SpaceTimeElement.h

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// Copyright (C) 2006-2009 Kent-Andre Mardal and Simula Research Laboratory
//
// This file is part of SyFi.
//
// SyFi is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 2 of the License, or
// (at your option) any later version.
//
// SyFi 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with SyFi. If not, see <http://www.gnu.org/licenses/>.

#ifndef TIMEELEMENT_IS_INCLUDED
#define TIMEELEMENT_IS_INCLUDED

#include "FE.h"

namespace SyFi
{

        class SpaceTimeDomain : public Polygon
        {
                Line* time_line;
                Polygon* polygon;
                public:
                        SpaceTimeDomain(Line& time_line_, Polygon& polygon_);
                        SpaceTimeDomain(const SpaceTimeDomain& space_time_domain_);

                        Polygon& get_space_domain() const { return *((*polygon).copy()); }
                        Line& get_time_domain() const { return *((*time_line).copy()); }

                        virtual unsigned int no_space_dim() const;

                        virtual Line line(unsigned int i) const;

                        virtual GiNaC::ex repr(Repr_format = SUBS_PERFORMED) const;
                        virtual const std::string str() const;

                        virtual GiNaC::ex integrate(GiNaC::ex f, Repr_format format = SUBS_PERFORMED);

                        virtual SpaceTimeDomain* copy() const;
        };

        class SpaceTimeElement : public StandardFE
        {
                int order;
                Line* time_line;
                StandardFE* fe;

                public:
                        SpaceTimeElement();
                        SpaceTimeElement(Line* time_line_, unsigned int order_, StandardFE* fe_);
                        virtual ~SpaceTimeElement() {}

                        void set_time_domain(Line* line);
                        void set_order_in_time(unsigned int order);
                        void set_spatial_element(StandardFE* fe);
                        virtual void compute_basis_functions();
        };

}                                                                // namespace SyFi
#endif