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123 lines
3.0 KiB
C++
123 lines
3.0 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM; if not, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Class
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Foam::multiNormal
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Description
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A multiNormal pdf
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@verbatim
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pdf = sum_i strength_i * exp(-0.5*((x - expectation_i)/variance_i)^2 )
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@endverbatim
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SourceFiles
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multiNormal.C
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\*---------------------------------------------------------------------------*/
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#ifndef multiNormal_H
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#define multiNormal_H
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#include "pdf.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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namespace pdfs
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{
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/*---------------------------------------------------------------------------*\
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Class multiNormal Declaration
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\*---------------------------------------------------------------------------*/
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class multiNormal
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:
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public pdf
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{
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// Private data
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//- Distribution minimum
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scalar minValue_;
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//- Distribution maximum
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scalar maxValue_;
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//- Distribution range
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scalar range_;
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// Model coefficients
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List<scalar> expectation_;
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List<scalar> variance_;
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List<scalar> strength_;
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public:
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//- Runtime type information
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TypeName("multiNormal");
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// Constructors
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//- Construct from components
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multiNormal
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(
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const dictionary& dict,
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Random& rndGen
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);
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//- Destructor
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virtual ~multiNormal();
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// Member Functions
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//- Sample the pdf
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virtual scalar sample() const;
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//- Return the minimum value
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virtual scalar minValue() const;
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//- Return the maximum value
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virtual scalar maxValue() const;
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace pdfs
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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