layerAverageTemplates.C

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#include "layerAverage.H"

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

template<class T>
T Foam::functionObjects::layerAverage::symmetricCoeff() const
{
    return pTraits<T>::one;
}


template<class T>
Foam::Field<T> Foam::functionObjects::layerAverage::sum
(
    const Field<T>& cellField
) const
{
    Field<T> layerField(nLayers_, Zero);

    forAll(cellLayer_, celli)
    {
        if (cellLayer_[celli] != -1)
        {
            layerField[cellLayer_[celli]] += cellField[celli];
        }
    }

    Pstream::listCombineGather(layerField, plusEqOp<T>());
    Pstream::listCombineScatter(layerField);

    return layerField;
}


template<class T>
Foam::Field<T> Foam::functionObjects::layerAverage::average
(
    const Field<T>& cellField
) const
{
    // Sum and average
    Field<T> layerField(sum(cellField)/layerCount_);

    // Handle symmetry
    if (symmetric_)
    {
        const T coeff = symmetricCoeff<T>();

        for (label i=0; i<nLayers_/2; i++)
        {
            const label j = nLayers_ - i - 1;

            layerField[i] =
                (layerField[i] + cmptMultiply(coeff, layerField[j]))/2;
        }

        layerField.setSize(nLayers_/2);
    }

    return layerField;
}


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