BUG: UListIO: byteSize overflowing on really big faceLists
[OpenFOAM-2.0.x.git] / src / finiteVolume / interpolation / surfaceInterpolation / schemes / quadraticFit / quadraticFitPolynomial.H
blobc66bcc23a9db729a41b4d59a1d0369b883b9bb84
1 /*---------------------------------------------------------------------------*\
2   =========                 |
3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
4    \\    /   O peration     |
5     \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
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
13     the Free Software Foundation, either version 3 of the License, or
14     (at your 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, see <http://www.gnu.org/licenses/>.
24 Class
25     Foam::quadraticFitPolynomial
27 Description
28     Quadratic polynomial for centred interpolation fitting.
30     Can be used with the CentredFit scheme to create a quadratic surface
31     interpolation scheme
33 \*---------------------------------------------------------------------------*/
35 #ifndef quadraticFitPolynomial_H
36 #define quadraticFitPolynomial_H
38 #include "vector.H"
40 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
42 namespace Foam
45 /*---------------------------------------------------------------------------*\
46                  Class quadraticFitPolynomial Declaration
47 \*---------------------------------------------------------------------------*/
49 class quadraticFitPolynomial
51 public:
53     // Member functions
55         static label nTerms(const direction dim)
56         {
57             return
58             (
59                 dim == 1 ? 3 :
60                 dim == 2 ? 6 :
61                 dim == 3 ? 9 : 0
62             );
63         }
65         static void addCoeffs
66         (
67             scalar* coeffs,
68             const vector& d,
69             const scalar weight,
70             const direction dim
71         )
72         {
73             register label curIdx = 0;
75             coeffs[curIdx++] = weight;
76             coeffs[curIdx++] = weight*d.x();
77             coeffs[curIdx++] = weight*sqr(d.x());
79             if (dim >= 2)
80             {
81                 coeffs[curIdx++] = weight*d.y();
82                 coeffs[curIdx++] = weight*d.x()*d.y();
83                 coeffs[curIdx++] = weight*sqr(d.y());
84             }
85             if (dim == 3)
86             {
87                 coeffs[curIdx++] = weight*d.z();
88                 coeffs[curIdx++] = weight*d.x()*d.z();
89                 coeffs[curIdx++] = weight*sqr(d.z());
90             }
91         }
95 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
97 } // End namespace Foam
99 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
101 #endif
103 // ************************************************************************* //