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rAKA/src/mesh_utils/global_ids_updater_inline_impl.cc
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global_ids_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 "global_ids_updater.hh"
#include "mesh.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_GLOBAL_IDS_UPDATER_INLINE_IMPL_CC__
#define __AKANTU_GLOBAL_IDS_UPDATER_INLINE_IMPL_CC__
namespace akantu {
/* -------------------------------------------------------------------------- */
inline UInt GlobalIdsUpdater::getNbData(const Array<Element> & elements,
const SynchronizationTag & tag) const {
UInt size = 0;
if (tag == _gst_giu_global_conn)
size += Mesh::getNbNodesPerElementList(elements) * sizeof(UInt);
return size;
}
/* -------------------------------------------------------------------------- */
inline void GlobalIdsUpdater::packData(CommunicationBuffer & buffer,
const Array<Element> & elements,
const SynchronizationTag & tag) const {
if (tag == _gst_giu_global_conn)
packUnpackGlobalConnectivity<true>(buffer, elements);
}
/* -------------------------------------------------------------------------- */
inline void GlobalIdsUpdater::unpackData(CommunicationBuffer & buffer,
const Array<Element> & elements,
const SynchronizationTag & tag) {
if (tag == _gst_giu_global_conn)
packUnpackGlobalConnectivity<false>(buffer, elements);
}
/* -------------------------------------------------------------------------- */
template <bool pack_mode>
inline void GlobalIdsUpdater::packUnpackGlobalConnectivity(
CommunicationBuffer & buffer, const Array<Element> & elements) const {
AKANTU_DEBUG_IN();
ElementType current_element_type = _not_defined;
GhostType current_ghost_type = _casper;
Array<UInt>::const_vector_iterator conn_begin;
UInt nb_nodes_per_elem = 0;
auto & global_nodes_ids = mesh.getGlobalNodesIds();
for (auto & el : elements) {
if (el.type != current_element_type ||
el.ghost_type != current_ghost_type) {
current_element_type = el.type;
current_ghost_type = el.ghost_type;
const Array<UInt> & connectivity =
mesh.getConnectivity(current_element_type, current_ghost_type);
nb_nodes_per_elem = connectivity.getNbComponent();
conn_begin = connectivity.begin(nb_nodes_per_elem);
}
/// get element connectivity
const Vector<UInt> current_conn = conn_begin[el.element];
/// loop on all connectivity nodes
for (UInt n = 0; n < nb_nodes_per_elem; ++n) {
UInt node = current_conn(n);
if (pack_mode) {
if ((this->reduce and mesh.isLocalOrMasterNode(node)) or
(not this->reduce and not mesh.isPureGhostNode(node))) {
UInt index = global_nodes_ids(node);
buffer << index;
} else {
buffer << UInt(-1);
}
} else {
UInt index;
buffer >> index;
if (global_nodes_ids(node) == UInt(-1) and mesh.isSlaveNode(node)) {
global_nodes_ids(node) = index;
} else {
AKANTU_DEBUG_ASSERT(
index == UInt(-1) or mesh.isPureGhostNode(node) or
index == global_nodes_ids(node),
"Two processors disagree on the global number of a node "
<< index << " against " << global_nodes_ids(node));
}
}
}
}
AKANTU_DEBUG_OUT();
}
} // akantu
#endif /* __AKANTU_GLOBAL_IDS_UPDATER_INLINE_IMPL_CC__ */
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