// // Copyright (c) 2000-2002 // Joerg Walter, Mathias Koch // // Distributed under the Boost Software License, Version 1.0. (See // accompanying file LICENSE_1_0.txt or copy at // http://www.boost.org/LICENSE_1_0.txt) // // The authors gratefully acknowledge the support of // GeNeSys mbH & Co. KG in producing this work. // #include <boost/numeric/ublas/triangular.hpp> #include <boost/numeric/ublas/io.hpp> int main () { using namespace boost::numeric::ublas; matrix<double> m (3, 3); triangular_adaptor<matrix<double>, lower> tal (m); for (unsigned i = 0; i < tal.size1 (); ++ i) for (unsigned j = 0; j <= i; ++ j) tal (i, j) = 3 * i + j; std::cout << tal << std::endl; triangular_adaptor<matrix<double>, upper> tau (m); for (unsigned i = 0; i < tau.size1 (); ++ i) for (unsigned j = i; j < tau.size2 (); ++ j) tau (i, j) = 3 * i + j; std::cout << tau << std::endl; }