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bem_meta_functional.hh
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			/**
			*
			* @author Lucas Frérot <lucas.frerot@epfl.ch>
			*
			* @section LICENSE
			*
			* Copyright (©) 2016 EPFL (Ecole Polytechnique Fédérale de
			* Lausanne) Laboratory (LSMS - Laboratoire de Simulation en Mécanique des
			* Solides)
			*
			* Tamaas 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.
			*
			* Tamaas 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 Tamaas. If not, see <http://www.gnu.org/licenses/>.
			*
			*/

			/* -------------------------------------------------------------------------- */

			#ifndef __BEM_META_FUNCTIONAL_HH__
			#define __BEM_META_FUNCTIONAL_HH__

			#include "bem_functional.hh"
			#include "tamaas.hh"
			#include <list>

			namespace tamaas {

			/// Meta functional that contains list of functionals
			class MetaFunctional : public Functional {
			public:
			/// Constructor
			explicit MetaFunctional(BemFFTBase& bem);

			/// Destructor
			virtual ~MetaFunctional();

			public:
			Real computeF();
			void computeGradFU();
			void computeGradFP();

			void addFunctionalTerm(Functional* term);

			protected:
			std::list<Functional*> functionals;
			};

			} // namespace tamaas

			#endif // __BEM_META_FUNCTIONAL_HH__