/usr/include/SyFi/FE.h is in libsyfi1.0-dev 1.0.0.dfsg-1.2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | // 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 FE_IS_INCLUDED
#define FE_IS_INCLUDED
#include <string>
#include "Polygon.h"
namespace SyFi
{
class FE
{
public:
FE() {}
virtual ~FE() {}
// Set polygonal domain
virtual void set_polygon(Polygon& p) = 0;
// Get polygonal domain
virtual Polygon& get_polygon() = 0;
// precompute basis functions
virtual void compute_basis_functions() = 0;
// Number of basis functions/ degrees of freedom
virtual unsigned int nbf() const = 0;
// The i'th basis function
virtual GiNaC::ex N(unsigned int i) = 0;
// The i'th degree of freedom
virtual GiNaC::ex dof(unsigned int i) = 0 ;
virtual std::string str() = 0;
};
class StandardFE : public FE
{
protected:
GiNaC::exvector Ns;
GiNaC::exvector dofs;
Polygon* p;
unsigned int order;
std::string description;
public:
StandardFE();
StandardFE(Polygon& p, unsigned int order);
virtual ~StandardFE();
virtual void set_order(unsigned int order);
virtual unsigned int get_order();
virtual void set_polygon(Polygon& p);
virtual Polygon& get_polygon();
virtual void compute_basis_functions();
virtual unsigned int nbf() const;
virtual GiNaC::ex N(unsigned int i);
virtual GiNaC::ex dof(unsigned int i);
virtual std::string str();
};
}
#endif
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