boundBox.C 3.43 KB
Newer Older
1
2
3
4
/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
Mark Olesen's avatar
Mark Olesen committed
5
    \\  /    A nd           | Copyright (C) 1991-2009 OpenCFD Ltd.
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

    OpenFOAM 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.

    OpenFOAM 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 OpenFOAM; if not, write to the Free Software Foundation,
    Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

\*---------------------------------------------------------------------------*/

#include "boundBox.H"
#include "PstreamReduceOps.H"

30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

const Foam::boundBox Foam::boundBox::greatBox
(
    point(-VGREAT, -VGREAT, -VGREAT),
    point(VGREAT, VGREAT, VGREAT)
);


const Foam::boundBox Foam::boundBox::invertedBox
(
    point(VGREAT, VGREAT, VGREAT),
    point(-VGREAT, -VGREAT, -VGREAT)
);


46
47
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

48
Foam::boundBox::boundBox(const pointField& points, const bool doReduce)
49
:
50
51
    min_(point::zero),
    max_(point::zero)
52
53
54
55
56
{
    if (points.size() == 0)
    {
        if (Pstream::parRun() && doReduce)
        {
57
            // Use values that get overwritten by reduce minOp, maxOp below
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
            min_ = point(VGREAT, VGREAT, VGREAT);
            max_ = point(-VGREAT, -VGREAT, -VGREAT);
        }
    }
    else
    {
        min_ = points[0];
        max_ = points[0];

        forAll(points, i)
        {
            min_ = ::Foam::min(min_, points[i]);
            max_ = ::Foam::max(max_, points[i]);
        }
    }

    if (doReduce)
    {
        // Reduce parallel information
        reduce(min_, minOp<point>());
        reduce(max_, maxOp<point>());
    }
}


83
Foam::boundBox::boundBox(Istream& is)
mattijs's avatar
mattijs committed
84
85
86
{
    operator>>(is, *this);
}
87
88
89
90


// * * * * * * * * * * * * * * * Ostream Operator  * * * * * * * * * * * * * //

91
Foam::Ostream& Foam::operator<<(Ostream& os, const boundBox& bb)
92
{
mattijs's avatar
mattijs committed
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
    if (os.format() == IOstream::ASCII)
    {
        os << bb.min_ << token::SPACE << bb.max_;
    }
    else
    {
        os.write
        (
            reinterpret_cast<const char*>(&bb.min_),
            sizeof(boundBox)
        );
    }

    // Check state of Ostream
    os.check("Ostream& operator<<(Ostream&, const boundBox&)");
    return os;
}


112
Foam::Istream& Foam::operator>>(Istream& is, boundBox& bb)
mattijs's avatar
mattijs committed
113
114
115
{
    if (is.format() == IOstream::ASCII)
    {
mattijs's avatar
mattijs committed
116
        return is >> bb.min_ >> bb.max_;
mattijs's avatar
mattijs committed
117
118
119
120
121
122
123
124
125
126
127
128
129
    }
    else
    {
        is.read
        (
            reinterpret_cast<char*>(&bb.min_),
            sizeof(boundBox)
        );
    }

    // Check state of Istream
    is.check("Istream& operator>>(Istream&, boundBox&)");
    return is;
130
131
132
}

// ************************************************************************* //