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fe_engine_inline_impl.hh
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			/**
			* @file fe_engine_inline_impl.hh
			*
			* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
			* @author Nicolas Richart <nicolas.richart@epfl.ch>
			*
			* @date creation: Tue Jul 20 2010
			* @date last modification: Fri Dec 11 2020
			*
			* @brief Implementation of the inline functions of the FEEngine Class
			*
			*
			* @section LICENSE
			*
			* Copyright (©) 2010-2021 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 "element_class.hh"
			#include "fe_engine.hh"
			#include "mesh.hh"
			/* -------------------------------------------------------------------------- */
			#include "element_type_conversion.hh"
			/* -------------------------------------------------------------------------- */

			#ifndef AKANTU_FE_ENGINE_INLINE_IMPL_HH_
			#define AKANTU_FE_ENGINE_INLINE_IMPL_HH_

			namespace akantu {

			/* -------------------------------------------------------------------------- */
			inline Real FEEngine::getElementInradius(const Matrix<Real> & coord,
			ElementType type) {
			Real inradius = 0;

			#define GET_INRADIUS(type) inradius = ElementClass<type>::getInradius(coord);

			AKANTU_BOOST_ALL_ELEMENT_SWITCH(GET_INRADIUS);
			#undef GET_INRADIUS

			return inradius;
			}

			/* -------------------------------------------------------------------------- */
			inline Real FEEngine::getElementInradius(const Element & element) const {
			auto spatial_dimension = mesh.getSpatialDimension();
			auto positions = make_view(mesh.getNodes(), spatial_dimension).begin();
			auto connectivity = mesh.getConnectivities().get(element);

			Matrix<Real> coords(spatial_dimension, connectivity.size());

			for (auto && data : zip(connectivity, coords)) {
			Vector<Real>(std::get<1>(data)) =
			Vector<Real>(positions[std::get<0>(data)]);
			}

			return getElementInradius(coords, element.type);
			}

			/* -------------------------------------------------------------------------- */
			inline InterpolationType FEEngine::getInterpolationType(ElementType type) {
			return convertType<ElementType, InterpolationType>(type);
			}

			/* -------------------------------------------------------------------------- */
			/// @todo rewrite this function in order to get the cohesive element
			/// type directly from the facet
			#if defined(AKANTU_COHESIVE_ELEMENT)
			inline ElementType FEEngine::getCohesiveElementType(ElementType type) {
			ElementType ctype;
			#define GET_COHESIVE_TYPE(type) \
			ctype = CohesiveFacetProperty<type>::cohesive_type;

			AKANTU_BOOST_ALL_ELEMENT_SWITCH(GET_COHESIVE_TYPE);
			#undef GET_COHESIVE_TYPE

			return ctype;
			}
			#else
			inline ElementType FEEngine::getCohesiveElementType(__attribute__((unused))
			ElementType type_facet) {
			return _not_defined;
			}
			#endif

			/* -------------------------------------------------------------------------- */
			#if defined(AKANTU_IGFEM)
			} // akantu
			#include "igfem_helper.hh"
			namespace akantu {

			inline Vector<ElementType> FEEngine::getIGFEMElementTypes(ElementType type) {

			#define GET_IGFEM_ELEMENT_TYPES(type) \
			return IGFEMHelper::getIGFEMElementTypes<type>();

			AKANTU_BOOST_REGULAR_ELEMENT_SWITCH(GET_IGFEM_ELEMENT_TYPES);

			#undef GET_IGFEM_ELEMENT_TYPES
			}
			#endif

			/* -------------------------------------------------------------------------- */
			template <typename T>
			void FEEngine::extractNodalToElementField(const Mesh & mesh,
			const Array<T> & nodal_f,
			Array<T> & elemental_f,
			ElementType type,
			GhostType ghost_type,
			const Array<UInt> & filter_elements) {
			AKANTU_DEBUG_IN();

			UInt nb_nodes_per_element = Mesh::getNbNodesPerElement(type);
			UInt nb_degree_of_freedom = nodal_f.getNbComponent();
			UInt nb_element = mesh.getNbElement(type, ghost_type);
			UInt * conn_val = mesh.getConnectivity(type, ghost_type).storage();

			if (filter_elements != empty_filter) {
			nb_element = filter_elements.size();
			}

			elemental_f.resize(nb_element);

			T * nodal_f_val = nodal_f.storage();
			T * f_val = elemental_f.storage();

			UInt * el_conn;
			for (UInt el = 0; el < nb_element; ++el) {
			if (filter_elements != empty_filter) {
			el_conn = conn_val + filter_elements(el) * nb_nodes_per_element;
			} else {
			el_conn = conn_val + el * nb_nodes_per_element;
			}

			for (UInt n = 0; n < nb_nodes_per_element; ++n) {
			UInt node = *(el_conn + n);
			std::copy(nodal_f_val + node * nb_degree_of_freedom,
			nodal_f_val + (node + 1) * nb_degree_of_freedom, f_val);
			f_val += nb_degree_of_freedom;
			}
			}

			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */
			template <typename T>
			void FEEngine::filterElementalData(const Mesh & mesh, const Array<T> & elem_f,
			Array<T> & filtered_f, ElementType type,
			GhostType ghost_type,
			const Array<UInt> & filter_elements) {
			AKANTU_DEBUG_IN();

			UInt nb_element = mesh.getNbElement(type, ghost_type);
			if (nb_element == 0) {
			filtered_f.resize(0);
			return;
			}

			UInt nb_degree_of_freedom = elem_f.getNbComponent();
			UInt nb_data_per_element = elem_f.size() / nb_element;

			if (filter_elements != empty_filter) {
			nb_element = filter_elements.size();
			}

			filtered_f.resize(nb_element * nb_data_per_element);

			T * elem_f_val = elem_f.storage();
			T * f_val = filtered_f.storage();

			UInt el_offset;
			for (UInt el = 0; el < nb_element; ++el) {
			if (filter_elements != empty_filter) {
			el_offset = filter_elements(el);
			} else {
			el_offset = el;
			}

			std::copy(elem_f_val +
			el_offset * nb_data_per_element * nb_degree_of_freedom,
			elem_f_val +
			(el_offset + 1) * nb_data_per_element * nb_degree_of_freedom,
			f_val);
			f_val += nb_degree_of_freedom * nb_data_per_element;
			}

			AKANTU_DEBUG_OUT();
			}

			} // namespace akantu

			#endif /* AKANTU_FE_ENGINE_INLINE_IMPL_HH_ */

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rAKA/src/fe_engine/fe_engine_inline_impl.hh
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fe_engine_inline_impl.hh
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