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/**
* @file dumper_homogenizing_field.hh
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Tue Sep 02 2014
* @date last modification: Wed Nov 08 2017
*
* @brief description of field homogenizing field
*
*
* 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_HOMOGENIZING_FIELD_HH_
#define AKANTU_DUMPER_HOMOGENIZING_FIELD_HH_
/* -------------------------------------------------------------------------- */
#include "dumper_compute.hh"
/* -------------------------------------------------------------------------- */
namespace akantu {
namespace dumpers {
/* -------------------------------------------------------------------------- */
template <typename type>
inline type
typeConverter(const type & input,
[[gnu::unused]] Vector<typename type::value_type> & res,
[[gnu::unused]] UInt nb_data) {
throw;
return input;
}
/* -------------------------------------------------------------------------- */
template <typename type>
inline Matrix<type> typeConverter(const Matrix<type> & input,
Vector<type> & res, UInt nb_data) {
Matrix<type> tmp(res.storage(), input.rows(), nb_data / input.rows());
Matrix<type> tmp2(tmp, true);
return tmp2;
}
/* -------------------------------------------------------------------------- */
template <typename type>
inline Vector<type> typeConverter(const Vector<type> & /*unused*/,
Vector<type> & res, UInt /*unused*/) {
return res;
}
/* -------------------------------------------------------------------------- */
template <typename type>
class AvgHomogenizingFunctor : public ComputeFunctor<type, type> {
/* ------------------------------------------------------------------------ */
/* Typedefs */
/* ------------------------------------------------------------------------ */
using value_type = typename type::value_type;
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
AvgHomogenizingFunctor(ElementTypeMap<UInt> & nb_datas) {
auto types = nb_datas.elementTypes();
auto tit = types.begin();
auto end = types.end();
nb_data = nb_datas(*tit);
for (; tit != end; ++tit) {
if (nb_data != nb_datas(*tit)) {
throw;
}
}
}
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
type func(const type & d, Element /*global_index*/) override {
Vector<value_type> res(this->nb_data);
if (d.size() % this->nb_data) {
throw;
}
UInt nb_to_average = d.size() / this->nb_data;
value_type * ptr = d.storage();
for (UInt i = 0; i < nb_to_average; ++i) {
Vector<value_type> tmp(ptr, this->nb_data);
res += tmp;
ptr += this->nb_data;
}
res /= nb_to_average;
return typeConverter(d, res, this->nb_data);
};
UInt getDim() override { return nb_data; };
UInt getNbComponent(UInt /*old_nb_comp*/) override { throw; };
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
/// The size of data: i.e. the size of the vector to be returned
UInt nb_data;
};
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
class HomogenizerProxy {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
HomogenizerProxy() = default;
public:
inline static std::unique_ptr<ComputeFunctorInterface>
createHomogenizer(Field & field);
template <typename T>
inline std::unique_ptr<ComputeFunctorInterface> connectToField(T * field) {
ElementTypeMap<UInt> nb_components = field->getNbComponents();
using ret_type = typename T::types::return_type;
return this->instantiateHomogenizer<ret_type>(nb_components);
}
template <typename ret_type>
inline std::unique_ptr<ComputeFunctorInterface>
instantiateHomogenizer(ElementTypeMap<UInt> & nb_components);
};
/* -------------------------------------------------------------------------- */
template <typename ret_type>
inline std::unique_ptr<ComputeFunctorInterface>
HomogenizerProxy::instantiateHomogenizer(ElementTypeMap<UInt> & nb_components) {
using Homogenizer = dumpers::AvgHomogenizingFunctor<ret_type>;
return std::make_unique<Homogenizer>(nb_components);
}
template <>
inline std::unique_ptr<ComputeFunctorInterface>
HomogenizerProxy::instantiateHomogenizer<Vector<iohelper::ElemType>>([
[gnu::unused]] ElementTypeMap<UInt> & nb_components) {
throw;
return nullptr;
}
/* -------------------------------------------------------------------------- */
/// for connection to a FieldCompute
template <typename SubFieldCompute, typename return_type>
inline std::unique_ptr<ComputeFunctorInterface>
FieldCompute<SubFieldCompute, return_type>::connect(HomogenizerProxy & proxy) {
return proxy.connectToField(this);
}
/* -------------------------------------------------------------------------- */
inline std::unique_ptr<ComputeFunctorInterface>
HomogenizerProxy::createHomogenizer(Field & field) {
HomogenizerProxy homogenizer_proxy;
return field.connect(homogenizer_proxy);
}
/* -------------------------------------------------------------------------- */
// inline ComputeFunctorInterface & createHomogenizer(Field & field){
// HomogenizerProxy::createHomogenizer(field);
// throw;
// ComputeFunctorInterface * ptr = NULL;
// return *ptr;
// }
// /* --------------------------------------------------------------------------
// */
} // namespace dumpers
} // namespace akantu
#endif /* AKANTU_DUMPER_HOMOGENIZING_FIELD_HH_ */
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