Lagrange.h

Go to the documentation of this file.

// 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 LAGRANGEFE_IS_INCLUDED
#define LAGRANGEFE_IS_INCLUDED

#include "FE.h"

namespace SyFi
{

        class Lagrange : public StandardFE
        {
                public:
                        Lagrange();
                        Lagrange(Polygon& p, unsigned int order = 1);
                        virtual ~Lagrange() {}

                        virtual void compute_basis_functions();
        };

        class VectorLagrange : public StandardFE
        {
                protected:
                        unsigned int size;
                public:
                        VectorLagrange();
                        VectorLagrange(Polygon& p, unsigned int order = 1, unsigned int size = 0);
                        ~VectorLagrange() {}

                        virtual void set_size(unsigned int size_);
                        virtual void compute_basis_functions();
        };

        class TensorLagrange : public StandardFE
        {
                protected:
                        unsigned int size;
                public:
                        TensorLagrange();
                        TensorLagrange(Polygon& p, unsigned int order = 1, unsigned int size = 0);
                        ~TensorLagrange() {}

                        virtual void set_size(unsigned int size_);
                        virtual void compute_basis_functions();
        };

        GiNaC::ex lagrange(unsigned int order, Polygon& p, const std::string & a);
        GiNaC::lst lagrangev(unsigned int no_fields, unsigned int order, Polygon& p, const std::string & a);

}                                                                // namespace SyFi
#endif