/*******************************************************************************
 *
 * 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 <triqs/arrays/array.hpp>
#include <triqs/arrays/matrix.hpp>
#include <iostream>
#include <triqs/arrays/asserts.hpp>


using namespace triqs::arrays;
   
template<typename ArrayType>
array_view<typename ArrayType::value_type, ArrayType::rank-1> sum0 (ArrayType const & A) {
 array<typename ArrayType::value_type, ArrayType::rank-1> res = A(0,ellipsis());
 for (size_t u =1; u< A.shape()[0]; ++u) res += A(u,ellipsis());
 return res;
}

int main(int argc, char **argv) {

 

 {
 array<long,3> A(2,3,4) ;
 A() = 7;

 std::cerr<< A(0, ellipsis() ) <<std::endl;

 array<long,4> B(2,3,4,5) ;
 B() = 8;

 std::cerr<< B(0, ellipsis(), 3 ) <<std::endl;
 std::cerr<< B(0, ellipsis(), 2, 3 ) <<std::endl;
 std::cerr<< B( ellipsis(), 2, 3 ) <<std::endl;

 assert_all_close (B(0, ellipsis(), 3 ) , B(0, range(),range(), 3 ) , 1.e-15);
 assert_all_close (B(0, ellipsis(),2, 3 ) , B(0, range(), 2, 3 ) , 1.e-15);
 assert_all_close (B( ellipsis(),2, 3 ) , B( range(),range(),  2, 3 ) , 1.e-15);

 std::cerr << B.shape() <<std::endl;


 }
 ///.....

 {
 array<double,2> A(5,2); A() =2; 
 array<double,3> B(5,2,3); B() = 3;
 std::cerr<< sum0(A) << sum0(B) <<std::endl;
 }


 return 0;
}