NonUniformTable1I.H

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

template<class Type>
inline Foam::label Foam::Function1s::NonUniformTable<Type>::index
(
    scalar x
) const
{
    if (x < low_ || x > high_)
    {
        FatalErrorInFunction
            << x << " out of range "
            << low_ << " to " << high_ << nl
            << "    of NonUniformTable " << this->name_
            << exit(FatalError);
    }

    const scalar nd = (x - low_)/delta_;
    const label j = nd;

    label i = jumpTable_[j];

    if (i < values_.size() - 1 && x > values_[i + 1].first())
    {
        i++;
    }

    return i;
}


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