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rAKA/src/mesh_utils/global_ids_updater_inline_impl.hh
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global_ids_updater_inline_impl.hh
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/**
* @file global_ids_updater_inline_impl.hh
*
* @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
*
*
* 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 "global_ids_updater.hh"
#include "mesh.hh"
#include "mesh_accessor.hh"
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_GLOBAL_IDS_UPDATER_INLINE_IMPL_HH_
#define AKANTU_GLOBAL_IDS_UPDATER_INLINE_IMPL_HH_
namespace akantu {
/* -------------------------------------------------------------------------- */
inline UInt GlobalIdsUpdater::getNbData(const Array<Element> & elements,
const SynchronizationTag & tag) const {
UInt size = 0;
if (tag == SynchronizationTag::_giu_global_conn) {
size +=
Mesh::getNbNodesPerElementList(elements) * sizeof(UInt) + sizeof(int);
#ifndef AKANTU_NDEBUG
size += sizeof(NodeFlag) * Mesh::getNbNodesPerElementList(elements);
#endif
}
return size;
}
/* -------------------------------------------------------------------------- */
inline void GlobalIdsUpdater::packData(CommunicationBuffer & buffer,
const Array<Element> & elements,
const SynchronizationTag & tag) const {
if (tag != SynchronizationTag::_giu_global_conn) {
return;
}
int prank = mesh.getCommunicator().whoAmI();
auto & global_nodes_ids = mesh.getGlobalNodesIds();
buffer << prank;
for (const 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) {
UInt index = -1;
if ((this->reduce and mesh.isLocalOrMasterNode(node)) or
(not this->reduce and not mesh.isPureGhostNode(node))) {
index = global_nodes_ids(node);
}
buffer << index;
#ifndef AKANTU_NDEBUG
buffer << mesh.getNodeFlag(node);
#endif
}
}
}
/* -------------------------------------------------------------------------- */
inline void GlobalIdsUpdater::unpackData(CommunicationBuffer & buffer,
const Array<Element> & elements,
const SynchronizationTag & tag) {
if (tag != SynchronizationTag::_giu_global_conn) {
return;
}
MeshAccessor mesh_accessor(mesh);
auto & global_nodes_ids = mesh_accessor.getNodesGlobalIds();
int proc;
buffer >> proc;
for (const 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) {
UInt index;
buffer >> index;
#ifndef AKANTU_NDEBUG
NodeFlag node_flag;
buffer >> node_flag;
if (reduce) {
nodes_flags[node].push_back(std::make_pair(proc, node_flag));
}
#endif
if (index == UInt(-1)) {
continue;
}
if (mesh.isSlaveNode(node)) {
auto & gid = global_nodes_ids(node);
AKANTU_DEBUG_ASSERT(gid == UInt(-1) or gid == index,
"The node already has a global id, from proc "
<< proc << ", different from the one received "
<< gid << " " << index);
gid = index;
mesh_accessor.setNodePrank(node, proc);
}
}
}
}
} // namespace akantu
#endif /* AKANTU_GLOBAL_IDS_UPDATER_INLINE_IMPL_HH_ */
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