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rAKA/src/mesh_utils/mesh_partition/mesh_partition_mesh_data.cc
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mesh_partition_mesh_data.cc
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/**
* @file mesh_partition_mesh_data.cc
*
* @author Dana Christen <dana.christen@epfl.ch>
* @author David Simon Kammer <david.kammer@epfl.ch>
*
* @date creation: Fri May 03 2013
* @date last modification: Thu Jul 31 2014
*
* @brief implementation of the MeshPartitionMeshData class
*
* @section LICENSE
*
* Copyright (©) 2014 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 "mesh_partition_mesh_data.hh"
#if !defined(AKANTU_NDEBUG)
#include <set>
#endif
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
MeshPartitionMeshData::MeshPartitionMeshData(const Mesh & mesh, UInt spatial_dimension,
const ID & id,
const MemoryID & memory_id) :
MeshPartition(mesh, spatial_dimension, id, memory_id) {
AKANTU_DEBUG_IN();
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
MeshPartitionMeshData::MeshPartitionMeshData(const Mesh & mesh,
const ElementTypeMapArray<UInt> & mapping,
UInt spatial_dimension,
const ID & id,
const MemoryID & memory_id) :
MeshPartition(mesh, spatial_dimension, id, memory_id), partition_mapping(&mapping) {
AKANTU_DEBUG_IN();
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void MeshPartitionMeshData::partitionate(UInt nb_part,
const EdgeLoadFunctor & edge_load_func,
const Array<UInt> & pairs) {
AKANTU_DEBUG_IN();
tweakConnectivity(pairs);
nb_partitions = nb_part;
GhostType ghost_type = _not_ghost;
UInt spatial_dimension = mesh.getSpatialDimension();
Mesh::type_iterator it = mesh.firstType(spatial_dimension,
ghost_type,
_ek_not_defined);
Mesh::type_iterator end = mesh.lastType(spatial_dimension,
ghost_type,
_ek_not_defined);
UInt linearized_el = 0;
UInt nb_elements = mesh.getNbElement(mesh.getSpatialDimension(), ghost_type);
Int * partition_list = new Int[nb_elements];
#if !defined(AKANTU_NDEBUG)
std::set<UInt> partitions;
#endif
for(; it != end; ++it) {
ElementType type = *it;
const Array<UInt> & partition_array = (*partition_mapping)(type, ghost_type);
Array<UInt>::const_iterator< Vector<UInt> > p_it = partition_array.begin(1);
Array<UInt>::const_iterator< Vector<UInt> > p_end = partition_array.end(1);
AKANTU_DEBUG_ASSERT(p_end-p_it == mesh.getNbElement(type, ghost_type),
"The partition mapping does not have the right number "
<< "of entries for type " << type << " and ghost type "
<< ghost_type << "." << " Tags=" << p_end-p_it
<< " Mesh=" << mesh.getNbElement(type, ghost_type));
for(; p_it != p_end; ++p_it, ++linearized_el) {
partition_list[linearized_el] = (*p_it)(0);
#if !defined(AKANTU_NDEBUG)
partitions.insert((*p_it)(0));
#endif
}
}
#if !defined(AKANTU_NDEBUG)
AKANTU_DEBUG_ASSERT(partitions.size() == nb_part, "The number of real partitions does not match with the number of asked partitions");
#endif
fillPartitionInformation(mesh, partition_list);
delete[] partition_list;
restoreConnectivity();
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void MeshPartitionMeshData::reorder() {
AKANTU_DEBUG_TO_IMPLEMENT();
}
/* -------------------------------------------------------------------------- */
void MeshPartitionMeshData::setPartitionMapping(const ElementTypeMapArray<UInt> & mapping) {
partition_mapping = &mapping;
}
/* -------------------------------------------------------------------------- */
void MeshPartitionMeshData::setPartitionMappingFromMeshData(const std::string & data_name) {
partition_mapping = &(mesh.getData<UInt>(data_name));
}
__END_AKANTU__
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