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dumper_compute.hh
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/**
* @file dumper_compute.hh
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
*
* @date creation: Tue Sep 02 2014
* @date last modification: Fri Sep 05 2014
*
* @brief Field that map a function to another field
*
* @section LICENSE
*
* Copyright (©) 2014 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_COMPUTE_HH__
#define __AKANTU_DUMPER_COMPUTE_HH__
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "dumper_iohelper.hh"
#include "dumper_type_traits.hh"
#include "dumper_field.hh"
#include <io_helper.hh>
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
__BEGIN_AKANTU_DUMPER__
class ComputeFunctorInterface {
public:
virtual ~ComputeFunctorInterface(){};
virtual UInt getDim() = 0;
virtual UInt getNbComponent(UInt old_nb_comp) = 0;
};
/* -------------------------------------------------------------------------- */
template <typename return_type>
class ComputeFunctorOutput : public ComputeFunctorInterface {
public:
ComputeFunctorOutput(){};
virtual ~ComputeFunctorOutput(){};
};
/* -------------------------------------------------------------------------- */
template <typename input_type,typename return_type>
class ComputeFunctor : public ComputeFunctorOutput<return_type> {
public:
ComputeFunctor(){};
virtual ~ComputeFunctor(){};
virtual return_type func(const input_type & d, Element global_index) = 0;
};
/* -------------------------------------------------------------------------- */
template <typename SubFieldCompute, typename _return_type>
class FieldCompute : public Field {
/* ------------------------------------------------------------------------ */
/* Typedefs */
/* ------------------------------------------------------------------------ */
public:
typedef typename SubFieldCompute::iterator sub_iterator;
typedef typename SubFieldCompute::types sub_types;
typedef typename sub_types::return_type sub_return_type;
typedef _return_type return_type;
typedef typename sub_types::data_type data_type;
typedef TypeTraits<data_type, return_type, ElementTypeMapArray<data_type> > types;
class iterator {
public:
iterator(const sub_iterator & it, ComputeFunctor<sub_return_type,return_type> & func)
: it(it), func(func) {}
bool operator!=(const iterator & it)const { return it.it != this->it; }
iterator operator++() { ++this->it; return *this; }
UInt currentGlobalIndex(){
return this->it.currentGlobalIndex();
}
return_type operator*() {
return func.func(*it,it.getCurrentElement());
}
Element getCurrentElement(){
return this->it.getCurrentElement();
}
UInt element_type() { return this->it.element_type(); }
protected:
sub_iterator it;
ComputeFunctor<sub_return_type,return_type> & func;
};
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
FieldCompute(SubFieldCompute & cont, ComputeFunctorInterface & func)
:sub_field(cont),func(dynamic_cast<ComputeFunctor<sub_return_type,return_type> &>(func)){
this->checkHomogeneity();
};
virtual void registerToDumper(const std::string & id,
iohelper::Dumper & dumper) {
dumper.addElemDataField(id, *this);
}
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
public:
iterator begin() { return iterator(sub_field.begin(), func); }
iterator end () { return iterator(sub_field.end(), func); }
UInt getDim() {
return func.getDim();
}
UInt size() {
throw;
// return Functor::size();
return 0;
}
virtual void checkHomogeneity(){this->homogeneous = true;};
iohelper::DataType getDataType() { return iohelper::getDataType<data_type>(); }
/// get the number of components of the hosted field
virtual ElementTypeMap<UInt> getNbComponents(UInt dim = _all_dimensions,
GhostType ghost_type = _not_ghost,
ElementKind kind = _ek_not_defined){
ElementTypeMap<UInt> nb_components;
const ElementTypeMap<UInt> & old_nb_components =
this->sub_field.getNbComponents(dim,ghost_type,kind);
ElementTypeMap<UInt>::type_iterator tit = old_nb_components.firstType(dim,ghost_type,kind);
ElementTypeMap<UInt>::type_iterator end = old_nb_components.lastType(dim,ghost_type,kind);
while (tit != end){
UInt nb_comp = old_nb_components(*tit,ghost_type);
nb_components(*tit,ghost_type) = func.getNbComponent(nb_comp);
++tit;
}
return nb_components;
};
/// for connection to a FieldCompute
inline virtual Field * connect(FieldComputeProxy & proxy);
/// for connection to a FieldCompute
virtual ComputeFunctorInterface * connect(HomogenizerProxy & proxy);
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
public:
SubFieldCompute & sub_field;
ComputeFunctor<sub_return_type,return_type> & func;
};
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
class FieldComputeProxy {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
FieldComputeProxy(ComputeFunctorInterface & func):func(func){};
inline static Field * createFieldCompute(Field * field,
ComputeFunctorInterface & func){
FieldComputeProxy compute_proxy(func);
return field->connect(compute_proxy);
}
template <typename T>
Field * connectToField(T * ptr){
if (dynamic_cast<ComputeFunctorOutput<Vector<Real> > *>(&func)){
return this->connectToFunctor<Vector<Real> >(ptr);
}
else if (dynamic_cast<ComputeFunctorOutput<Vector<UInt> > *>(&func)){
return this->connectToFunctor<Vector<UInt> >(ptr);
}
else if (dynamic_cast<ComputeFunctorOutput<Matrix<UInt> > *>(&func)){
return this->connectToFunctor<Matrix<UInt> >(ptr);
}
else if (dynamic_cast<ComputeFunctorOutput<Matrix<Real> > *>(&func)){
return this->connectToFunctor<Matrix<Real> >(ptr);
}
else throw;
}
template <typename output, typename T>
Field * connectToFunctor(T * ptr){
return new FieldCompute<T,output>(*ptr,func);
}
template <typename output, typename SubFieldCompute,
typename return_type1, typename return_type2>
Field * connectToFunctor(FieldCompute<FieldCompute<SubFieldCompute,return_type1>,
return_type2> * ptr){
throw; // return new FieldCompute<T,output>(*ptr,func);
return NULL;
}
template <typename output, typename SubFieldCompute,
typename return_type1,typename return_type2,
typename return_type3,typename return_type4>
Field * connectToFunctor(FieldCompute<
FieldCompute<
FieldCompute<
FieldCompute<SubFieldCompute,return_type1>,
return_type2>,
return_type3>,
return_type4> * ptr){
throw; // return new FieldCompute<T,output>(*ptr,func);
return NULL;
}
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
public:
ComputeFunctorInterface & func;
};
/* -------------------------------------------------------------------------- */
/// for connection to a FieldCompute
template <typename SubFieldCompute, typename return_type>
inline Field * FieldCompute<SubFieldCompute,return_type>
::connect(FieldComputeProxy & proxy){
return proxy.connectToField(this);
}
/* -------------------------------------------------------------------------- */
__END_AKANTU_DUMPER__
__END_AKANTU__
#endif /* __AKANTU_DUMPER_COMPUTE_HH__ */

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