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dumper_type_traits.hh
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Sat, Apr 27, 13:31

dumper_type_traits.hh
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/**
* @file dumper_type_traits.hh
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
*
* @date creation: Tue Sep 02 2014
* @date last modification: Wed Nov 08 2017
*
* @brief Type traits for field properties
*
*
* Copyright (©) 2014-2018 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* 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/>.
*
*/
#ifndef AKANTU_DUMPER_TYPE_TRAITS_HH_
#define AKANTU_DUMPER_TYPE_TRAITS_HH_
/* -------------------------------------------------------------------------- */
#include "element_type_map.hh"
#include "element_type_map_filter.hh"
/* -------------------------------------------------------------------------- */
namespace akantu {
namespace dumpers {
/* ------------------------------------------------------------------------ */
template <class data, class ret, class field> struct TypeTraits {
//! the stored data (real, int, uint, ...)
using data_type = data;
//! the type returned by the operator *
using return_type = ret;
//! the field type (ElementTypeMap or ElementTypeMapFilter)
using field_type = field;
//! the type over which we iterate
using it_type = typename field_type::type;
//! the type of array (Array<T> or ArrayFilter<T>)
using array_type = typename field_type::array_type;
//! the iterator over the array
using array_iterator = typename array_type::const_vector_iterator;
};
/* ------------------------------------------------------------------------ */
// specialization for the case in which input and output types are the same
template <class T, template <class> class ret, bool filtered>
struct SingleType : public TypeTraits<T, ret<T>, ElementTypeMapArray<T>> {};
/* ------------------------------------------------------------------------ */
// same as before but for filtered data
template <class T, template <class> class ret>
struct SingleType<T, ret, true>
: public TypeTraits<T, ret<T>, ElementTypeMapArrayFilter<T>> {};
/* ------------------------------------------------------------------------ */
// specialization for the case in which input and output types are different
template <class it_type, class data_type, template <class> class ret,
bool filtered>
struct DualType : public TypeTraits<data_type, ret<data_type>,
ElementTypeMapArray<it_type>> {};
/* ------------------------------------------------------------------------ */
// same as before but for filtered data
template <class it_type, class data_type, template <class> class ret>
struct DualType<it_type, data_type, ret, true>
: public TypeTraits<data_type, ret<data_type>,
ElementTypeMapArrayFilter<it_type>> {};
/* ------------------------------------------------------------------------ */
} // namespace dumpers
} // namespace akantu
/* -------------------------------------------------------------------------- */
#endif /* AKANTU_DUMPER_TYPE_TRAITS_HH_ */

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