vector_range.cpp

来自「Boost provides free peer-reviewed portab」· C++ 代码 · 共 26 行

//
//  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/vector.hpp>
#include <boost/numeric/ublas/vector_proxy.hpp>
#include <boost/numeric/ublas/io.hpp>

int main () {
    using namespace boost::numeric::ublas;
    vector<double> v (3);
    vector_range<vector<double> > vr (v, range (0, 3));
    for (unsigned i = 0; i < vr.size (); ++ i)
        vr (i) = i;
    std::cout << vr << std::endl;
}