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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 FILTER_H
	#define FILTER_H
	/* -------------------------------------------------------------------------- */
	#include "grid.hh"
	#include "grid_hermitian.hh"
	/* -------------------------------------------------------------------------- */

	__BEGIN_TAMAAS__

	template <UInt dim>
	class Filter {
	public:
	/// Default constructor
	Filter() {};
	/// Destructor
	virtual ~Filter() {};

	public:
	/// Compute Filter coefficients
	virtual void computeFilter(GridHermitian<Real, dim> & filter_coefficients) const = 0;
	};

	__END_TAMAAS__

	#endif // FILTER_H