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dft_tools/triqs/arrays/indexmaps/cuboid/foreach.hpp

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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/>.
*
******************************************************************************/
#ifndef TRIQS_ARRAYS_INDEXMAP_CUBOID_FOREACH_H
#define TRIQS_ARRAYS_INDEXMAP_CUBOID_FOREACH_H
#include "./map.hpp"
namespace triqs { namespace arrays {
template<typename A, typename Enable = void> struct get_traversal_order : indexmaps::mem_layout::fortran_order_tr<A::domain_type::rank>{};
//template<typename A, typename Enable = void> struct get_traversal_order : indexmaps::mem_layout::c_order_tr<A::domain_type::rank>{};
template<typename A> struct get_traversal_order<A,typename A::indexmap_type::has_traversal_order_tag> : std::integral_constant<ull_t, A::indexmap_type::traversal_order>{};
template <typename T, typename Function>
typename std::enable_if<ImmutableCuboidArray<T>::value >::type
foreach (T const & x, Function const & F) { indexmaps::cuboid::foreach<get_traversal_order<T>::value> (x.domain(), F); }
template <typename T, typename Function>
struct assign_foreach_adapter {
T& x; Function const & f;
assign_foreach_adapter( T& x_, Function const & ff): x(x_), f(ff){}
template<typename ... Args> void operator()(Args const & ... args) const { x(args...) = f(args...);}
};
template <typename T, typename Function>
typename std::enable_if<MutableCuboidArray<T>::value >::type
assign_foreach (T & x, Function const & F) { indexmaps::cuboid::foreach<get_traversal_order<T>::value> (x.domain(),assign_foreach_adapter<T,Function>(x,F)); }
}}//namespace
#endif