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Wed, May 22, 00:06

dumper_nodal_field.hh
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/**
* @file dumper_nodal_field.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Fri Oct 26 2012
* @date last modification: Tue Jan 06 2015
*
* @brief Description of nodal fields
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 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_NODAL_FIELD_HH__
#define __AKANTU_DUMPER_NODAL_FIELD_HH__
#include "dumper_field.hh"
#include <io_helper.hh>
/* -------------------------------------------------------------------------- */
namespace akantu {
__BEGIN_AKANTU_DUMPER__
// This represents a iohelper compatible field
template<typename T, bool filtered = false,
class Container = Array<T>, class Filter = Array<UInt> >
class NodalField;
/* -------------------------------------------------------------------------- */
template<typename T, class Container, class Filter>
class NodalField<T, false, Container, Filter> : public dumper::Field {
public:
/* ------------------------------------------------------------------------ */
/* Typedefs */
/* ------------------------------------------------------------------------ */
/// associated iterator with any nodal field (non filetered)
class iterator : public iohelper::iterator< T, iterator, Vector<T> > {
public:
iterator(T * vect, UInt offset, UInt n, UInt stride,
__attribute__ ((unused)) const UInt * filter = NULL) :
internal_it(vect), offset(offset), n(n), stride(stride) {}
bool operator!=(const iterator & it) const { return internal_it != it.internal_it; }
iterator & operator++() { internal_it += offset; return *this; };
Vector<T> operator* (){ return Vector<T>(internal_it + stride, n); };
private:
T * internal_it;
UInt offset, n, stride;
};
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
NodalField(const Container & field, UInt n = 0, UInt stride = 0,
__attribute__ ((unused)) const Filter * filter = NULL) :
field(field), n(n), stride(stride), padding(0) {
AKANTU_DEBUG_ASSERT(filter == NULL, "Filter passed to unfiltered NodalField!");
if(n == 0) { this->n = field.getNbComponent() - stride; }
}
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
virtual void registerToDumper(const std::string & id,
iohelper::Dumper & dumper) {
dumper.addNodeDataField(id, *this);
}
inline iterator begin() {
return iterator(field.storage(), field.getNbComponent(), n, stride);
}
inline iterator end () {
return iterator(field.storage() + field.getNbComponent()*field.getSize(),
field.getNbComponent(), n, stride);
}
bool isHomogeneous() { return true; }
void checkHomogeneity() { this->homogeneous = true; }
virtual UInt getDim() {
if(this->padding) return this->padding;
else return n;
}
void setPadding(UInt padding){this->padding = padding;}
UInt size() { return field.getSize(); }
iohelper::DataType getDataType() { return iohelper::getDataType<T>(); }
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
const Container & field;
UInt n, stride;
UInt padding;
};
/* -------------------------------------------------------------------------- */
template<typename T, class Container, class Filter>
class NodalField<T, true, Container, Filter> : public dumper::Field {
/* ------------------------------------------------------------------------ */
/* Typedefs */
/* ------------------------------------------------------------------------ */
public:
class iterator : public iohelper::iterator< T, iterator, Vector<T> > {
public:
iterator(T * const vect, UInt _offset, UInt _n,
UInt _stride, const UInt * filter) :
internal_it(vect), offset(_offset), n(_n), stride(_stride),
filter(filter) {}
bool operator!=(const iterator & it) const {
return filter != it.filter;
}
iterator & operator++() {
++filter;
return *this;
}
Vector<T> operator* () {
return Vector<T>(internal_it + *(filter)*offset + stride, n);
}
private:
T * const internal_it;
UInt offset, n, stride;
const UInt * filter;
};
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
NodalField(const Container & _field,
UInt _n = 0, UInt _stride = 0,
const Filter * filter = NULL)
: field(_field), n(_n), stride(_stride), filter(filter), padding(0) {
AKANTU_DEBUG_ASSERT(this->filter != NULL,
"No filter passed to filtered NodalField!");
AKANTU_DEBUG_ASSERT(this->filter->getNbComponent()==1,
"Multi-component filter given to NodalField ("
<< this->filter->getNbComponent()
<< " components detected, sould be 1");
if(n == 0) {
this->n = field.getNbComponent() - stride;
}
}
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
virtual void registerToDumper(const std::string & id, iohelper::Dumper & dumper) {
dumper.addNodeDataField(id, *this);
}
inline iterator begin() {
return iterator(field.storage(), field.getNbComponent(),
n, stride, filter->storage());
}
inline iterator end() {
return iterator(field.storage(), field.getNbComponent(),
n, stride, filter->storage()+filter->getSize());
}
bool isHomogeneous() {
return true;
}
void checkHomogeneity() { this->homogeneous = true; }
virtual UInt getDim() {
if(this->padding) return this->padding;
else return n;
}
void setPadding(UInt padding){this->padding = padding;}
UInt size() {
return filter->getSize();
}
iohelper::DataType getDataType() {
return iohelper::getDataType<T>();
}
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
const Container & field;
UInt n, stride;
const Filter * filter;
UInt padding;
};
__END_AKANTU_DUMPER__
} // akantu
/* -------------------------------------------------------------------------- */
#endif /* __AKANTU_DUMPER_NODAL_FIELD_HH__ */

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