ScaleI.H

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#include "Scale.H"

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

template<class Type>
inline Type Foam::Function1s::Scale<Type>::value(const scalar x) const
{
    const scalar sx = xScale_->value(x)*x;
    return scale_->value(sx)*value_->value(sx);
}


template<class Type>
inline Type Foam::Function1s::Scale<Type>::integral
(
    const scalar x1,
    const scalar x2
) const
{
    if (integrableScale_)
    {
        const scalar sx = xScale_->value(NaN);
        return scale_->value(NaN)*value_->integral(sx*x1, sx*x2)/sx;
    }

    if (integrableValue_)
    {
        const scalar sx = xScale_->value(NaN);
        return scale_->integral(sx*x1, sx*x2)/sx*value_->value(NaN);
    }

    FatalErrorInFunction
        << "Integration is not defined for " << type() << " functions "
        << "unless x-scaling is constant and either scaling is constant or "
        << "the value is constant"
        << exit(FatalError);

    return Zero;
}


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