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107 lines
3.6 KiB
C++
107 lines
3.6 KiB
C++
// Copyright (c) 2011 David Bellot
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// 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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#include <boost/numeric/ublas/matrix_sparse.hpp>
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#define BOOST_TEST_MODULE SparseMatrixErasureTest
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#include <boost/test/included/unit_test.hpp>
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BOOST_AUTO_TEST_CASE( compressed_matrix_erase_after_end )
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{
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boost::numeric::ublas::compressed_matrix<int, boost::numeric::ublas::row_major > A(2, 2);
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BOOST_CHECK_EQUAL( A.filled1(), (std::size_t) 1 );
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BOOST_CHECK_EQUAL( A.index1_data()[0], (std::size_t) 0 );
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A(0,0) = 1;
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BOOST_CHECK_EQUAL( A.nnz(), (std::size_t) 1 );
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BOOST_CHECK_EQUAL( A.filled1(), (std::size_t) 2 );
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// check new element
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BOOST_CHECK_EQUAL( A.index1_data()[0], (std::size_t) 0 );
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BOOST_CHECK_EQUAL( A.index2_data()[0], (std::size_t) 0 );
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BOOST_CHECK_EQUAL( A.value_data()[0], 1 );
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// check end of list marker
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BOOST_CHECK_EQUAL( A.index1_data()[1], (std::size_t) 1 );
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A.erase_element(1,0);
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BOOST_CHECK_EQUAL( A.nnz(), (std::size_t) 1 );
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BOOST_CHECK_EQUAL( A.filled1(), (std::size_t) 2 );
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BOOST_CHECK_EQUAL( A.filled2(), (std::size_t) 1 );
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// check new element
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BOOST_CHECK_EQUAL( A.index1_data()[0], (std::size_t) 0 );
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BOOST_CHECK_EQUAL( A.index2_data()[0], (std::size_t) 0 );
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BOOST_CHECK_EQUAL( A.value_data()[0], 1 );
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// check end of list marker
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BOOST_CHECK_EQUAL( A.index1_data()[1], (std::size_t) 1 );
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A.erase_element(0,0);
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BOOST_CHECK_EQUAL( A.nnz(), (std::size_t) 0 );
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BOOST_CHECK_EQUAL( A.filled1(), (std::size_t) 2 );
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BOOST_CHECK_EQUAL( A.filled2(),(std::size_t) 0 );
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BOOST_CHECK_EQUAL( A.index1_data()[0], (std::size_t) 0 );
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}
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BOOST_AUTO_TEST_CASE( compressed_matrix_erase_in_the_middle )
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{
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boost::numeric::ublas::compressed_matrix<int, boost::numeric::ublas::row_major > A(2, 2);
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BOOST_CHECK_EQUAL( A.filled1(), (std::size_t) 1 );
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BOOST_CHECK_EQUAL( A.filled2(), (std::size_t) 0 );
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BOOST_CHECK_EQUAL( A.index1_data()[0], (std::size_t) 0 );
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A.insert_element(0,1,5);
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BOOST_CHECK_EQUAL( A.filled1(), (std::size_t) 2 );
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BOOST_CHECK_EQUAL( A.filled2(), (std::size_t) 1 );
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// check new element
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BOOST_CHECK_EQUAL( A.index1_data()[0], (std::size_t) 0 );
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BOOST_CHECK_EQUAL( A.index2_data()[0], (std::size_t) 1 );
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BOOST_CHECK_EQUAL( A.value_data()[0], 5 );
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// check end of list marker
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BOOST_CHECK_EQUAL( A.index1_data()[1], (std::size_t) 1 );
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A.insert_element(0,0,4);
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BOOST_CHECK_EQUAL( A.filled1(), (std::size_t) 2 );
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BOOST_CHECK_EQUAL( A.filled2(), (std::size_t) 2 );
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// check new element
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BOOST_CHECK_EQUAL( A.index2_data()[0], (std::size_t) 0 );
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BOOST_CHECK_EQUAL( A.value_data()[0], 4 );
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// check previous element
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BOOST_CHECK_EQUAL( A.index2_data()[1], (std::size_t) 1 );
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BOOST_CHECK_EQUAL( A.value_data()[1], 5 );
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// check end of list marker
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BOOST_CHECK_EQUAL( A.index1_data()[1], (std::size_t) 2 );
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A.erase_element(0,0);
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BOOST_CHECK_EQUAL( A.filled1(), (std::size_t) 2 );
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BOOST_CHECK_EQUAL( A.filled2(), (std::size_t) 1 );
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BOOST_CHECK_EQUAL( A.index2_data()[0], (std::size_t) 1 );
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BOOST_CHECK_EQUAL( A.value_data()[0], 5 );
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BOOST_CHECK_EQUAL( A.index1_data()[0], (std::size_t) 0 );
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BOOST_CHECK_EQUAL( A.index1_data()[1], (std::size_t) 1 );
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A.erase_element(0,1);
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BOOST_CHECK_EQUAL( A.filled1(), (std::size_t) 2 );
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BOOST_CHECK_EQUAL( A.filled2(), (std::size_t) 0 );
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BOOST_CHECK_EQUAL( A.index1_data()[0], (std::size_t) 0 );
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BOOST_CHECK_EQUAL( A.index1_data()[1], (std::size_t) 0 );
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}
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