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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2017-2020 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::BarycentricTensor
Description
Templated 4x3 tensor derived from VectorSpace. Has 12 components. Can
represent a barycentric transformation as a matrix-barycentric inner-
product. Can alternatively represent an inverse barycentric transformation
as a vector-matrix inner-product.
SourceFiles
BarycentricTensorI.H
\*---------------------------------------------------------------------------*/
#ifndef BarycentricTensor_H
#define BarycentricTensor_H
#include "Barycentric.H"
#include "Tensor.H"
#include "Vector.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class BarycentricTensor Declaration
\*---------------------------------------------------------------------------*/
template<class Cmpt>
class BarycentricTensor
:
public MatrixSpace<BarycentricTensor<Cmpt>, Cmpt, 4, 3>
{
public:
//- Equivalent type of labels used for valid component indexing
typedef Tensor<label> labelType;
// Member constants
//- Rank of BarycentricTensor is 2
static const direction rank = 2;
//- Component labeling enumeration
enum components { XA, XB, XC, XD, YA, YB, YC, YD, ZA, ZB, ZC, ZD };
// Constructors
//- Construct null
BarycentricTensor();
//- Construct initialised to zero
BarycentricTensor(const Foam::zero);
//- Construct given three barycentric components (rows)
BarycentricTensor
(
const Barycentric<Cmpt>& x,
const Barycentric<Cmpt>& y,
const Barycentric<Cmpt>& z
);
//- Construct given four vector components (columns)
BarycentricTensor
(
const Vector<Cmpt>& a,
const Vector<Cmpt>& b,
const Vector<Cmpt>& c,
const Vector<Cmpt>& d
);
// Member Functions
// Row-barycentric access
inline Barycentric<Cmpt> x() const;
inline Barycentric<Cmpt> y() const;
inline Barycentric<Cmpt> z() const;
// Column-vector access
inline Vector<Cmpt> a() const;
inline Vector<Cmpt> b() const;
inline Vector<Cmpt> c() const;
inline Vector<Cmpt> d() const;
};
template<class Cmpt>
class typeOfTranspose<Cmpt, BarycentricTensor<Cmpt>>
{
public:
typedef void type;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "BarycentricTensorI.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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