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dft_tools/test/triqs/arrays/array_algebra.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 <iostream>
#include <type_traits>
using namespace triqs::arrays;
int main() {
array<int, 1> A(3), B(3),C;
array<double,1> D;
B() = 2; A() = 3;
C = A+B; std::cout << A + B<< " = "<< C << std::endl;
C = A*B; std::cout << A * B<< " = "<< C << std::endl;
C = 2*B; std::cout << 2 * B<< " = "<< C << std::endl;
C = B*2; std::cout << 2 * B<< " = "<< C << std::endl;
D = 2.3*B; std::cout << 2.3 * B<< " = "<< D << std::endl;
D = A + B/1.2; std::cout << A + B/1.2<< " = "<< D << std::endl;
auto x = A + B + 2*A;
C = A+2*A+3*A - 2*A+A -A+A+A*3+A+A+A+A+A+A+A+A+A+A+A+A+A;
std::cout << C << std::endl ;
array<double,2> D2 (2,2);
// auto y = A+D/2 + (D2 + 2*D2);// should not and does not compile
}