1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | cfMesh: A library for mesh generation
5 \\ / A nd | Author: Franjo Juretic (franjo.juretic@c-fields.com)
6 \\/ M anipulation | Copyright (C) Creative Fields, Ltd.
7 -------------------------------------------------------------------------------
9 This file is part of cfMesh.
11 cfMesh 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 cfMesh 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
21 You should have received a copy of the GNU General Public License
22 along with cfMesh. If not, see <http://www.gnu.org/licenses/>.
28 Implementation of 3 x 3 matrix
33 \*---------------------------------------------------------------------------*/
39 #include "FixedList.H"
41 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
46 /*---------------------------------------------------------------------------*\
47 Class matrix3D Declaration
48 \*---------------------------------------------------------------------------*/
51 : public FixedList<FixedList<scalar, 3>, 3>
57 // Private member functions
58 //- calculate matrix determinant
59 inline void calculateDeterminant();
65 explicit inline matrix3D();
68 inline matrix3D(const matrix3D&);
74 //- return matrix determinant
75 inline scalar determinant();
77 //- return inverse matrix
78 inline matrix3D inverse();
80 //- find the solution of the system with the given rhs
81 inline FixedList<scalar, 3> solve
83 const FixedList<scalar, 3>& source
86 //- return the first component of the solution vector
87 inline scalar solveFirst(const FixedList<scalar, 3>& source);
89 //- return the second component of the solution vector
90 inline scalar solveSecond(const FixedList<scalar, 3>& source);
92 //- return the third component of the solution vector
93 inline scalar solveThird(const FixedList<scalar, 3>& source);
96 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
98 } // End namespace Foam
100 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
102 #include "matrix3DI.H"
104 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
108 // ************************************************************************* //