3
0
mirror of https://github.com/triqs/dft_tools synced 2024-11-01 11:43:47 +01:00
dft_tools/test/triqs/arrays/const_view.cpp
2013-10-21 15:12:53 +02:00

61 lines
1.6 KiB
C++

/*******************************************************************************
*
* 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 <iostream>
using namespace triqs::arrays;
template <typename U, ull_t opt, ull_t to, bool B> void f(array_view<U, 2, opt, to, B, true> const &a) {
std::cout << a << std::endl;
}
void f2(array_const_view<long, 2> const &a) { std::cout << a << std::endl; }
int main(int argc, char **argv) {
{
array<long, 2> A(2, 3);
A() = 3;
auto const &AA = A;
f2(A());
array_const_view<long,2> Vc = A();
//array_view<long,2> V = Vc;
}
//#define SHOULD_NOT_COMPILE
#ifdef SHOULD_NOT_COMPILE
{
const array<long, 1> A = {1, 2, 3, 4};
// None of this should compile
A(0) = 2;
A()(0) = 2;
A(range(0,2))(0) = 10;
}
#endif
return 0;
}