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dumper_homogenizing_field.hh
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Wed, Dec 11, 19:43

dumper_homogenizing_field.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/>.
*/
#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*/,
Vector<typename type::value_type> & /*res*/,
Int /*nb_data*/) {
throw;
}
/* ------------------------------------------------------------------------ */
template <typename type>
inline Matrix<type> typeConverter(const Matrix<type> &input, Vector<type> &res,
Int nb_data) {
MatrixProxy<type> tmp(res.data(), input.rows(), nb_data / input.rows());
return tmp;
}
/* ------------------------------------------------------------------------ */
template <typename type>
inline Vector<type> typeConverter(const Vector<type> & /*unused*/,
Vector<type> &res, Int /*unused*/) {
return res;
}
/* ------------------------------------------------------------------------ */
template <typename type>
class AvgHomogenizingFunctor : public ComputeFunctor<type, type> {
/* ---------------------------------------------------------------------- */
/* Typedefs */
/* ---------------------------------------------------------------------- */
private:
using value_type = typename type::value_type;
/* ---------------------------------------------------------------------- */
/* Constructors/Destructors */
/* ---------------------------------------------------------------------- */
public:
AvgHomogenizingFunctor(ElementTypeMap<Int> &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 */
/* ---------------------------------------------------------------------- */
public:
type func(const type &d, Element /*global_index*/) override {
Vector<value_type> res(this->nb_data);
res.zero();
if (d.size() % this->nb_data) {
throw;
}
auto nb_to_average = d.size() / this->nb_data;
auto &&ptr = d.data();
for (Int i = 0; i < nb_to_average; ++i) {
VectorProxy<const value_type> tmp(ptr, this->nb_data);
res += tmp;
ptr += this->nb_data;
}
res /= nb_to_average;
return typeConverter(d, res, this->nb_data);
};
Int getDim() override { return nb_data; };
Int getNbComponent(Int /*old_nb_comp*/) override { throw; };
/* ---------------------------------------------------------------------- */
/* Class Members */
/* ---------------------------------------------------------------------- */
/// The size of data: i.e. the size of the vector to be returned
Int 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<Int> 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<Int> &nb_components);
};
/* ------------------------------------------------------------------------ */
template <typename ret_type>
inline std::unique_ptr<ComputeFunctorInterface>
HomogenizerProxy::instantiateHomogenizer(ElementTypeMap<Int> &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>>(
ElementTypeMap<Int> & /*nb_components*/) {
throw;
return nullptr;
}
/* ------------------------------------------------------------------------ */
/// for connection to a FieldCompute
template <typename SubFieldCompute, typename return_type,
typename support_type_>
inline std::unique_ptr<ComputeFunctorInterface>
FieldCompute<SubFieldCompute, return_type, support_type_>::connect(
HomogenizerProxy &proxy) {
return proxy.connectToField(this);
}
template <typename SubFieldCompute, typename return_type>
inline std::unique_ptr<ComputeFunctorInterface>
FieldCompute<SubFieldCompute, return_type, Element>::connect(
HomogenizerProxy &proxy) {
return proxy.connectToField(this);
}
/* ------------------------------------------------------------------------ */
inline std::unique_ptr<ComputeFunctorInterface>
HomogenizerProxy::createHomogenizer(Field &field) {
HomogenizerProxy homogenizer_proxy;
return field.connect(homogenizer_proxy);
}
} // namespace dumpers
} // namespace akantu
#endif /* AKANTU_DUMPER_HOMOGENIZING_FIELD_HH_ */

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