interpolationCellPatchConstrained.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2011-2017 OpenFOAM Foundation
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

    OpenFOAM is free software: you can redistribute it and/or modify it
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Class
    Foam::interpolationCellPatchConstrained

Description
    Uses the cell value for any point in the cell apart from a boundary face
    where it uses the boundary value directly.
    Note: will not work on an empty patch.

\*---------------------------------------------------------------------------*/

#ifndef interpolationCellPatchConstrained_H
#define interpolationCellPatchConstrained_H

#include "interpolation.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

/*---------------------------------------------------------------------------*\
                           Class interpolationCellPatchConstrained Declaration
\*---------------------------------------------------------------------------*/

template<class Type>
class interpolationCellPatchConstrained
:
    public interpolation<Type>
{
public:

    //- Runtime type information
    TypeName("cellPatchConstrained");


    // Constructors

        //- Construct from components
        interpolationCellPatchConstrained
        (
            const GeometricField<Type, fvPatchField, volMesh>& psi
        );


    // Member Functions

        //- Interpolate field to the given point in the given cell
        Type interpolate
        (
            const vector& position,     /* (unused) */
            const label celli,
            const label facei = -1
        ) const;

        //- Interpolate field to the given coordinates in the tetrahedron
        //  defined by the given indices. This is an optimisation which skips
        //  calculating the position, as cell interpolation doesn't need it.
        inline Type interpolate
        (
            const barycentric& coordinates,     /* (unused) */
            const tetIndices& tetIs,
            const label facei = -1
        ) const
        {
            return interpolate(vector::zero, tetIs.cell(), facei);
        }
};


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#ifdef NoRepository
    #include "interpolationCellPatchConstrained.C"
#endif

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

// ************************************************************************* //