initial commit for version 1.5.x patch release
[OpenFOAM-1.5.x.git] / src / OpenFOAM / meshes / boundBox / boundBox.C
blobc368e1a662e0b3020c8b5f7159647d03c2487f0d
1 /*---------------------------------------------------------------------------*\
2   =========                 |
3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
4    \\    /   O peration     |
5     \\  /    A nd           | Copyright (C) 1991-2008 OpenCFD Ltd.
6      \\/     M anipulation  |
7 -------------------------------------------------------------------------------
8 License
9     This file is part of OpenFOAM.
11     OpenFOAM is free software; you can redistribute it and/or modify it
12     under the terms of the GNU General Public License as published by the
13     Free Software Foundation; either version 2 of the License, or (at your
14     option) any later version.
16     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
19     for more details.
21     You should have received a copy of the GNU General Public License
22     along with OpenFOAM; if not, write to the Free Software Foundation,
23     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
25 \*---------------------------------------------------------------------------*/
27 #include "boundBox.H"
28 #include "PstreamReduceOps.H"
30 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
32 namespace Foam
35 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
37 boundBox::boundBox(const pointField& points, const bool doReduce)
39     min_(vector::zero),
40     max_(vector::zero)
42     if (points.size() == 0)
43     {
44         if (Pstream::parRun() && doReduce)
45         {
46             // Use values which get overwritten by reduce minOp,maxOp below
47             min_ = point(VGREAT, VGREAT, VGREAT);
48             max_ = point(-VGREAT, -VGREAT, -VGREAT);
49         }
50         else
51         {
52             WarningIn("boundBox::boundBox(const pointField& points)")
53                 << "Cannot find bounding box for zero sized pointField, "
54                    "returning zero"
55                 << endl;
57             return;
58         }
59     }
60     else
61     {
62         min_ = points[0];
63         max_ = points[0];
65         forAll(points, i)
66         {
67             min_ = ::Foam::min(min_, points[i]);
68             max_ = ::Foam::max(max_, points[i]);
69         }
70     }
72     if (doReduce)
73     {
74         // Reduce parallel information
75         reduce(min_, minOp<point>());
76         reduce(max_, maxOp<point>());
77     }
81 boundBox::boundBox(Istream& is)
83     min_(is),
84     max_(is)
88 // * * * * * * * * * * * * * * * Ostream Operator  * * * * * * * * * * * * * //
90 Ostream& operator<<(Ostream& os, const boundBox& b)
92     return os << b.min() << token::SPACE << b.max();
96 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
98 } // End namespace Foam
100 // ************************************************************************* //