |
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typedef boost::multi_array<int,ndims> array; |
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typedef boost::multi_array_ref<int,ndims> array_ref; |
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typedef boost::const_multi_array_ref<int,ndims> const_array_ref; |
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boost::array<array::size_type,ndims> dims = {{2,3,4}}; |
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boost::array<array::size_type,ndims> new_dims = {{4,3,2}}; |
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int data[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13, |
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14,15,16,17,18,19,20,21,22,23}; |
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const int data_size=24; |
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// Basic reshape test |
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{ |
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array A(dims); |
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A.assign(data,data+data_size); |
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array_ref B(data,dims); |
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const_array_ref C(data,dims); |
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A.reshape(new_dims); |
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B.reshape(new_dims); |
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C.reshape(new_dims); |
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int* ptr = data; |
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for (array::index i = 0; i != 4; ++i) |
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for (array::index j = 0; j != 3; ++j) |
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for (array::index k = 0; k != 2; ++k) { |
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BOOST_CHECK(A[i][j][k] == *ptr); |
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BOOST_CHECK(B[i][j][k] == *ptr); |
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BOOST_CHECK(C[i][j][k] == *ptr++); |
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} |
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} |
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// Ensure that index bases are preserved over reshape |
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{ |
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boost::array<array::index,ndims> bases = {{0, 1, -1}}; |
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array A(dims); |
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A.assign(data,data+data_size); |
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array_ref B(data,dims); |
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const_array_ref C(data,dims); |
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A.reindex(bases); |
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B.reindex(bases); |
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C.reindex(bases); |
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A.reshape(new_dims); |
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B.reshape(new_dims); |
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C.reshape(new_dims); |
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int* ptr = data; |
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for (array::index i = 0; i != 4; ++i) |
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for (array::index j = 1; j != 4; ++j) |
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for (array::index k = -1; k != 1; ++k) { |
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BOOST_CHECK(A[i][j][k] == *ptr); |
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BOOST_CHECK(B[i][j][k] == *ptr); |
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BOOST_CHECK(C[i][j][k] == *ptr++); |
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} |
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} |
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#ifdef __SYMBIAN32__ |
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if(boost::minimal_test::errors_counter() != 0) |
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assert_failed = true; |
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testResultXml("reshape"); |
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close_log_file(); |
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#endif |
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return boost::exit_success; |
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} |
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