BiIndirectListI.H

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    Copyright (C) 2019-2022 OpenCFD Ltd.
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// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class T>
inline Foam::BiIndirectList<T>::BiIndirectList
(
    const UList<T>& posList,
    const UList<T>& negList,
    const labelUList& addr
)
:
    posList_(const_cast<UList<T>&>(posList)),
    negList_(const_cast<UList<T>&>(negList)),
    addr_(addr)
{}
 
 
template<class T>
inline Foam::BiIndirectList<T>::BiIndirectList
(
    const UList<T>& posList,
    const UList<T>& negList,
    labelList&& addr
)
:
    posList_(const_cast<UList<T>&>(posList)),
    negList_(const_cast<UList<T>&>(negList)),
    addr_(std::move(addr))
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class T>
inline void Foam::BiIndirectList<T>::resetAddressing(const labelUList& addr)
{
    addr_ = addr;
}
 
 
template<class T>
inline void Foam::BiIndirectList<T>::resetAddressing(labelList&& addr)
{
    addr_.transfer(addr);
}
 
 
template<class T>
inline Foam::List<T> Foam::BiIndirectList<T>::list() const
{
    List<T> result(size());
 
    forAll(*this, i)
    {
        result[i] = operator[](i);
    }
 
    return result;
}
 
 
// * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //
 
template<class T>
inline T& Foam::BiIndirectList<T>::operator[](const label i)
{
    const label index = addr_[i];
 
    return (index >= 0 ? posList_[index] : negList_[-index-1]);
}
 
 
template<class T>
inline const T& Foam::BiIndirectList<T>::operator[](const label i) const
{
    const label index = addr_[i];
 
    return (index >= 0 ? posList_[index] : negList_[-index-1]);
}
 
 
template<class T>
inline void Foam::BiIndirectList<T>::operator=(const UList<T>& ae)
{
    if (addr_.size() != ae.size())
    {
        FatalErrorInFunction
            << "Addressing and list of addressed elements "
               "have different sizes: "
            << addr_.size() << " " << ae.size()
            << abort(FatalError);
    }
 
    forAll(addr_, i)
    {
        operator[](i) = ae[i];
    }
}
 
 
template<class T>
inline void Foam::BiIndirectList<T>::operator=(const T& val)
{
    forAll(addr_, i)
    {
        operator[](i) = val;
    }
}
 
 
// ************************************************************************* //