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dft_tools/test/triqs/arrays/cross_construct.cpp

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/*******************************************************************************
*
* TRIQS: a Toolbox for Research in Interacting Quantum Systems
*
* Copyright (C) 2011 by O. Parcollet
*
* TRIQS is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* TRIQS is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* TRIQS. If not, see <http://www.gnu.org/licenses/>.
*
******************************************************************************/
#include "./common.hpp"
#include "./src/array.hpp"
#include "./src/matrix.hpp"
#include "./src/vector.hpp"
#include <iostream>
using namespace triqs::arrays;
int main(int argc, char **argv) {
array<long,2> A (2,3);
for (int i =0; i<2; ++i)
for (int j=0; j<3; ++j)
A(i,j) = 10*i+ j;
array<double,2> B(A);
std::cerr << "B = " << B <<std::endl ;
vector<int> Vi(3); Vi() = 3;
vector<double> Vd(Vi);
std::cerr << "V = "<< Vd << std::endl;
std::vector<array<long,2> > V(3, A);
std::vector<array_view<long,2> > W;
for (auto & x : V) W.push_back(x);
std::vector<array_view<long,2> > W2(W);
long i=1; for (auto & x : V) x *=i++;
for (auto & x : V) { std::cout <<x << std::endl ;}
for (auto & x : W) { std::cout <<x << std::endl ;}
return 0;
}