polyDegree1.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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-------------------------------------------------------------------------------
    Copyright (C) 2019 DLR
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

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    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
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#include "polyDegree1.H"
#include "addToRunTimeSelectionTable.H"

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

namespace Foam
{
    defineTypeNameAndDebug(polyDegree1, 0);
    addToRunTimeSelectionTable(multiDimPolyFunctions, polyDegree1, word);
}


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

Foam::polyDegree1::polyDegree1
(
    const labelVector& dirs
)
:
    multiDimPolyFunctions(dirs)
{
    nTerms_ = 1;
    forAll(geomDir_,i)
    {
        if (geomDir_[i] == 1)
        {
            ++nTerms_;
        }
    }
    coeffs_.resize(nTerms_, Zero);
    termValues_.resize(nTerms_, Zero);
}


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

Foam::scalar Foam::polyDegree1::value(const vector& vec)
{
    // size has to be 4
    scalar value = coeffs_[0];
    forAll(geomDir_,i)
    {
        if (geomDir_[i] == 1)
        {
            value += coeffs_[i+1]*vec[i];
        }
    }

    return value;
}


const Foam::scalarField& Foam::polyDegree1::termValues(const vector& vec)
{
    termValues_[0] = 1;

    label dimCounter = 0;
    forAll(geomDir_,i)
    {
        if (geomDir_[i] == 1)
        {
            ++dimCounter;
            termValues_[dimCounter] = vec[i];
        }
    }

    return termValues_;
}


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