FreeFOAM The Cross-Platform CFD Toolkit
refineCell.C
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1 /*---------------------------------------------------------------------------*\
2  ========= |
3  \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
4  \\ / O peration |
5  \\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
6  \\/ M anipulation |
7 -------------------------------------------------------------------------------
8 License
9  This file is part of OpenFOAM.
10 
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
13  the Free Software Foundation, either version 3 of the License, or
14  (at your option) any later version.
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19  for more details.
20 
21  You should have received a copy of the GNU General Public License
22  along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
23 
24 Description
25 
26 \*---------------------------------------------------------------------------*/
27 
28 #include "refineCell.H"
29 #include <OpenFOAM/error.H>
30 
31 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
32 
33 // Null
35 :
36  cellNo_(-1),
37  direction_(vector::zero)
38 {}
39 
40 
41 // from components
42 Foam::refineCell::refineCell(const label cellI, const vector& direction)
43 :
44  cellNo_(cellI),
45  direction_(direction)
46 {
47  scalar magDir = mag(direction_);
48 
49  if (magDir < SMALL)
50  {
51  FatalErrorIn("refineCell(const label, const vector&)")
52  << "(almost)zero vector as direction for cell " << cellNo_
53  << abort(FatalError);
54  }
55  else if (mag(magDir - 1) > SMALL)
56  {
57  // Normalize
58  direction_ /= mag(direction_);
59  }
60 }
61 
62 
63 // from Istream
65 :
66  cellNo_(readLabel(is)),
67  direction_(is)
68 {
69  scalar magDir = mag(direction_);
70 
71  if (magDir < SMALL)
72  {
73  FatalErrorIn("refineCell(Istream&)")
74  << "(almost)zero vector as direction for cell " << cellNo_
75  << abort(FatalError);
76  }
77  else if (mag(magDir - 1) > SMALL)
78  {
79  // Normalize
80  direction_ /= mag(direction_);
81  }
82 }
83 
84 
85 // * * * * * * * * * * * * * * * IOstream Operators * * * * * * * * * * * * //
86 
88 {
89  if (os.format() == IOstream::ASCII)
90  {
91  os << r.cellNo() << token::SPACE << r.direction();
92  }
93  else
94  {
95  os << r.cellNo() << r.direction();
96  }
97  return os;
98 }
99 
100 
101 // ************************ vim: set sw=4 sts=4 et: ************************ //
102