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element_type_map_filter.hh
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Sun, Jun 2, 13:42

element_type_map_filter.hh
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/**
* Copyright (©) 2014-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This file is part of Akantu
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*/
/* -------------------------------------------------------------------------- */
//#include "aka_array_filter.hh"
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_BY_ELEMENT_TYPE_FILTER_HH_
#define AKANTU_BY_ELEMENT_TYPE_FILTER_HH_
/* -------------------------------------------------------------------------- */
namespace akantu {
/* -------------------------------------------------------------------------- */
/* ElementTypeMapFilter */
/* -------------------------------------------------------------------------- */
template <class T, typename SupportType = ElementType>
class ElementTypeMapArrayFilter {
/* ------------------------------------------------------------------------ */
/* Typedefs */
/* ------------------------------------------------------------------------ */
public:
using array_type = ArrayFilter<T>;
using value_type = typename array_type::value_type;
using type_iterator =
typename ElementTypeMapArray<Idx, SupportType>::type_iterator;
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
ElementTypeMapArrayFilter(
const ElementTypeMapArray<T, SupportType> & array,
const ElementTypeMapArray<Idx, SupportType> & filter,
const ElementTypeMap<Int, SupportType> & nb_data_per_elem)
: array(array), filter(filter), nb_data_per_elem(nb_data_per_elem) {}
ElementTypeMapArrayFilter(
const ElementTypeMapArray<T, SupportType> & array,
const ElementTypeMapArray<Idx, SupportType> & filter)
: array(array), filter(filter) {}
~ElementTypeMapArrayFilter() = default;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
inline const ArrayFilter<T>
operator()(SupportType type, GhostType ghost_type = _not_ghost) const {
if (filter.exists(type, ghost_type)) {
Int nb_comp = 1;
auto && array_v = array(type, ghost_type);
if (nb_data_per_elem.exists(type, ghost_type)) {
nb_comp = nb_data_per_elem(type, ghost_type) / array_v.getNbComponent();
}
return ArrayFilter<T>(array_v, filter(type, ghost_type), nb_comp);
}
return ArrayFilter<T>(empty_array, empty_filter, 1);
};
template <typename... Args>
decltype(auto) elementTypes(Args &&... args) const {
return filter.elementTypes(std::forward<decltype(args)>(args)...);
}
decltype(auto) getNbComponents(Int dim = _all_dimensions,
GhostType ghost_type = _not_ghost,
ElementKind kind = _ek_not_defined) const {
return this->array.getNbComponents(dim, ghost_type, kind);
};
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
std::string getID() {
return std::string("filtered:" + this->array().getID());
}
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
const ElementTypeMapArray<T, SupportType> & array;
const ElementTypeMapArray<Idx, SupportType> & filter;
ElementTypeMap<Int> nb_data_per_elem;
/// Empty array to be able to return consistent filtered arrays
Array<T> empty_array;
Array<Idx> empty_filter;
};
} // namespace akantu
#endif /* AKANTU_BY_ELEMENT_TYPE_FILTER_HH_ */

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