ublas/doc/samples/banded_adaptor.cpp
2007-09-18 17:19:41 +00:00

26 lines
777 B
C++

//
// 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/banded.hpp>
#include <boost/numeric/ublas/io.hpp>
int main () {
using namespace boost::numeric::ublas;
matrix<double> m (3, 3);
banded_adaptor<matrix<double> > ba (m, 1, 1);
for (signed i = 0; i < signed (ba.size1 ()); ++ i)
for (signed j = (std::max) (i - 1, 0); j < (std::min) (i + 2, signed (ba.size2 ())); ++ j)
ba (i, j) = 3 * i + j;
std::cout << ba << std::endl;
}