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2027059b63
Foam::direction is an unsigned type which makes it easier for the compiler to pickup and report errors in the instantiation of VectorSpaces and associated types.
156 lines
4.2 KiB
C++
156 lines
4.2 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) 2011-2016 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::SymmTensor
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Description
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Templated 3D symmetric tensor derived from VectorSpace adding construction
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from 6 components, element access using xx(), xy() etc. member functions
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and the inner-product (dot-product) and outer-product of two Vectors
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(tensor-product) operators.
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SourceFiles
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SymmTensorI.H
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\*---------------------------------------------------------------------------*/
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#ifndef SymmTensor_H
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#define SymmTensor_H
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#include "VectorSpace.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 SymmTensor Declaration
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\*---------------------------------------------------------------------------*/
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template<class Cmpt>
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class SymmTensor
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:
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public VectorSpace<SymmTensor<Cmpt>, Cmpt, 6>
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{
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public:
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//- Equivalent type of labels used for valid component indexing
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typedef SymmTensor<label> labelType;
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// Member constants
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//- Rank of SymmTensor is 2
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static const direction rank = 2;
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// Static data members
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static const SymmTensor I;
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//- Component labeling enumeration
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enum components { XX, XY, XZ, YY, YZ, ZZ };
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// Constructors
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//- Construct null
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inline SymmTensor();
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//- Construct given VectorSpace of the same rank
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template<class Cmpt2>
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inline SymmTensor(const VectorSpace<SymmTensor<Cmpt2>, Cmpt2, 6>&);
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//- Construct given SphericalTensor
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inline SymmTensor(const SphericalTensor<Cmpt>&);
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//- Construct given the six components
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inline SymmTensor
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(
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const Cmpt txx, const Cmpt txy, const Cmpt txz,
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const Cmpt tyy, const Cmpt tyz,
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const Cmpt tzz
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);
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//- Construct from Istream
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SymmTensor(Istream&);
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// Member Functions
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// Access
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inline const Cmpt& xx() const;
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inline const Cmpt& xy() const;
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inline const Cmpt& xz() const;
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inline const Cmpt& yy() const;
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inline const Cmpt& yz() const;
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inline const Cmpt& zz() const;
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inline Cmpt& xx();
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inline Cmpt& xy();
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inline Cmpt& xz();
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inline Cmpt& yy();
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inline Cmpt& yz();
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inline Cmpt& zz();
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//- Transpose
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inline const SymmTensor<Cmpt>& T() const;
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// Member Operators
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//- Construct given SphericalTensor
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inline void operator=(const SphericalTensor<Cmpt>&);
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};
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template<class Cmpt>
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class symmTypeOfRank<Cmpt, 2>
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{
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public:
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typedef SymmTensor<Cmpt> type;
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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// Include inline implementations
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#include "SymmTensorI.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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