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test_synchronizers_fixture.hh
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			/* -------------------------------------------------------------------------- */
			#include "aka_iterators.hh"
			#include "communicator.hh"
			#include "mesh.hh"
			/* -------------------------------------------------------------------------- */
			#include <gtest/gtest.h>
			/* -------------------------------------------------------------------------- */

			using namespace akantu;

			class TestSynchronizerFixture : public ::testing::Test {
			public:
			virtual void SetUp() {
			const UInt spatial_dimension = 3;

			mesh = std::make_unique<Mesh>(spatial_dimension);

			const auto & comm = Communicator::getStaticCommunicator();
			Int prank = comm.whoAmI();

			if (prank == 0) {
			this->mesh->read("cube.msh");
			}
			}

			virtual void TearDown() { this->mesh.reset(nullptr); }

			void initBarycenters(ElementTypeMapArray<Real> & barycenters, Mesh & mesh) {
			auto spatial_dimension = mesh.getSpatialDimension();
			barycenters.initialize(mesh, _spatial_dimension = _all_dimensions,
			_nb_component = spatial_dimension,
			_with_nb_element = true);

			for (auto && ghost_type : ghost_types) {
			for (const auto & type : mesh.elementTypes(_all_dimensions, ghost_type)) {
			for (auto && data : enumerate(
			make_view(barycenters(type, ghost_type), spatial_dimension))) {
			Element element{type, UInt(std::get<0>(data)), ghost_type};
			mesh.getBarycenter(element, std::get<1>(data));
			}
			}
			}
			}

			void distribute() { this->mesh->distribute(); }

			protected:
			std::unique_ptr<Mesh> mesh;
			};