libMesh
cell.C
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1 // The libMesh Finite Element Library.
2 // Copyright (C) 2002-2017 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
3 
4 // This library is free software; you can redistribute it and/or
5 // modify it under the terms of the GNU Lesser General Public
6 // License as published by the Free Software Foundation; either
7 // version 2.1 of the License, or (at your option) any later version.
8 
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 // Lesser General Public License for more details.
13 
14 // You should have received a copy of the GNU Lesser General Public
15 // License along with this library; if not, write to the Free Software
16 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 
18 
19 // Local includes
20 #include "libmesh/cell.h"
21 
22 
23 namespace libMesh
24 {
25 
27 {
28  // This might have curved sides, but it's definitely *not* curving
29  // through 4-D space, so the full bounding box is just the merger of
30  // the sides' bounding boxes.
31 
32  BoundingBox bbox = this->build_side_ptr(0)->loose_bounding_box();
33  unsigned int my_n_sides = this->n_sides();
34  for (unsigned s=1; s < my_n_sides; ++s)
35  bbox.union_with(this->build_side_ptr(s)->loose_bounding_box());
36 
37  return bbox;
38 }
39 
40 } // namespace libMesh
virtual UniquePtr< Elem > build_side_ptr(const unsigned int i, bool proxy=true)=0
The libMesh namespace provides an interface to certain functionality in the library.
virtual BoundingBox loose_bounding_box() const libmesh_override
Definition: cell.C:26
virtual unsigned int n_sides() const =0
Defines a Cartesian bounding box by the two corner extremum.
Definition: bounding_box.h:40
void union_with(const Point &p)
Definition: bounding_box.h:140