mesh_data_tmpl.hh
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mesh_data_tmpl.hh
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	/**
	* @file mesh_data_tmpl.hh
	*
	* @author Dana Christen <dana.christen@gmail.com>
	* @author Nicolas Richart <nicolas.richart@epfl.ch>
	*
	* @date creation: Fri May 03 2013
	* @date last modification: Tue Feb 20 2018
	*
	* @brief Stores generic data loaded from the mesh file
	*
	*
	* Copyright (©) 2014-2018 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 "mesh_data.hh"
	/* -------------------------------------------------------------------------- */

	#ifndef AKANTU_MESH_DATA_TMPL_HH_
	#define AKANTU_MESH_DATA_TMPL_HH_

	namespace akantu {

	#define AKANTU_MESH_DATA_OSTREAM(r, name, elem) \
	case MeshDataTypeCode::BOOST_PP_TUPLE_ELEM(2, 0, elem): { \
	stream << BOOST_PP_STRINGIZE(BOOST_PP_TUPLE_ELEM(2, 1, elem)); \
	break; \
	}

	inline std::ostream & operator<<(std::ostream & stream,
	const MeshDataTypeCode & type_code) {
	switch (type_code) {
	BOOST_PP_SEQ_FOR_EACH(AKANTU_MESH_DATA_OSTREAM, name,
	AKANTU_MESH_DATA_TYPES)
	default:
	stream << "(unknown type)";
	}
	return stream;
	}
	#undef AKANTU_MESH_DATA_OSTREAM

	#define MESH_DATA_GET_TYPE(r, data, type) \
	template <> \
	inline MeshDataTypeCode \
	MeshData::getTypeCode<BOOST_PP_TUPLE_ELEM(2, 1, type)>() const { \
	return MeshDataTypeCode::BOOST_PP_TUPLE_ELEM(2, 0, type); \
	}

	/* -------------------------------------------------------------------------- */
	// get the type of the data stored in elemental_data
	template <typename T> inline MeshDataTypeCode MeshData::getTypeCode() const {
	AKANTU_ERROR("Type " << debug::demangle(typeid(T).name())
	<< " not implemented by MeshData.");
	}

	/* -------------------------------------------------------------------------- */
	BOOST_PP_SEQ_FOR_EACH(MESH_DATA_GET_TYPE, void, AKANTU_MESH_DATA_TYPES)
	#undef MESH_DATA_GET_TYPE

	inline MeshDataTypeCode MeshData::getTypeCode(const ID & name,
	MeshDataType type) const {
	auto it = typecode_map.at(type).find(name);
	if (it == typecode_map.at(type).end()) {
	AKANTU_EXCEPTION("No dataset named " << name << " found.");
	}
	return it->second;
	}

	/* -------------------------------------------------------------------------- */
	// Register new elemental data templated (and alloc data) with check if the
	// name is new
	template <typename T>
	ElementTypeMapArray<T> & MeshData::registerElementalData(const ID & name) {
	auto it = elemental_data.find(name);
	if (it == elemental_data.end()) {
	return allocElementalData<T>(name);
	}
	AKANTU_DEBUG_INFO("Data named " << name << " already registered.");
	return getElementalData<T>(name);
	}

	/* -------------------------------------------------------------------------- */
	// Register new elemental data of a given MeshDataTypeCode with check if the
	// name is new
	#define AKANTU_MESH_DATA_CASE_MACRO(r, name, elem) \
	case MeshDataTypeCode::BOOST_PP_TUPLE_ELEM(2, 0, elem): { \
	registerElementalData<BOOST_PP_TUPLE_ELEM(2, 1, elem)>(name); \
	break; \
	}

	inline void MeshData::registerElementalData(const ID & name,
	MeshDataTypeCode type) {
	switch (type) {
	BOOST_PP_SEQ_FOR_EACH(AKANTU_MESH_DATA_CASE_MACRO, name,
	AKANTU_MESH_DATA_TYPES)
	default:
	AKANTU_ERROR("Type " << type << "not implemented by MeshData.");
	}
	}
	#undef AKANTU_MESH_DATA_CASE_MACRO

	/* -------------------------------------------------------------------------- */
	/// Register new elemental data (and alloc data)
	template <typename T>
	ElementTypeMapArray<T> & MeshData::allocElementalData(const ID & name) {
	auto dataset =
	std::make_unique<ElementTypeMapArray<T>>(name, _id, _memory_id);
	auto * dataset_typed = dataset.get();
	elemental_data[name] = std::move(dataset);
	typecode_map[MeshDataType::_elemental][name] = getTypeCode<T>();
	return *dataset_typed;
	}

	/* -------------------------------------------------------------------------- */
	// Register new nodal data templated (and alloc data) with check if the
	// name is new
	template <typename T>
	Array<T> & MeshData::registerNodalData(const ID & name, UInt nb_components) {
	auto it = nodal_data.find(name);
	if (it == nodal_data.end()) {
	return allocNodalData<T>(name, nb_components);
	}
	AKANTU_DEBUG_INFO("Data named " << name << " already registered.");
	return getNodalData<T>(name);
	}

	/* -------------------------------------------------------------------------- */
	// Register new elemental data of a given MeshDataTypeCode with check if the
	// name is new
	#define AKANTU_MESH_NODAL_DATA_CASE_MACRO(r, name, elem) \
	case MeshDataTypeCode::BOOST_PP_TUPLE_ELEM(2, 0, elem): { \
	registerNodalData<BOOST_PP_TUPLE_ELEM(2, 1, elem)>(name, nb_components); \
	break; \
	}

	inline void MeshData::registerNodalData(const ID & name, UInt nb_components,
	MeshDataTypeCode type) {
	switch (type) {
	BOOST_PP_SEQ_FOR_EACH(AKANTU_MESH_NODAL_DATA_CASE_MACRO, name,
	AKANTU_MESH_DATA_TYPES)
	default:
	AKANTU_ERROR("Type " << type << "not implemented by MeshData.");
	}
	}
	#undef AKANTU_MESH_NODAL_DATA_CASE_MACRO

	/* -------------------------------------------------------------------------- */
	/// Register new elemental data (and alloc data)
	template <typename T>
	Array<T> & MeshData::allocNodalData(const ID & name, UInt nb_components) {
	auto dataset =
	std::make_unique<Array<T>>(0, nb_components, T(), _id + ":" + name);
	auto * dataset_typed = dataset.get();
	nodal_data[name] = std::move(dataset);
	typecode_map[MeshDataType::_nodal][name] = getTypeCode<T>();
	return *dataset_typed;
	}

	/* -------------------------------------------------------------------------- */
	template <typename T>
	const Array<T> & MeshData::getNodalData(const ID & name) const {
	auto it = nodal_data.find(name);
	if (it == nodal_data.end()) {
	AKANTU_EXCEPTION("No nodal dataset named " << name << " found.");
	}
	return aka::as_type<Array<T>>(*(it->second.get()));
	}

	/* -------------------------------------------------------------------------- */
	// Get an existing elemental data
	template <typename T>
	Array<T> & MeshData::getNodalData(const ID & name, UInt nb_components) {
	auto it = nodal_data.find(name);
	if (it == nodal_data.end()) {
	return allocNodalData<T>(name, nb_components);
	}

	return aka::as_type<Array<T>>(*(it->second.get()));
	}

	/* -------------------------------------------------------------------------- */
	template <typename T>
	const ElementTypeMapArray<T> &
	MeshData::getElementalData(const ID & name) const {
	auto it = elemental_data.find(name);
	if (it == elemental_data.end()) {
	AKANTU_EXCEPTION("No dataset named " << name << " found.");
	}
	return aka::as_type<ElementTypeMapArray<T>>(*(it->second.get()));
	}

	/* -------------------------------------------------------------------------- */
	// Get an existing elemental data
	template <typename T>
	ElementTypeMapArray<T> & MeshData::getElementalData(const ID & name) {
	auto it = elemental_data.find(name);
	if (it == elemental_data.end()) {
	return allocElementalData<T>(name);
	}

	return aka::as_type<ElementTypeMapArray<T>>(*(it->second.get()));
	}

	/* -------------------------------------------------------------------------- */
	template <typename T>
	bool MeshData::hasData(const ID & name, ElementType elem_type,
	GhostType ghost_type) const {
	auto it = elemental_data.find(name);
	if (it == elemental_data.end()) {
	return false;
	}

	auto & elem_map = aka::as_type<ElementTypeMapArray<T>>(*(it->second));
	return elem_map.exists(elem_type, ghost_type);
	}

	/* -------------------------------------------------------------------------- */
	inline bool MeshData::hasData(const ID & name, MeshDataType type) const {
	if (type == MeshDataType::_elemental) {
	auto it = elemental_data.find(name);
	return (it != elemental_data.end());
	}

	if (type == MeshDataType::_nodal) {
	auto it = nodal_data.find(name);
	return (it != nodal_data.end());
	}

	return false;
	}

	/* -------------------------------------------------------------------------- */
	inline bool MeshData::hasData(MeshDataType type) const {
	switch (type) {
	case MeshDataType::_elemental:
	return (not elemental_data.empty());
	case MeshDataType::_nodal:
	return (not nodal_data.empty());
	}

	return false;
	}

	/* -------------------------------------------------------------------------- */
	template <typename T>
	const Array<T> &
	MeshData::getElementalDataArray(const ID & name, ElementType elem_type,
	GhostType ghost_type) const {
	auto it = elemental_data.find(name);
	if (it == elemental_data.end()) {
	AKANTU_EXCEPTION("Data named " << name
	<< " not registered for type: " << elem_type
	<< " - ghost_type:" << ghost_type << "!");
	}
	return aka::as_type<ElementTypeMapArray<T>>(*(it->second))(elem_type,
	ghost_type);
	}

	template <typename T>
	Array<T> & MeshData::getElementalDataArray(const ID & name,
	ElementType elem_type,
	GhostType ghost_type) {
	auto it = elemental_data.find(name);
	if (it == elemental_data.end()) {
	AKANTU_EXCEPTION("Data named " << name
	<< " not registered for type: " << elem_type
	<< " - ghost_type:" << ghost_type << "!");
	}
	return aka::as_type<ElementTypeMapArray<T>>(*(it->second.get()))(elem_type,
	ghost_type);
	}

	/* -------------------------------------------------------------------------- */
	// Get an elemental data array, if it does not exist: allocate it
	template <typename T>
	Array<T> & MeshData::getElementalDataArrayAlloc(const ID & name,
	ElementType elem_type,
	GhostType ghost_type,
	UInt nb_component) {
	auto it = elemental_data.find(name);
	ElementTypeMapArray<T> * dataset;
	if (it == elemental_data.end()) {
	dataset = &allocElementalData<T>(name);
	} else {
	dataset = dynamic_cast<ElementTypeMapArray<T> *>(it->second.get());
	}
	AKANTU_DEBUG_ASSERT(
	getTypeCode<T>() ==
	typecode_map.at(MeshDataType::_elemental).find(name)->second,
	"Function getElementalDataArrayAlloc called with the wrong type!");
	if (!(dataset->exists(elem_type, ghost_type))) {
	dataset->alloc(0, nb_component, elem_type, ghost_type);
	}
	return (*dataset)(elem_type, ghost_type);
	}

	/* -------------------------------------------------------------------------- */
	#define AKANTU_MESH_DATA_CASE_MACRO(r, name, elem) \
	case MeshDataTypeCode::BOOST_PP_TUPLE_ELEM(2, 0, elem): { \
	nb_comp = getNbComponentTemplated<BOOST_PP_TUPLE_ELEM(2, 1, elem)>( \
	name, el_type, ghost_type); \
	break; \
	}

	inline UInt MeshData::getNbComponent(const ID & name,
	ElementType el_type,
	GhostType ghost_type) const {
	auto it = typecode_map.at(MeshDataType::_elemental).find(name);
	UInt nb_comp(0);
	if (it == typecode_map.at(MeshDataType::_elemental).end()) {
	AKANTU_EXCEPTION("Could not determine the type held in dataset "
	<< name << " for type: " << el_type
	<< " - ghost_type:" << ghost_type << ".");
	}
	MeshDataTypeCode type = it->second;
	switch (type) {
	BOOST_PP_SEQ_FOR_EACH(AKANTU_MESH_DATA_CASE_MACRO, name,
	AKANTU_MESH_DATA_TYPES)
	default:
	AKANTU_ERROR(
	"Could not call the correct instance of getNbComponentTemplated.");
	break;
	}
	return nb_comp;
	}
	#undef AKANTU_MESH_DATA_CASE_MACRO

	/* -------------------------------------------------------------------------- */
	template <typename T>
	inline UInt
	MeshData::getNbComponentTemplated(const ID & name, ElementType el_type,
	GhostType ghost_type) const {
	return getElementalDataArray<T>(name, el_type, ghost_type).getNbComponent();
	}

	/* -------------------------------------------------------------------------- */
	inline UInt MeshData::getNbComponent(const ID & name) const {
	auto it = nodal_data.find(name);
	if (it == nodal_data.end()) {
	AKANTU_EXCEPTION("No nodal dataset registered with the name" << name
	<< ".");
	}

	return it->second->getNbComponent();
	}

	/* -------------------------------------------------------------------------- */
	// get the names of the data stored in elemental_data
	#define AKANTU_MESH_DATA_CASE_MACRO(r, name, elem) \
	case MeshDataTypeCode::BOOST_PP_TUPLE_ELEM(2, 0, elem): { \
	ElementTypeMapArray<BOOST_PP_TUPLE_ELEM(2, 1, elem)> * dataset; \
	dataset = \
	dynamic_cast<ElementTypeMapArray<BOOST_PP_TUPLE_ELEM(2, 1, elem)> *>( \
	it->second.get()); \
	exists = dataset->exists(el_type, ghost_type); \
	break; \
	}

	inline auto MeshData::getTagNames(ElementType el_type,
	GhostType ghost_type) const {
	std::vector<std::string> tags;
	bool exists(false);

	auto it = elemental_data.begin();
	auto it_end = elemental_data.end();
	for (; it != it_end; ++it) {
	MeshDataTypeCode type = getTypeCode(it->first);
	switch (type) {
	BOOST_PP_SEQ_FOR_EACH(AKANTU_MESH_DATA_CASE_MACRO, ,
	AKANTU_MESH_DATA_TYPES)
	default:
	AKANTU_ERROR("Could not determine the proper type to (dynamic-)cast.");
	break;
	}
	if (exists) {
	tags.push_back(it->first);
	}
	}

	return tags;
	}
	#undef AKANTU_MESH_DATA_CASE_MACRO

	/* -------------------------------------------------------------------------- */
	inline auto MeshData::getTagNames() const {
	std::vector<std::string> tags;
	for (auto && data : nodal_data) {
	tags.push_back(std::get<0>(data));
	}
	return tags;
	}

	/* -------------------------------------------------------------------------- */
	} // namespace akantu

	#endif /* AKANTU_MESH_DATA_TMPL_HH_ */

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