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nodes_pos_updater_inline_impl.cc
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Tue, May 14, 09:46

nodes_pos_updater_inline_impl.cc
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/**
* @file global_ids_updater_inline_impl.cc
*
* @author Marco Vocialta <marco.vocialta@epfl.ch>
*
* @date creation: Fri Oct 02 2015
* @date last modification: Sun Aug 13 2017
*
* @brief Implementation of the inline functions of GlobalIdsUpdater
*
* @section LICENSE
*
* Copyright (©) 2015-2018 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "communicator.hh"
#include "mesh.hh"
#include "mesh_accessor.hh"
#include "nodes_pos_updater.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_NODES_POS_UPDATER_INLINE_IMPL_CC__
#define __AKANTU_NODES_POS_UPDATER_INLINE_IMPL_CC__
namespace akantu {
/* -------------------------------------------------------------------------- */
inline UInt NodesPosUpdater::getNbData(const Array<Element> & elements,
const SynchronizationTag & tag) const {
UInt size = 0;
if (tag == SynchronizationTag::_asr) {
auto dim = mesh.getSpatialDimension();
size += Mesh::getNbNodesPerElementList(elements) * dim * sizeof(Real) +
Mesh::getNbNodesPerElementList(elements) * sizeof(bool) +
sizeof(int);
}
return size;
}
/* -------------------------------------------------------------------------- */
inline void NodesPosUpdater::packData(CommunicationBuffer & buffer,
const Array<Element> & elements,
const SynchronizationTag & tag) const {
if (tag != SynchronizationTag::_asr)
return;
int prank = mesh.getCommunicator().whoAmI();
buffer << prank;
auto dim = mesh.getSpatialDimension();
auto & positions = mesh.getNodes();
auto pos_it = positions.begin(dim);
for (auto & element : elements) {
/// get element connectivity
const Vector<UInt> current_conn =
const_cast<const Mesh &>(mesh).getConnectivity(element);
/// loop on all connectivity nodes
for (auto node : current_conn) {
Vector<Real> coord(pos_it[node]);
buffer << coord;
buffer << modified_pos(node);
}
}
}
/* -------------------------------------------------------------------------- */
inline void NodesPosUpdater::unpackData(CommunicationBuffer & buffer,
const Array<Element> & elements,
const SynchronizationTag & tag) {
if (tag != SynchronizationTag::_asr)
return;
MeshAccessor mesh_accessor(mesh);
auto dim = mesh.getSpatialDimension();
auto & nodes_pos = mesh_accessor.getNodes();
auto pos_it = nodes_pos.begin(dim);
int proc;
buffer >> proc;
for (auto & element : elements) {
/// get element connectivity
Vector<UInt> current_conn =
const_cast<const Mesh &>(mesh).getConnectivity(element);
/// loop on all connectivity nodes
for (auto node : current_conn) {
Vector<Real> current_pos(pos_it[node]);
auto current_modif_flag = modified_pos(node);
Vector<Real> unpacked_pos(dim);
bool unpacked_mod_flag;
buffer >> unpacked_pos;
buffer >> unpacked_mod_flag;
if (this->reduce) {
/// if slave is modified -> take position of slave; if both slave and
/// master are modified take the average; if master is modified or
/// noneof them are modified -> do nothing
if (unpacked_mod_flag and not current_modif_flag) {
current_pos = unpacked_pos;
} else if (unpacked_mod_flag and current_modif_flag) {
current_pos += unpacked_pos;
current_pos /= 2;
}
} else {
current_pos = unpacked_pos;
}
}
}
}
} // namespace akantu
#endif /* __AKANTU_NODES_POS_UPDATER_INLINE_IMPL_CC__ */

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