DiagTensor.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
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-------------------------------------------------------------------------------
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
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    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
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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:
 
    // Member constants
 
        enum
        {
            rank = 2 // Rank of DiagTensor is 2
        };
 
 
    // Static data members
 
        static const char* const typeName;
        static const char* componentNames[];
        static const DiagTensor zero;
        static const DiagTensor one;
        static const DiagTensor max;
        static const DiagTensor min;
 
 
    //- Component labeling enumeration
    enum components { XX, YY, ZZ };
 
 
    // Constructors
 
        //- Construct null
        inline DiagTensor();
 
        //- 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 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();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
// Include inline implementations
#include "DiagTensorI.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //