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rAKA/src/io/dumper/dumper_homogenizing_field.hh
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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: Tue Jul 14 2015
*
* @brief description of field homogenizing field
*
* @section LICENSE
*
* Copyright (©) 2014, 2015 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"
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
__BEGIN_AKANTU_DUMPER__
/* -------------------------------------------------------------------------- */
template <typename type>
inline type typeConverter(const type & input,
__attribute__((unused)) Vector<typename type::value_type> & res,
__attribute__((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(__attribute__((unused)) const Vector<type> & input,
__attribute__((unused)) Vector<type> & res,
__attribute__((unused)) UInt nb_data) {
return res;
}
/* -------------------------------------------------------------------------- */
template <typename type>
class AvgHomogenizingFunctor : public ComputeFunctor<type, type> {
/* ------------------------------------------------------------------------ */
/* Typedefs */
/* ------------------------------------------------------------------------ */
typedef typename type::value_type value_type;
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
AvgHomogenizingFunctor(ElementTypeMap<UInt> & nb_datas) {
ElementTypeMap<UInt>::type_iterator tit = nb_datas.firstType();
ElementTypeMap<UInt>::type_iterator end = nb_datas.lastType();
nb_data = nb_datas(*tit);
for (; tit != end; ++tit)
if (nb_data != nb_datas(*tit))
throw;
}
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
virtual type func(const type & d,
__attribute__((unused)) Element global_index) {
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() { return nb_data; };
UInt getNbComponent(__attribute__((unused)) UInt old_nb_comp) { 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(){};
public:
inline static ComputeFunctorInterface * createHomogenizer(Field & field);
template <typename T>
inline ComputeFunctorInterface * connectToField(T * field) {
ElementTypeMap<UInt> nb_components = field->getNbComponents();
typedef typename T::types::return_type ret_type;
return this->instantiateHomogenizer<ret_type>(nb_components);
}
template <typename ret_type>
inline ComputeFunctorInterface *
instantiateHomogenizer(ElementTypeMap<UInt> & nb_components);
};
/* -------------------------------------------------------------------------- */
template <typename ret_type>
inline ComputeFunctorInterface *
HomogenizerProxy::instantiateHomogenizer(ElementTypeMap<UInt> & nb_components) {
typedef dumper::AvgHomogenizingFunctor<ret_type> Homogenizer;
Homogenizer * foo = new Homogenizer(nb_components);
return foo;
}
template <>
inline ComputeFunctorInterface *
HomogenizerProxy::instantiateHomogenizer<Vector<iohelper::ElemType> >(
__attribute__((unused)) ElementTypeMap<UInt> & nb_components) {
throw;
return NULL;
}
/* -------------------------------------------------------------------------- */
/// for connection to a FieldCompute
template <typename SubFieldCompute, typename return_type>
inline ComputeFunctorInterface *
FieldCompute<SubFieldCompute, return_type>::connect(HomogenizerProxy & proxy) {
return proxy.connectToField(this);
}
/* -------------------------------------------------------------------------- */
inline 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;
// }
// /* --------------------------------------------------------------------------
// */
__END_AKANTU_DUMPER__
__END_AKANTU__
#endif /* __AKANTU_DUMPER_HOMOGENIZING_FIELD_HH__ */
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