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#include "boost/numeric/ublas/matrix_sparse.hpp"
#define BOOST_TEST_MODULE SparseMatrixErasureTest
#include <boost/test/included/unit_test.hpp>
BOOST_AUTO_TEST_CASE( compressed_matrix_erase_after_end )
{
boost::numeric::ublas::compressed_matrix<int, boost::numeric::ublas::row_major > A(2, 2);
BOOST_CHECK_EQUAL( A.filled1(), 1 );
BOOST_CHECK_EQUAL( A.index1_data()[0], 0 );
A(0,0) = 1;
BOOST_CHECK_EQUAL( A.nnz(), 1 );
BOOST_CHECK_EQUAL( A.filled1(), 2 );
// check new element
BOOST_CHECK_EQUAL( A.index1_data()[0], 0 );
BOOST_CHECK_EQUAL( A.index2_data()[0], 0 );
BOOST_CHECK_EQUAL( A.value_data()[0], 1 );
// check end of list marker
BOOST_CHECK_EQUAL( A.index1_data()[1], 1 );
A.erase_element(1,0);
BOOST_CHECK_EQUAL( A.nnz(), 1 );
BOOST_CHECK_EQUAL( A.filled1(), 2 );
BOOST_CHECK_EQUAL( A.filled2(), 1 );
// check new element
BOOST_CHECK_EQUAL( A.index1_data()[0], 0 );
BOOST_CHECK_EQUAL( A.index2_data()[0], 0 );
BOOST_CHECK_EQUAL( A.value_data()[0], 1 );
// check end of list marker
BOOST_CHECK_EQUAL( A.index1_data()[1], 1 );
A.erase_element(0,0);
BOOST_CHECK_EQUAL( A.nnz(), 0 );
BOOST_CHECK_EQUAL( A.filled1(), 2 );
BOOST_CHECK_EQUAL( A.filled2(), 0 );
BOOST_CHECK_EQUAL( A.index1_data()[0], 0 );
}
BOOST_AUTO_TEST_CASE( compressed_matrix_erase_in_the_middle )
{
boost::numeric::ublas::compressed_matrix<int, boost::numeric::ublas::row_major > A(2, 2);
BOOST_CHECK_EQUAL( A.filled1(), 1 );
BOOST_CHECK_EQUAL( A.filled2(), 0 );
BOOST_CHECK_EQUAL( A.index1_data()[0], 0 );
A.insert_element(0,1,5);
BOOST_CHECK_EQUAL( A.filled1(), 2 );
BOOST_CHECK_EQUAL( A.filled2(), 1 );
// check new element
BOOST_CHECK_EQUAL( A.index1_data()[0], 0 );
BOOST_CHECK_EQUAL( A.index2_data()[0], 1 );
BOOST_CHECK_EQUAL( A.value_data()[0], 5 );
// check end of list marker
BOOST_CHECK_EQUAL( A.index1_data()[1], 1 );
A.insert_element(0,0,4);
BOOST_CHECK_EQUAL( A.filled1(), 2 );
BOOST_CHECK_EQUAL( A.filled2(), 2 );
// check new element
BOOST_CHECK_EQUAL( A.index2_data()[0], 0 );
BOOST_CHECK_EQUAL( A.value_data()[0], 4 );
// check previous element
BOOST_CHECK_EQUAL( A.index2_data()[1], 1 );
BOOST_CHECK_EQUAL( A.value_data()[1], 5 );
// check end of list marker
BOOST_CHECK_EQUAL( A.index1_data()[1], 2 );
A.erase_element(0,0);
BOOST_CHECK_EQUAL( A.filled1(), 2 );
BOOST_CHECK_EQUAL( A.filled2(), 1 );
BOOST_CHECK_EQUAL( A.index2_data()[0], 1 );
BOOST_CHECK_EQUAL( A.value_data()[0], 5 );
BOOST_CHECK_EQUAL( A.index1_data()[0], 0 );
BOOST_CHECK_EQUAL( A.index1_data()[1], 1 );
A.erase_element(0,1);
BOOST_CHECK_EQUAL( A.filled1(), 2 );
BOOST_CHECK_EQUAL( A.filled2(), 0 );
BOOST_CHECK_EQUAL( A.index1_data()[0], 0 );
BOOST_CHECK_EQUAL( A.index1_data()[1], 0 );
}
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