1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 1991-2008 OpenCFD Ltd.
7 -------------------------------------------------------------------------------
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 the
13 Free Software Foundation; either version 2 of the License, or (at your
14 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
21 You should have received a copy of the GNU General Public License
22 along with OpenFOAM; if not, write to the Free Software Foundation,
23 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
29 Simple random number generator.
34 \*---------------------------------------------------------------------------*/
42 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
47 /*---------------------------------------------------------------------------*\
48 Class Random Declaration
49 \*---------------------------------------------------------------------------*/
63 //- Construct given seed
71 //- scalar [0..1] (so including 0,1)
73 //- vector with every component scalar01
75 //- sphericalTensor with every component scalar01
76 sphericalTensor sphericalTensor01();
77 //- symmTensor with every component scalar01
78 symmTensor symmTensor01();
79 //- tensor with every component scalar01
81 //- label [lower..upper]
82 label integer(const label lower, const label upper);
84 vector position(const vector&, const vector&);
86 void randomise(scalar&);
87 void randomise(vector&);
88 void randomise(sphericalTensor&);
89 void randomise(symmTensor&);
90 void randomise(tensor&);
92 //- Return a normal Gaussian randon number
93 // with zero mean and unity variance N(0, 1)
98 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
100 } // End namespace Foam
102 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
106 // ************************************************************************* //