Barycentric2D.H

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    Copyright (C) 2017 OpenFOAM Foundation
    Copyright (C) 2019-2022 OpenCFD Ltd.
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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
    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::Barycentric2D
 
Description
    Templated 2D Barycentric derived from VectorSpace.
    Has 3 components, one of which is redundant.
 
SourceFiles
    Barycentric2DI.H
 
\*---------------------------------------------------------------------------*/
 
#ifndef Foam_Barycentric2D_H
#define Foam_Barycentric2D_H
 
#include "contiguous.H"
#include "VectorSpace.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                         Class Barycentric2D Declaration
\*---------------------------------------------------------------------------*/
 
template<class Cmpt>
class Barycentric2D
:
    public VectorSpace<Barycentric2D<Cmpt>, Cmpt, 3>
{
public:
 
    // Typedefs
 
        //- Equivalent type of labels used for valid component indexing
        typedef Barycentric2D<label> labelType;
 
 
    // Member Constants
 
        //- Rank of Barycentric2D is 1
        static constexpr direction rank = 1;
 
 
    //- Component labeling enumeration
    enum components { A, B, C };
 
 
    // Generated Methods: copy construct/assignment
 
        //- Default construct
        Barycentric2D() = default;
 
 
    // Constructors
 
        //- Construct initialized to zero
        inline Barycentric2D(const Foam::zero);
 
        //- Construct from components
        inline Barycentric2D(const Cmpt& va, const Cmpt& vb, const Cmpt& vc);
 
        //- Construct from two components, calculating third component
        inline Barycentric2D(const Cmpt& va, const Cmpt& vb);
 
 
    // Member Functions
 
    // Component Access
 
        const Cmpt& a() const noexcept { return this->v_[A]; }
        const Cmpt& b() const noexcept { return this->v_[B]; }
        const Cmpt& c() const noexcept { return this->v_[C]; }
 
        Cmpt& a() noexcept { return this->v_[A]; }
        Cmpt& b() noexcept { return this->v_[B]; }
        Cmpt& c() noexcept { return this->v_[C]; }
 
 
    // Operations, Tests
 
        //- Scalar-product of \c this with another Barycentric2D.
        inline Cmpt inner(const Barycentric2D<Cmpt>& b2) const;
 
        //- True if any coordinate is negative
        inline bool outside() const;
};
 
 
// * * * * * * * * * * * * * * * * * Traits  * * * * * * * * * * * * * * * * //
 
//- Data are contiguous if component type is contiguous
template<class Cmpt>
struct is_contiguous<Barycentric2D<Cmpt>> : is_contiguous<Cmpt> {};
 
//- Data are contiguous label if component type is label
template<class Cmpt>
struct is_contiguous_label<Barycentric2D<Cmpt>> : is_contiguous_label<Cmpt> {};
 
//- Data are contiguous scalar if component type is scalar
template<class Cmpt>
struct is_contiguous_scalar<Barycentric2D<Cmpt>> : is_contiguous_scalar<Cmpt>{};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#include "Barycentric2DI.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //