/usr/include/dolfin/intersection/PrimitiveTraits.h is in libdolfin1.0-dev 1.0.0-1.
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 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 | // Copyright (C) 2009 Andre Massing
//
// 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/>.
//
// First added: 2009-09-16
// Last changed: 2011-11-09
#ifndef primitives_traits_INC
#define primitives_traits_INC
#ifdef HAS_CGAL
#include <dolfin/mesh/MeshEntity.h>
#include <dolfin/mesh/Vertex.h>
#include <dolfin/mesh/PointCell.h>
#include <dolfin/mesh/IntervalCell.h>
#include <dolfin/mesh/TriangleCell.h>
#include <dolfin/mesh/TetrahedronCell.h>
namespace dolfin
{
struct PointPrimitive {};
///Forward declaration for a general Traits class. This traits class
///is supposed to provide a datum function, which returns a
///geometric primitive object, which type corresponds to the
///primitive type (Point, PointCell, Tetrahedron(Cell) etc.) and the
///passed geometric CGAL kernel.
template <typename Primitive_, typename Kernel> struct PrimitiveTraits;
template <typename Kernel> struct PrimitiveTraits<PointPrimitive,Kernel>
{
typedef Kernel K;
typedef PointPrimitive Primitive;
typedef typename K::Point_3 Datum;
static const int dim = 0;
static Datum datum(const Point & point)
{ return Datum(point); }
};
template <typename Kernel> struct PrimitiveTraits<PointCell,Kernel>
{
typedef Kernel K;
typedef PointCell Primitive;
typedef typename K::Point_3 Datum;
static const int dim = 0;
static Datum datum(const MeshEntity & cell)
{
return Datum(cell.midpoint());
}
};
template <typename Kernel> struct PrimitiveTraits<IntervalCell,Kernel>
{
typedef Kernel K;
typedef IntervalCell Primitive;
typedef typename K::Point_3 Point_3;
typedef typename K::Segment_3 Datum;
static const int dim = 1;
static Datum datum(const MeshEntity & cell)
{
VertexIterator v(cell);
Point_3 p1(v->point());
++v;
Point_3 p2(v->point());
return Datum(p1,p2);
}
};
template <typename Kernel> struct PrimitiveTraits<TriangleCell,Kernel>
{
typedef Kernel K;
typedef TriangleCell Primitive;
typedef typename K::Point_3 Point_3;
typedef typename K::Triangle_3 Datum;
static const int dim = 2;
static Datum datum(const MeshEntity & cell)
{
VertexIterator v(cell);
Point_3 p1(v->point());
++v;
Point_3 p2(v->point());
++v;
Point_3 p3(v->point());
return Datum(p1,p2,p3);
}
};
template <typename Kernel> struct PrimitiveTraits<TetrahedronCell,Kernel>
{
typedef Kernel K;
typedef TetrahedronCell Primitive;
typedef typename K::Point_3 Point_3;
typedef typename K::Tetrahedron_3 Datum;
static const int dim = 3;
static Datum datum(const MeshEntity & cell)
{
VertexIterator v(cell);
Point_3 p1(v->point());
++v;
Point_3 p2(v->point());
++v;
Point_3 p3(v->point());
++v;
Point_3 p4(v->point());
return Datum(p1,p2,p3,p4);
}
};
}
#endif
#endif
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