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rAKA/test/test_synchronizer/test_facet_synchronizer.cc
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test_facet_synchronizer.cc
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/**
* @file test_facet_synchronizer.cc
*
* @author Marco Vocialta <marco.vocialta@epfl.ch>
*
*
* @brief Facet synchronizer test
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
*/
/* -------------------------------------------------------------------------- */
#include "test_data_accessor.hh"
#include "facet_synchronizer.hh"
#include "mesh_utils.hh"
#include "synchronizer_registry.hh"
#include <iostream>
/* -------------------------------------------------------------------------- */
using namespace akantu;
int main(int argc, char *argv[]) {
akantu::initialize(argc, argv);
UInt spatial_dimension = 3;
Mesh mesh(spatial_dimension);
StaticCommunicator & comm = StaticCommunicator::getStaticCommunicator();
Int psize = comm.getNbProc();
Int prank = comm.whoAmI();
DistributedSynchronizer * dist = NULL;
/// partition the mesh
if(prank == 0) {
mesh.read("facet.msh");
MeshPartition * partition = new MeshPartitionScotch(mesh, spatial_dimension);
partition->partitionate(psize);
dist = DistributedSynchronizer::createDistributedSynchronizerMesh(mesh, partition);
delete partition;
} else {
dist = DistributedSynchronizer::createDistributedSynchronizerMesh(mesh, NULL);
}
/// create facets
Mesh mesh_facets(mesh.initMeshFacets("mesh_facets"));
MeshUtils::buildAllFacets(mesh, mesh_facets, 0, dist);
/// compute barycenter for each facet
ElementTypeMapArray<Real> barycenters("barycenters", "", 0);
mesh_facets.initElementTypeMapArray(barycenters,
spatial_dimension,
spatial_dimension - 1);
for (ghost_type_t::iterator gt = ghost_type_t::begin();
gt != ghost_type_t::end(); ++gt) {
GhostType ghost_type = *gt;
Mesh::type_iterator it = mesh_facets.firstType(spatial_dimension - 1,
ghost_type);
Mesh::type_iterator last_type = mesh_facets.lastType(spatial_dimension - 1,
ghost_type);
for(; it != last_type; ++it) {
UInt nb_element = mesh_facets.getNbElement(*it, ghost_type);
Array<Real> & barycenter = barycenters(*it, ghost_type);
barycenter.resize(nb_element);
Array<Real>::iterator< Vector<Real> > bary_it
= barycenter.begin(spatial_dimension);
for (UInt elem = 0; elem < nb_element; ++elem, ++bary_it)
mesh_facets.getBarycenter(elem, *it, bary_it->storage(), ghost_type);
}
}
/// setup facet communications
FacetSynchronizer * facet_synchronizer =
FacetSynchronizer::createFacetSynchronizer(*dist, mesh_facets);
AKANTU_DEBUG_INFO("Creating TestAccessor");
TestAccessor test_accessor(mesh, barycenters);
SynchronizerRegistry synch_registry(test_accessor);
synch_registry.registerSynchronizer(*facet_synchronizer, _gst_test);
/// synchronize facets and check results
AKANTU_DEBUG_INFO("Synchronizing tag");
synch_registry.synchronize(_gst_test);
delete facet_synchronizer;
delete dist;
akantu::finalize();
return EXIT_SUCCESS;
}
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