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31 lines
951 B
C++
31 lines
951 B
C++
//
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// Copyright (c) 2000-2002
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// Joerg Walter, Mathias Koch
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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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//
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// The authors gratefully acknowledge the support of
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// GeNeSys mbH & Co. KG in producing this work.
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//
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#include <boost/numeric/ublas/symmetric.hpp>
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#include <boost/numeric/ublas/io.hpp>
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int main () {
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using namespace boost::numeric::ublas;
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matrix<double> m (3, 3);
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symmetric_adaptor<matrix<double>, lower> sal (m);
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for (unsigned i = 0; i < sal.size1 (); ++ i)
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for (unsigned j = 0; j <= i; ++ j)
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sal (i, j) = 3 * i + j;
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std::cout << sal << std::endl;
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symmetric_adaptor<matrix<double>, upper> sau (m);
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for (unsigned i = 0; i < sau.size1 (); ++ i)
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for (unsigned j = i; j < sau.size2 (); ++ j)
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sau (i, j) = 3 * i + j;
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std::cout << sau << std::endl;
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}
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