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mesh.hh
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			/**
			* @file mesh.hh
			*
			* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
			* @author Dana Christen <dana.christen@epfl.ch>
			* @author David Simon Kammer <david.kammer@epfl.ch>
			* @author Nicolas Richart <nicolas.richart@epfl.ch>
			* @author Marco Vocialta <marco.vocialta@epfl.ch>
			*
			* @date creation: Fri Jun 18 2010
			* @date last modification: Mon Feb 19 2018
			*
			* @brief the class representing the meshes
			*
			*
			* Copyright (©) 2010-2018 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/>.
			*
			*/

			/* -------------------------------------------------------------------------- */
			#ifndef AKANTU_MESH_HH_
			#define AKANTU_MESH_HH_

			/* -------------------------------------------------------------------------- */
			#include "aka_array.hh"
			#include "aka_bbox.hh"
			#include "aka_event_handler_manager.hh"
			#include "aka_memory.hh"
			#include "communicator.hh"
			#include "dumpable.hh"
			#include "element.hh"
			#include "element_class.hh"
			#include "element_type_map.hh"
			#include "group_manager.hh"
			#include "mesh_data.hh"
			#include "mesh_events.hh"
			/* -------------------------------------------------------------------------- */
			#include <functional>
			#include <set>
			#include <unordered_map>
			/* -------------------------------------------------------------------------- */

			namespace akantu {
			class ElementSynchronizer;
			class NodeSynchronizer;
			class PeriodicNodeSynchronizer;
			class MeshGlobalDataUpdater;
			} // namespace akantu

			namespace akantu {

			namespace {
			DECLARE_NAMED_ARGUMENT(communicator);
			DECLARE_NAMED_ARGUMENT(edge_weight_function);
			DECLARE_NAMED_ARGUMENT(vertex_weight_function);
			} // namespace

			/* -------------------------------------------------------------------------- */
			/* Mesh */
			/* -------------------------------------------------------------------------- */

			/**
			* @class Mesh mesh.hh
			*
			* This class contaisn the coordinates of the nodes in the Mesh.nodes
			* akant::Array, and the connectivity. The connectivity are stored in by element
			* types.
			*
			* In order to loop on all element you have to loop on all types like this :
			* @code{.cpp}
			for(auto & type : mesh.elementTypes()) {
			UInt nb_element = mesh.getNbElement(type);
			const Array<UInt> & conn = mesh.getConnectivity(type);
			for(UInt e = 0; e < nb_element; ++e) {
			...
			}
			}

			or

			for_each_element(mesh, [](Element & element) {
			std::cout << element << std::endl
			});
			@endcode
			*/
			class Mesh : protected Memory,
			public EventHandlerManager<MeshEventHandler>,
			public GroupManager,
			public MeshData,
			public Dumpable {
			/* ------------------------------------------------------------------------ */
			/* Constructors/Destructors */
			/* ------------------------------------------------------------------------ */
			private:
			/// default constructor used for chaining, the last parameter is just to
			/// differentiate constructors
			Mesh(UInt spatial_dimension, const ID & id, const MemoryID & memory_id,
			Communicator & communicator);

			public:
			/// constructor that create nodes coordinates array
			Mesh(UInt spatial_dimension, const ID & id = "mesh",
			const MemoryID & memory_id = 0);

			/// mesh not distributed and not using the default communicator
			Mesh(UInt spatial_dimension, Communicator & communicator,
			const ID & id = "mesh", const MemoryID & memory_id = 0);

			/**
			* constructor that use an existing nodes coordinates
			* array, by getting the vector of coordinates
			*/
			Mesh(UInt spatial_dimension, const std::shared_ptr<Array<Real>> & nodes,
			const ID & id = "mesh", const MemoryID & memory_id = 0);

			~Mesh() override;

			/// read the mesh from a file
			void read(const std::string & filename,
			const MeshIOType & mesh_io_type = _miot_auto);
			/// write the mesh to a file
			void write(const std::string & filename,
			const MeshIOType & mesh_io_type = _miot_auto);

			protected:
			void makeReady();

			private:
			/// initialize the connectivity to NULL and other stuff
			void init();

			/// function that computes the bounding box (fills xmin, xmax)
			void computeBoundingBox();

			/* ------------------------------------------------------------------------ */
			/* Distributed memory methods and accessors */
			/* ------------------------------------------------------------------------ */
			public:
			protected:
			/// patitionate the mesh among the processors involved in their computation
			virtual void distributeImpl(
			Communicator & communicator,
			const std::function<Int(const Element &, const Element &)> &
			edge_weight_function,
			const std::function<Int(const Element &)> & vertex_weight_function);

			public:
			/// with the arguments to pass to the partitionner
			template <typename... pack>
			std::enable_if_t<are_named_argument<pack...>::value>
			distribute(pack &&... _pack) {
			distributeImpl(
			OPTIONAL_NAMED_ARG(communicator, Communicator::getStaticCommunicator()),
			OPTIONAL_NAMED_ARG(edge_weight_function,
			[](auto &&, auto &&) { return 1; }),
			OPTIONAL_NAMED_ARG(vertex_weight_function, [](auto &&) { return 1; }));
			}

			/// defines is the mesh is distributed or not
			inline bool isDistributed() const { return this->is_distributed; }

			/* ------------------------------------------------------------------------ */
			/* Periodicity methods and accessors */
			/* ------------------------------------------------------------------------ */
			public:
			/// set the periodicity in a given direction
			void makePeriodic(const SpatialDirection & direction);
			void makePeriodic(const SpatialDirection & direction, const ID & list_1,
			const ID & list_2);

			protected:
			void makePeriodic(const SpatialDirection & direction,
			const Array<UInt> & list_left,
			const Array<UInt> & list_right);

			/// Removes the face that the mesh is periodic
			void wipePeriodicInfo();

			inline void addPeriodicSlave(UInt slave, UInt master);

			template <typename T>
			void synchronizePeriodicSlaveDataWithMaster(Array<T> & data);

			// update the periodic synchronizer (creates it if it does not exists)
			void updatePeriodicSynchronizer();

			public:
			/// defines if the mesh is periodic or not
			inline bool isPeriodic() const { return this->is_periodic; }

			inline bool isPeriodic(const SpatialDirection & /direction/) const {
			return this->is_periodic;
			}

			class PeriodicSlaves;

			/// get the master node for a given slave nodes, except if node not a slave
			inline UInt getPeriodicMaster(UInt slave) const;

			/// get an iterable list of slaves for a given master node
			inline decltype(auto) getPeriodicSlaves(UInt master) const;

			/* ------------------------------------------------------------------------ */
			/* General Methods */
			/* ------------------------------------------------------------------------ */
			public:
			/// function to print the containt of the class
			void printself(std::ostream & stream, int indent = 0) const override;

			/// extract coordinates of nodes from an element
			template <typename T>
			inline void
			extractNodalValuesFromElement(const Array<T> & nodal_values, T * local_coord,
			const UInt * connectivity, UInt n_nodes,
			UInt nb_degree_of_freedom) const;

			// /// extract coordinates of nodes from a reversed element
			// inline void extractNodalCoordinatesFromPBCElement(Real * local_coords,
			// UInt * connectivity,
			// UInt n_nodes);

			/// add a Array of connectivity for the given ElementType and GhostType .
			inline void addConnectivityType(ElementType type,
			GhostType ghost_type = _not_ghost);

			/* ------------------------------------------------------------------------ */
			template <class Event> inline void sendEvent(Event & event) {
			// if(event.getList().size() != 0)
			EventHandlerManager<MeshEventHandler>::sendEvent<Event>(event);
			}

			/// prepare the event to remove the elements listed
			void eraseElements(const Array<Element> & elements);

			/* ------------------------------------------------------------------------ */
			template <typename T>
			inline void removeNodesFromArray(Array<T> & vect,
			const Array<UInt> & new_numbering);

			/// initialize normals
			void initNormals();

			/// init facets' mesh
			Mesh & initMeshFacets(const ID & id = "mesh_facets");

			/// define parent mesh
			void defineMeshParent(const Mesh & mesh);

			/// get global connectivity array
			void getGlobalConnectivity(ElementTypeMapArray<UInt> & global_connectivity);

			public:
			void getAssociatedElements(const Array<UInt> & node_list,
			Array<Element> & elements);

			private:
			/// fills the nodes_to_elements structure
			void fillNodesToElements();

			/// update the global ids, nodes type, ...
			std::tuple<UInt, UInt> updateGlobalData(NewNodesEvent & nodes_event,
			NewElementsEvent & elements_event);

			void registerGlobalDataUpdater(
			std::unique_ptr<MeshGlobalDataUpdater> && global_data_updater);
			/* ------------------------------------------------------------------------ */
			/* Accessors */
			/* ------------------------------------------------------------------------ */
			public:
			/// get the id of the mesh
			AKANTU_GET_MACRO(ID, Memory::id, const ID &);

			/// get the id of the mesh
			AKANTU_GET_MACRO(MemoryID, Memory::memory_id, const MemoryID &);

			/// get the spatial dimension of the mesh = number of component of the
			/// coordinates
			AKANTU_GET_MACRO(SpatialDimension, spatial_dimension, UInt);

			/// get the nodes Array aka coordinates
			AKANTU_GET_MACRO(Nodes, *nodes, const Array<Real> &);
			AKANTU_GET_MACRO_NOT_CONST(Nodes, *nodes, Array<Real> &);

			/// get the normals for the elements
			AKANTU_GET_MACRO_BY_ELEMENT_TYPE(Normals, normals, Real);

			/// get the number of nodes
			AKANTU_GET_MACRO(NbNodes, nodes->size(), UInt);

			/// get the Array of global ids of the nodes (only used in parallel)
			AKANTU_GET_MACRO(GlobalNodesIds, *nodes_global_ids, const Array<UInt> &);
			// AKANTU_GET_MACRO_NOT_CONST(GlobalNodesIds, *nodes_global_ids, Array<UInt>
			// &);

			/// get the global id of a node
			inline UInt getNodeGlobalId(UInt local_id) const;

			/// get the global id of a node
			inline UInt getNodeLocalId(UInt global_id) const;

			/// get the global number of nodes
			inline UInt getNbGlobalNodes() const;

			/// get the nodes type Array
			AKANTU_GET_MACRO(NodesFlags, *nodes_flags, const Array<NodeFlag> &);

			protected:
			AKANTU_GET_MACRO_NOT_CONST(NodesFlags, *nodes_flags, Array<NodeFlag> &);

			public:
			inline NodeFlag getNodeFlag(UInt local_id) const;
			inline Int getNodePrank(UInt local_id) const;

			/// say if a node is a pure ghost node
			inline bool isPureGhostNode(UInt n) const;

			/// say if a node is pur local or master node
			inline bool isLocalOrMasterNode(UInt n) const;

			inline bool isLocalNode(UInt n) const;
			inline bool isMasterNode(UInt n) const;
			inline bool isSlaveNode(UInt n) const;

			inline bool isPeriodicSlave(UInt n) const;
			inline bool isPeriodicMaster(UInt n) const;

			const Vector<Real> & getLowerBounds() const { return bbox.getLowerBounds(); }
			const Vector<Real> & getUpperBounds() const { return bbox.getUpperBounds(); }
			AKANTU_GET_MACRO(BBox, bbox, const BBox &);

			const Vector<Real> & getLocalLowerBounds() const {
			return bbox_local.getLowerBounds();
			}
			const Vector<Real> & getLocalUpperBounds() const {
			return bbox_local.getUpperBounds();
			}
			AKANTU_GET_MACRO(LocalBBox, bbox_local, const BBox &);

			/// get the connectivity Array for a given type
			AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(Connectivity, connectivities, UInt);
			AKANTU_GET_MACRO_BY_ELEMENT_TYPE(Connectivity, connectivities, UInt);
			AKANTU_GET_MACRO(Connectivities, connectivities,
			const ElementTypeMapArray<UInt> &);

			/// get the number of element of a type in the mesh
			inline UInt getNbElement(ElementType type,
			GhostType ghost_type = _not_ghost) const;

			/// get the number of element for a given ghost_type and a given dimension
			inline UInt getNbElement(UInt spatial_dimension = _all_dimensions,
			GhostType ghost_type = _not_ghost,
			ElementKind kind = _ek_not_defined) const;

			/// compute the barycenter of a given element
			inline void getBarycenter(const Element & element,
			Vector<Real> & barycenter) const;

			void getBarycenters(Array<Real> & barycenter, ElementType type,
			GhostType ghost_type) const;

			/// get the element connected to a subelement (element of lower dimension)
			const auto & getElementToSubelement() const;

			/// get the element connected to a subelement
			const auto & getElementToSubelement(ElementType el_type,
			GhostType ghost_type = _not_ghost) const;

			/// get the elements connected to a subelement
			const auto & getElementToSubelement(const Element & element) const;

			/// get the subelement (element of lower dimension) connected to a element
			const auto & getSubelementToElement() const;

			/// get the subelement connected to an element
			const auto &
			getSubelementToElement(ElementType el_type,
			GhostType ghost_type = _not_ghost) const;

			/// get the subelement (element of lower dimension) connected to a element
			VectorProxy<Element> getSubelementToElement(const Element & element) const;

			/// get connectivity of a given element
			inline VectorProxy<UInt> getConnectivity(const Element & element) const;
			inline Vector<UInt>
			getConnectivityWithPeriodicity(const Element & element) const;

			protected:
			/// get the element connected to a subelement (element of lower dimension)
			auto & getElementToSubelementNC();
			auto & getSubelementToElementNC();
			inline auto & getElementToSubelementNC(const Element & element);
			inline VectorProxy<Element> getSubelementToElementNC(const Element & element);
			/// get the element connected to a subelement
			auto & getElementToSubelementNC(ElementType el_type,
			GhostType ghost_type = _not_ghost);
			/// get the subelement connected to an element
			auto & getSubelementToElementNC(ElementType el_type,
			GhostType ghost_type = _not_ghost);

			inline VectorProxy<UInt> getConnectivityNC(const Element & element);

			public:
			/// get a name field associated to the mesh
			template <typename T>
			inline const Array<T> & getData(const ID & data_name, ElementType el_type,
			GhostType ghost_type = _not_ghost) const;

			/// get a name field associated to the mesh
			template <typename T>
			inline Array<T> & getData(const ID & data_name, ElementType el_type,
			GhostType ghost_type = _not_ghost);

			/// get a name field associated to the mesh
			template <typename T>
			inline const ElementTypeMapArray<T> & getData(const ID & data_name) const;

			/// get a name field associated to the mesh
			template <typename T>
			inline ElementTypeMapArray<T> & getData(const ID & data_name);

			template <typename T>
			ElementTypeMap<UInt> getNbDataPerElem(ElementTypeMapArray<T> & array);

			template <typename T>
			std::shared_ptr<dumpers::Field>
			createFieldFromAttachedData(const std::string & field_id,
			const std::string & group_name,
			ElementKind element_kind);

			/// templated getter returning the pointer to data in MeshData (modifiable)
			template <typename T>
			inline Array<T> &
			getDataPointer(const std::string & data_name, ElementType el_type,
			GhostType ghost_type = _not_ghost, UInt nb_component = 1,
			bool size_to_nb_element = true,
			bool resize_with_parent = false);

			template <typename T>
			inline Array<T> & getDataPointer(const ID & data_name, ElementType el_type,
			GhostType ghost_type, UInt nb_component,
			bool size_to_nb_element,
			bool resize_with_parent, const T & defaul_);

			/// Facets mesh accessor
			inline const Mesh & getMeshFacets() const;
			inline Mesh & getMeshFacets();

			inline auto hasMeshFacets() const { return mesh_facets != nullptr; }

			/// Parent mesh accessor
			inline const Mesh & getMeshParent() const;

			inline bool isMeshFacets() const { return this->is_mesh_facets; }

			/// return the dumper from a group and and a dumper name
			DumperIOHelper & getGroupDumper(const std::string & dumper_name,
			const std::string & group_name);

			/* ------------------------------------------------------------------------ */
			/* Wrappers on ElementClass functions */
			/* ------------------------------------------------------------------------ */
			public:
			/// get the number of nodes per element for a given element type
			static inline UInt getNbNodesPerElement(ElementType type);

			/// get the number of nodes per element for a given element type considered as
			/// a first order element
			static inline ElementType getP1ElementType(ElementType type);

			/// get the kind of the element type
			static inline ElementKind getKind(ElementType type);

			/// get spatial dimension of a type of element
			static inline UInt getSpatialDimension(ElementType type);

			/// get number of facets of a given element type
			static inline UInt getNbFacetsPerElement(ElementType type);

			/// get number of facets of a given element type
			static inline UInt getNbFacetsPerElement(ElementType type, UInt t);

			/// get local connectivity of a facet for a given facet type
			static inline auto getFacetLocalConnectivity(ElementType type, UInt t = 0);

			/// get connectivity of facets for a given element
			inline auto getFacetConnectivity(const Element & element, UInt t = 0) const;

			/// get the number of type of the surface element associated to a given
			/// element type
			static inline UInt getNbFacetTypes(ElementType type, UInt t = 0);

			/// get the type of the surface element associated to a given element
			static inline constexpr auto getFacetType(ElementType type, UInt t = 0);

			/// get all the type of the surface element associated to a given element
			static inline constexpr auto getAllFacetTypes(ElementType type);

			/// get the number of nodes in the given element list
			static inline UInt getNbNodesPerElementList(const Array<Element> & elements);

			/* ------------------------------------------------------------------------ */
			/* Element type Iterator */
			/* ------------------------------------------------------------------------ */

			using type_iterator [[deprecated]] =
			ElementTypeMapArray<UInt, ElementType>::type_iterator;
			using ElementTypesIteratorHelper =
			ElementTypeMapArray<UInt, ElementType>::ElementTypesIteratorHelper;

			template <typename... pack>
			ElementTypesIteratorHelper elementTypes(pack &&... _pack) const;

			[[deprecated("Use elementTypes instead")]] inline decltype(auto)
			firstType(UInt dim = _all_dimensions, GhostType ghost_type = _not_ghost,
			ElementKind kind = _ek_regular) const {
			return connectivities.elementTypes(dim, ghost_type, kind).begin();
			}

			[[deprecated("Use elementTypes instead")]] inline decltype(auto)
			lastType(UInt dim = _all_dimensions, GhostType ghost_type = _not_ghost,
			ElementKind kind = _ek_regular) const {
			return connectivities.elementTypes(dim, ghost_type, kind).end();
			}

			AKANTU_GET_MACRO(ElementSynchronizer, *element_synchronizer,
			const ElementSynchronizer &);
			AKANTU_GET_MACRO_NOT_CONST(ElementSynchronizer, *element_synchronizer,
			ElementSynchronizer &);
			AKANTU_GET_MACRO(NodeSynchronizer, *node_synchronizer,
			const NodeSynchronizer &);
			AKANTU_GET_MACRO_NOT_CONST(NodeSynchronizer, *node_synchronizer,
			NodeSynchronizer &);
			AKANTU_GET_MACRO(PeriodicNodeSynchronizer, *periodic_node_synchronizer,
			const PeriodicNodeSynchronizer &);
			AKANTU_GET_MACRO_NOT_CONST(PeriodicNodeSynchronizer,
			*periodic_node_synchronizer,
			PeriodicNodeSynchronizer &);

			// AKANTU_GET_MACRO_NOT_CONST(Communicator, *communicator, StaticCommunicator
			// &);
			AKANTU_GET_MACRO(Communicator, *communicator, const auto &);
			AKANTU_GET_MACRO_NOT_CONST(Communicator, *communicator, auto &);
			AKANTU_GET_MACRO(PeriodicMasterSlaves, periodic_master_slave, const auto &);

			/* ------------------------------------------------------------------------ */
			/* Private methods for friends */
			/* ------------------------------------------------------------------------ */
			private:
			friend class MeshAccessor;
			friend class MeshUtils;

			AKANTU_GET_MACRO(NodesPointer, *nodes, Array<Real> &);

			/// get a pointer to the nodes_global_ids Array<UInt> and create it if
			/// necessary
			inline Array<UInt> & getNodesGlobalIdsPointer();

			/// get a pointer to the nodes_type Array<Int> and create it if necessary
			inline Array<NodeFlag> & getNodesFlagsPointer();

			/// get a pointer to the connectivity Array for the given type and create it
			/// if necessary
			inline Array<UInt> &
			getConnectivityPointer(ElementType type, GhostType ghost_type = _not_ghost);

			/// get the ghost element counter
			inline Array<UInt> & getGhostsCounters(ElementType type,
			GhostType ghost_type = _ghost) {
			AKANTU_DEBUG_ASSERT(ghost_type != _not_ghost,
			"No ghost counter for _not_ghost elements");
			return ghosts_counters(type, ghost_type);
			}

			/// get a pointer to the element_to_subelement Array for the given type and
			/// create it if necessary
			inline Array<std::vector<Element>> &
			getElementToSubelementPointer(ElementType type,
			GhostType ghost_type = _not_ghost);

			/// get a pointer to the subelement_to_element Array for the given type and
			/// create it if necessary
			inline Array<Element> &
			getSubelementToElementPointer(ElementType type,
			GhostType ghost_type = _not_ghost);

			/* ------------------------------------------------------------------------ */
			/* Class Members */
			/* ------------------------------------------------------------------------ */
			private:
			/// array of the nodes coordinates
			std::shared_ptr<Array<Real>> nodes;

			/// global node ids
			std::shared_ptr<Array<UInt>> nodes_global_ids;

			/// node flags (shared/periodic/...)
			std::shared_ptr<Array<NodeFlag>> nodes_flags;

			/// processor handling the node when not local or master
			std::unordered_map<UInt, Int> nodes_prank;

			/// global number of nodes;
			UInt nb_global_nodes{0};

			/// all class of elements present in this mesh (for heterogenous meshes)
			ElementTypeMapArray<UInt> connectivities;

			/// count the references on ghost elements
			ElementTypeMapArray<UInt> ghosts_counters;

			/// map to normals for all class of elements present in this mesh
			ElementTypeMapArray<Real> normals;

			/// the spatial dimension of this mesh
			UInt spatial_dimension{0};

			/// size covered by the mesh on each direction
			Vector<Real> size;
			/// global bounding box
			BBox bbox;

			/// local bounding box
			BBox bbox_local;

			/// Extra data loaded from the mesh file
			// MeshData mesh_data;

			/// facets' mesh
			std::unique_ptr<Mesh> mesh_facets;

			/// parent mesh (this is set for mesh_facets meshes)
			const Mesh * mesh_parent{nullptr};

			/// defines if current mesh is mesh_facets or not
			bool is_mesh_facets{false};

			/// defines if the mesh is centralized or distributed
			bool is_distributed{false};

			/// defines if the mesh is periodic
			bool is_periodic{false};

			/// Communicator on which mesh is distributed
			Communicator * communicator;

			/// Element synchronizer
			std::unique_ptr<ElementSynchronizer> element_synchronizer;

			/// Node synchronizer
			std::unique_ptr<NodeSynchronizer> node_synchronizer;

			/// Node synchronizer for periodic nodes
			std::unique_ptr<PeriodicNodeSynchronizer> periodic_node_synchronizer;

			using NodesToElements = std::vector<std::unique_ptr<std::set<Element>>>;

			/// class to update global data using external knowledge
			std::unique_ptr<MeshGlobalDataUpdater> global_data_updater;

			/// This info is stored to simplify the dynamic changes
			NodesToElements nodes_to_elements;

			/// periodicity local info
			std::unordered_map<UInt, UInt> periodic_slave_master;
			std::unordered_multimap<UInt, UInt> periodic_master_slave;
			};

			/// standard output stream operator
			inline std::ostream & operator<<(std::ostream & stream, const Mesh & _this) {
			_this.printself(stream);
			return stream;
			}

			} // namespace akantu

			/* -------------------------------------------------------------------------- */
			/* Inline functions */
			/* -------------------------------------------------------------------------- */
			#include "element_type_map_tmpl.hh"
			#include "mesh_inline_impl.hh"

			#endif /* AKANTU_MESH_HH_ */

rAKA/src/mesh/mesh.hh4c275a228579bugfixes/41-group-not…

mesh.hhView Options

rAKA/src/mesh/mesh.hh
4c275a228579bugfixes/41-group-not…

mesh.hh
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