bitSetTemplates.C

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    Copyright (C) 2018-2019 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
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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 <algorithm>
#include "FixedList.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<unsigned N>
Foam::bitSet::bitSet(const label n, const FixedList<label, N>& locations)
:
    bitSet(n)
{
 
    setMany(locations.begin(), locations.end());
}
 
 
template<unsigned N>
Foam::bitSet::bitSet(const FixedList<label, N>& locations)
:
    bitSet()
{
 
    setMany(locations.begin(), locations.end());
}
 
 
template<class Addr>
Foam::bitSet::bitSet
(
    const bitSet& bitset,
    const IndirectListBase<label, Addr>& addr
)
:
    bitSet(addr.size())
{
    const label len = addr.size();
 
    for (label i = 0; i < len; ++i)
    {
        set(i, bitset.get(addr[i]));
    }
}
 
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class InputIter>
Foam::label Foam::bitSet::setMany(InputIter first, InputIter last)
{
    // Check the max expected value first
    const auto max = std::max_element(first, last);
    const label len = (max != last ? (1 + *max) : 0);
 
    label changed = 0;
 
    if (len > 0)
    {
        reserve(len);
 
        for (; first != last; ++first)
        {
            if (set(*first))
            {
                ++changed;
            }
        }
    }
 
    return changed;
}
 
 
template<class InputIter>
Foam::label Foam::bitSet::unset(InputIter first, InputIter last)
{
    label changed = 0;
 
    for (; first != last; ++first)
    {
        if (unset(*first))
        {
            ++changed;
        }
    }
 
    return changed;
}
 
 
template<unsigned N>
Foam::label Foam::bitSet::set(const FixedList<label, N>& locations)
{
    return setMany(locations.begin(), locations.end());
}
 
 
template<unsigned N>
Foam::label Foam::bitSet::unset(const FixedList<label, N>& locations)
{
    return unset(locations.begin(), locations.end());
}
 
 
// ************************************************************************* //