ceph/src/boost/libs/numeric/ublas/doc/samples/vector_slice_project.cpp

   1 //
   2 //  Copyright (c) 2000-2002
   3 //  Joerg Walter, Mathias Koch
   4 //
   5 //  Distributed under the Boost Software License, Version 1.0. (See
   6 //  accompanying file LICENSE_1_0.txt or copy at
   7 //  http://www.boost.org/LICENSE_1_0.txt)
   8 //
   9 //  The authors gratefully acknowledge the support of
  10 //  GeNeSys mbH & Co. KG in producing this work.
  11 //
  12
  13 #include <boost/numeric/ublas/vector.hpp>
  14 #include <boost/numeric/ublas/vector_proxy.hpp>
  15 #include <boost/numeric/ublas/io.hpp>
  16
  17 int main () {
  18     using namespace boost::numeric::ublas;
  19     vector<double> v (3);
  20     for (int i = 0; i < 3; ++ i)
  21         project (v, slice (0, 1, 3)) (i) = i;
  22     std::cout << project (v, slice (0, 1, 3)) << std::endl;
  23 }
  24