PtrListOpsTemplates.C

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    Copyright (C) 2019-2020 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
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    under the terms of the GNU General Public License as published by
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    (at your option) any later version.
 
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
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#include "PtrListOps.H"
 
// * * * * * * * * * * * * * * * Global Functions  * * * * * * * * * * * * * //
 
template<class T>
Foam::labelList Foam::sortedOrder
(
    const UPtrList<T>& input
)
{
    labelList order(input.size());
    sortedOrder(input, order, typename PtrListOps::less<T>(input));
    return order;
}
 
 
template<class T>
void Foam::sortedOrder
(
    const UPtrList<T>& input,
    labelList& order
)
{
    sortedOrder(input, order, typename PtrListOps::less<T>(input));
}
 
 
template<class T, class ListComparePredicate>
void Foam::sortedOrder
(
    const UPtrList<T>& input,
    labelList& order,
    const ListComparePredicate& comp
)
{
    const label len = input.size();
 
    // List lengths must be identical
    if (order.size() != len)
    {
        // Avoid copying elements, they are overwritten anyhow
        order.clear();
        order.resize(len);
    }
 
    ListOps::identity(order);
 
    Foam::stableSort(order, comp);
}
 
 
template<class T>
void Foam::sort(UPtrList<T>& list)
{
    labelList order(list.size());
    sortedOrder(list, order);
    list.sortOrder(order, false);  // false = allow nullptr
}
 
 
template<class T, class Compare>
void Foam::sort(UPtrList<T>& list, const Compare& comp)
{
    labelList order(list.size());
    sortedOrder(list, order, comp);
    list.sortOrder(order, false);  // false = allow nullptr
}
 
 
template<class T>
void Foam::shuffle(UPtrList<T>& list)
{
    labelList order(identity(list.size()));
    Foam::shuffle(order);
    list.sortOrder(order, false);  // false = allow nullptr
}
 
 
// ************************************************************************* //