/usr/include/dolfin/mesh/UnitCircle.h is in libdolfin1.0-dev 1.0.0-1.
This file is owned by root:root, with mode 0o644.
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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 | // Copyright (C) 2005-2006 Anders Logg
//
// This file is part of DOLFIN.
//
// DOLFIN 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.
//
// DOLFIN 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 DOLFIN. If not, see <http://www.gnu.org/licenses/>.
//
// Modified by Nuno Lopes 2008
//
// First added: 2005-12-02
// Last changed: 2006-08-19
#ifndef __UNIT_CIRCLE_H
#define __UNIT_CIRCLE_H
#include "Mesh.h"
namespace dolfin
{
/// Triangular mesh of the 2D unit circle.
/// Given the number of cells (nx, ny) in each direction,
/// the total number of triangles will be 2*nx*ny and the
/// total number of vertices will be (nx + 1)*(ny + 1).
/// std::string diagonal ("left", "right" or "crossed") indicates the
/// direction of the diagonals.
/// std:string transformation ("maxn", "sumn" or "rotsumn")
class UnitCircle : public Mesh
{
public:
UnitCircle(uint nx, std::string diagonal = "crossed",
std::string transformation = "rotsumn");
private:
void transform(double* x_trans, double x, double y, std::string transformation);
double transformx(double x, double y, std::string transformation);
double transformy(double x, double y, std::string transformation);
inline double max(double x, double y)
{ return ((x>y) ? x : y); };
};
}
#endif
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