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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2022 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
Class
Foam::DiagTensor
Description
Templated 3D DiagTensor derived from VectorSpace.
Adding construction from 3 components, element access using xx(), yy()
and zz() member functions and the inner-product (dot-product) and
outer-product operators.
SourceFiles
DiagTensorI.H
\*---------------------------------------------------------------------------*/
#ifndef DiagTensor_H
#define DiagTensor_H
#include "Tensor.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class DiagTensor Declaration
\*---------------------------------------------------------------------------*/
template<class Cmpt>
class DiagTensor
:
public VectorSpace<DiagTensor<Cmpt>, Cmpt, 3>
{
public:
//- Equivalent type of labels used for valid component indexing
typedef DiagTensor<label> labelType;
// Member constants
//- Rank of DiagTensor is 2
static const direction rank = 2;
//- Component labeling enumeration
enum components { XX, YY, ZZ };
// Constructors
//- Construct null
inline DiagTensor();
//- Construct initialised to zero
inline DiagTensor(const Foam::zero);
//- Construct given VectorSpace
template<class Cmpt2>
inline DiagTensor(const VectorSpace<DiagTensor<Cmpt2>, Cmpt2, 3>&);
//- Construct given three components
inline DiagTensor(const Cmpt& txx, const Cmpt& tyy, const Cmpt& tzz);
//- Construct from Vector
inline explicit DiagTensor(const Vector<Cmpt>& v);
//- Construct from Istream
inline DiagTensor(Istream&);
// Member Functions
// Access
inline const Cmpt& xx() const;
inline const Cmpt& yy() const;
inline const Cmpt& zz() const;
inline Cmpt& xx();
inline Cmpt& yy();
inline Cmpt& zz();
//- Explicit conversion to Vector
explicit inline operator Vector<Cmpt>() const;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Include inline implementations
#include "DiagTensorI.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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