// // Copyright (c) 2000-2002 // Joerg Walter, Mathias Koch // // Permission to use, copy, modify, distribute and sell this software // and its documentation for any purpose is hereby granted without fee, // provided that the above copyright notice appear in all copies and // that both that copyright notice and this permission notice appear // in supporting documentation. The authors make no representations // about the suitability of this software for any purpose. // It is provided "as is" without express or implied warranty. // // The authors gratefully acknowledge the support of // GeNeSys mbH & Co. KG in producing this work. // #include <boost/numeric/ublas/symmetric.hpp> #include <boost/numeric/ublas/io.hpp> int main () { using namespace boost::numeric::ublas; matrix<double> m (3, 3); symmetric_adaptor<matrix<double>, lower> sal (m); for (unsigned i = 0; i < sal.size1 (); ++ i) for (unsigned j = 0; j <= i; ++ j) sal (i, j) = 3 * i + j; std::cout << sal << std::endl; symmetric_adaptor<matrix<double>, upper> sau (m); for (unsigned i = 0; i < sau.size1 (); ++ i) for (unsigned j = i; j < sau.size2 (); ++ j) sau (i, j) = 3 * i + j; std::cout << sau << std::endl; }