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90 lines
2.4 KiB
C++
90 lines
2.4 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) 2016 OpenFOAM Foundation
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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
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the Free Software Foundation, either version 3 of the License, or
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(at your 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, see <http://www.gnu.org/licenses/>.
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Class
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Foam::Identity
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Description
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Templated identity and dual space identity tensors
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derived from SphericalTensor.
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\*---------------------------------------------------------------------------*/
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#ifndef Identity_H
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#define Identity_H
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#include "SphericalTensor.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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/*---------------------------------------------------------------------------*\
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Class Identity Declaration
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\*---------------------------------------------------------------------------*/
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template<class Cmpt>
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class Identity
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:
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public SphericalTensor<Cmpt>
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{
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public:
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//- Construct initializing the SphericalTensor to 1
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Identity()
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:
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SphericalTensor<Cmpt>(1)
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{}
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//- The identity type in the dual space
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class dual
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:
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public SphericalTensor<Cmpt>
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{
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//- Construct initializing the SphericalTensor to 1
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dual()
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:
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SphericalTensor<Cmpt>(1)
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{}
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};
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//- Return the identity in the dual space
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inline dual operator*()
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{
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return dual();
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}
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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