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dumper_nodal_field.hh
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Tue, Dec 3, 21:48

dumper_nodal_field.hh
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/**
* Copyright (©) 2012-2023 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_NODAL_FIELD_HH_
#define AKANTU_DUMPER_NODAL_FIELD_HH_
/* -------------------------------------------------------------------------- */
#include "dumper_compute.hh"
#include "dumper_field.hh"
#include <io_helper.hh>
/* -------------------------------------------------------------------------- */
namespace akantu {
namespace dumpers {
/* ------------------------------------------------------------------------ */
// This represents a iohelper compatible field
template <typename T, bool filtered = false, class Container = Array<T>,
class Filter = Array<Idx>>
class NodalField : public dumpers::Field {
/* ---------------------------------------------------------------------- */
/* Typedefs */
/* ---------------------------------------------------------------------- */
public:
using support_type = Idx;
using types = TypeTraits<T, Vector<T>, Container>;
class iterator : public iohelper::iterator<T, iterator, VectorProxy<T>> {
public:
iterator(T * vect, Int _offset, Int _n, Int _stride, const Int * filter)
: internal_it(vect), offset(_offset), n(_n), stride(_stride),
filter(filter) {}
bool operator!=(const iterator & it) const override {
if (filter != nullptr) {
return filter != it.filter;
}
return internal_it != it.internal_it;
}
iterator & operator++() override {
if (filter != nullptr) {
++filter;
} else {
internal_it += offset;
}
return *this;
}
VectorProxy<T> operator*() override {
if (filter != nullptr) {
return VectorProxy<T>(internal_it + *(filter)*offset + stride, n);
}
return VectorProxy<T>(internal_it + stride, n);
}
private:
T * internal_it;
Int offset, n, stride;
const Int * filter{nullptr};
};
/* ---------------------------------------------------------------------- */
/* Constructors/Destructors */
/* ---------------------------------------------------------------------- */
public:
NodalField(const Container & _field, Int _n = 0, Int _stride = 0,
const Filter * filter = nullptr)
: field(_field), n(_n), stride(_stride), filter(filter), padding(0) {
AKANTU_DEBUG_ASSERT(((not filtered) and filter == nullptr) or filtered,
"Filter passed to unfiltered NodalField!");
AKANTU_DEBUG_ASSERT((filtered and this->filter != nullptr) or
(not filtered),
"No filter passed to filtered NodalField!");
AKANTU_DEBUG_ASSERT(
(filter != nullptr and this->filter->getNbComponent() == 1) or
(filter == nullptr),
"Multi-component filter given to NodalField ("
<< this->filter->getNbComponent()
<< " components detected, sould be 1");
if (n == 0) {
this->n = field.getNbComponent() - stride;
}
}
/* ---------------------------------------------------------------------- */
/* Methods */
/* ---------------------------------------------------------------------- */
public:
void registerToDumper(const std::string & id,
iohelper::Dumper & dumper) override {
dumper.addNodeDataField(id, *this);
}
inline iterator begin() {
return iterator(field.data(), field.getNbComponent(), n, stride,
filter == nullptr ? nullptr : filter->data());
}
inline iterator end() {
return iterator(field.data() + field.getNbComponent() * field.size(),
field.getNbComponent(), n, stride,
filter == nullptr ? nullptr
: filter->data() + filter->size());
}
bool isHomogeneous() override { return true; }
void checkHomogeneity() override { this->homogeneous = true; }
virtual Int getDim() {
if (this->padding) {
return this->padding;
}
return n;
}
void setPadding(Int padding) { this->padding = padding; }
Int size() {
if (filter != nullptr) {
return filter->size();
}
return field.size();
}
inline std::shared_ptr<Field> connect(FieldComputeProxy & proxy) override {
return proxy.connectToField(this);
}
/// for connection to a Homogenizer
inline std::unique_ptr<ComputeFunctorInterface>
connect(HomogenizerProxy & /*proxy*/) override {
throw;
}
template <class T1 = T,
std::enable_if_t<std::is_enum<T1>::value> * = nullptr>
iohelper::DataType getDataType() {
return iohelper::getDataType<Int>();
}
template <class T1 = T,
std::enable_if_t<not std::is_enum<T1>::value> * = nullptr>
iohelper::DataType getDataType() {
return iohelper::getDataType<T>();
}
/* ---------------------------------------------------------------------- */
/* Class Members */
/* ---------------------------------------------------------------------- */
private:
const Container & field;
Int n, stride;
const Filter * filter{nullptr};
Int padding;
};
} // namespace dumpers
} // namespace akantu
/* -------------------------------------------------------------------------- */
#endif /* AKANTU_DUMPER_NODAL_FIELD_HH_ */

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