1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | foam-extend: Open Source CFD
4 \\ / O peration | Version: 3.2
5 \\ / A nd | Web: http://www.foam-extend.org
6 \\/ M anipulation | For copyright notice see file Copyright
7 -------------------------------------------------------------------------------
9 This file is part of foam-extend.
11 foam-extend 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 3 of the License, or (at your
14 option) any later version.
16 foam-extend is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
24 \*---------------------------------------------------------------------------*/
26 // * * * * * * * * * * * Private Member Functions * * * * * * * * * * * * * //
29 inline const T Foam::SVD::sign(const T& a, const T& b)
31 return b >= 0 ? (a >= 0 ? a : -a) : (a >= 0 ? -a : a);
35 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
37 inline const Foam::scalarRectangularMatrix& Foam::SVD::U() const
42 inline const Foam::scalarRectangularMatrix& Foam::SVD::V() const
47 inline const Foam::scalarDiagonalMatrix& Foam::SVD::S() const
52 inline const Foam::scalarRectangularMatrix& Foam::SVD::VSinvUt() const
57 inline Foam::label Foam::SVD::nZeros() const
62 inline Foam::scalar Foam::SVD::minNonZeroS() const
65 for(label i = 1; i < S_.size(); i++)
68 if (s > VSMALL && s < minS) minS = s;
74 // ************************************************************************* //