linearInterpolation.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Interpolation CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
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    Copyright (C) 2020-2023 PCOpt/NTUA
    Copyright (C) 2020-2023 FOSS GP
-------------------------------------------------------------------------------
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.

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

#include "linearInterpolation.H"
#include "addToRunTimeSelectionTable.H"

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

namespace Foam
{
    defineTypeNameAndDebug(linearInterpolation, 0);
    addToRunTimeSelectionTable
    (
        topOInterpolationFunction,
        linearInterpolation,
        dictionary
    );
}


// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

Foam::linearInterpolation::linearInterpolation
(
    const fvMesh& mesh,
    const dictionary& dict
)
:
    topOInterpolationFunction(mesh, dict)
{}


// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

void Foam::linearInterpolation::interpolate
(
    const scalarField& arg,
    scalarField& res
) const
{
    res = arg;
}


Foam::tmp<Foam::scalarField>
Foam::linearInterpolation::derivative(const scalarField& arg) const
{
    return tmp<scalarField>::New(arg.size(), scalar(1));
}


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