mirror of
https://develop.openfoam.com/Development/openfoam.git
synced 2025-12-28 03:37:59 +00:00
5a70be0846
- this was previously a UList instead of SubList, but SubList supports better assignment of values ENH: add invertOneToManyCompact - returns a CompactListList<label> instead of labelListList, which allows for reuse as partitioning table etc and/or slightly reduced memory overhead
518 lines
10 KiB
C++
518 lines
10 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | www.openfoam.com
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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Copyright (C) 2011-2016 OpenFOAM Foundation
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Copyright (C) 2019-2024 OpenCFD Ltd.
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "ListOps.H"
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#include "SubList.H"
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// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
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template<class T>
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inline void Foam::CompactListList<T>::enforceSizeSanity()
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{
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if (offsets_.size() == 1)
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{
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offsets_.clear();
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}
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if (offsets_.empty())
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{
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values_.clear();
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}
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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template<class T>
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inline Foam::CompactListList<T>::CompactListList
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(
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const CompactListList<T>& list
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)
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:
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offsets_(list.offsets_),
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values_(list.values_)
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{}
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template<class T>
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inline Foam::CompactListList<T>::CompactListList
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(
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CompactListList<T>&& list
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)
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:
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offsets_(std::move(list.offsets_)),
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values_(std::move(list.values_))
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{}
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template<class T>
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inline Foam::CompactListList<T>::CompactListList
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(
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CompactListList<T>& list,
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bool reuse
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)
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:
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offsets_(list.offsets_, reuse),
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values_(list.values_, reuse)
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{}
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template<class T>
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inline Foam::CompactListList<T>::CompactListList
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(
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const label mRows,
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const label nVals
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)
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:
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offsets_(mRows+1, Foam::zero{}),
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values_(nVals)
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{
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// Optionally: enforceSizeSanity();
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}
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template<class T>
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inline Foam::CompactListList<T>::CompactListList
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(
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const label mRows,
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const label nVals,
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const Foam::zero
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)
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:
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offsets_(mRows+1, Foam::zero{}),
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values_(nVals, Foam::zero{})
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{
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// Optionally: enforceSizeSanity();
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}
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template<class T>
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inline Foam::CompactListList<T>::CompactListList
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(
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const label mRows,
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const label nVals,
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const T& val
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)
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:
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offsets_(mRows+1, Foam::zero{}),
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values_(nVals, val)
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{
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// Optionally: enforceSizeSanity();
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}
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template<class T>
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inline Foam::autoPtr<Foam::CompactListList<T>>
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Foam::CompactListList<T>::clone() const
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{
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return autoPtr<CompactListList<T>>::New(*this);
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}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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template<class T>
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inline const T* Foam::CompactListList<T>::cdata() const noexcept
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{
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return values_.cdata();
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}
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template<class T>
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inline T* Foam::CompactListList<T>::data() noexcept
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{
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return values_.data();
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}
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template<class T>
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inline const char* Foam::CompactListList<T>::cdata_bytes() const noexcept
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{
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return values_.cdata_bytes();
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}
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template<class T>
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inline char* Foam::CompactListList<T>::data_bytes() noexcept
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{
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return values_.data_bytes();
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}
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template<class T>
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inline std::streamsize Foam::CompactListList<T>::size_bytes() const noexcept
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{
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return values_.size_bytes();
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}
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template<class T>
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inline bool Foam::CompactListList<T>::empty() const noexcept
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{
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// Note: could (should?) also check total size??
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// const label len = (offsets_.size() - 1);
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// return (len < 1) || (*(offsets_.cdata() + len) == 0);
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return (offsets_.size() <= 1);
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}
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template<class T>
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inline bool Foam::CompactListList<T>::single() const noexcept
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{
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return (offsets_.size() == 2);
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}
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template<class T>
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inline Foam::label Foam::CompactListList<T>::length() const noexcept
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{
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const label len = (offsets_.size() - 1);
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return (len < 1) ? static_cast<label>(0) : len;
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}
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template<class T>
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inline Foam::label Foam::CompactListList<T>::size() const noexcept
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{
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const label len = (offsets_.size() - 1);
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return (len < 1) ? static_cast<label>(0) : len;
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}
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template<class T>
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inline Foam::labelList Foam::CompactListList<T>::sizes() const
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{
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return localSizes();
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}
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template<class T>
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inline Foam::label Foam::CompactListList<T>::totalSize() const noexcept
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{
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return offsets_.empty() ? 0 : *(offsets_.cdata() + offsets_.size()-1);
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}
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template<class T>
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inline Foam::label Foam::CompactListList<T>::maxSize() const
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{
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return this->maxNonLocalSize(-1);
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}
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template<class T>
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inline const Foam::labelUList
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Foam::CompactListList<T>::localStarts() const
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{
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const label len = (offsets_.size() - 1);
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if (len < 1) return labelUList::null();
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return labelList::subList(offsets_, len);
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}
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template<class T>
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inline Foam::label Foam::CompactListList<T>::localStart(const label i) const
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{
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return offsets_[i];
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}
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template<class T>
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inline Foam::label Foam::CompactListList<T>::localEnd(const label i) const
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{
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return offsets_[i+1];
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}
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template<class T>
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inline Foam::label Foam::CompactListList<T>::localSize(const label i) const
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{
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return offsets_[i+1] - offsets_[i];
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}
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template<class T>
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inline const Foam::SubList<T>
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Foam::CompactListList<T>::localList(const label i) const
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{
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return SubList<T>(values_, (offsets_[i+1] - offsets_[i]), offsets_[i]);
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}
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template<class T>
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inline Foam::SubList<T>
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Foam::CompactListList<T>::localList(const label i)
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{
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return SubList<T>(values_, (offsets_[i+1] - offsets_[i]), offsets_[i]);
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}
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template<class T>
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inline Foam::label Foam::CompactListList<T>::toGlobal
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(
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const label rowi,
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const label i
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) const
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{
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return i + offsets_[rowi];
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}
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template<class T>
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inline Foam::label Foam::CompactListList<T>::toLocal
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(
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const label rowi,
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const label i
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) const
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{
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const label locali = i - offsets_[rowi];
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if (locali < 0 || i >= offsets_[rowi+1])
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{
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FatalErrorInFunction
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<< "Index " << i << " does not belong on row "
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<< rowi << nl << "Offsets:" << offsets_
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<< abort(FatalError);
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}
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return locali;
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}
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template<class T>
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inline Foam::label Foam::CompactListList<T>::findRow(const label i) const
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{
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return (i < 0 || i >= totalSize()) ? -1 : findLower(offsets_, i+1);
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}
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template<class T>
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inline Foam::label Foam::CompactListList<T>::whichRow(const label i) const
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{
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const label rowi = findRow(i);
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if (rowi < 0)
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{
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FatalErrorInFunction
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<< "Index " << i << " outside of range" << nl
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<< "Offsets:" << offsets_
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<< abort(FatalError);
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}
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return rowi;
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}
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template<class T>
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inline void Foam::CompactListList<T>::clear()
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{
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offsets_.clear();
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values_.clear();
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}
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template<class T>
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inline void Foam::CompactListList<T>::resize(const label mRows)
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{
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if (mRows == 0)
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{
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// Clear
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offsets_.clear();
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values_.clear();
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}
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else if (mRows < size())
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{
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// Shrink
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offsets_.resize(mRows+1);
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values_.resize(offsets_[mRows]);
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}
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else if (mRows > size())
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{
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// Extend number of rows, each with local size of 0
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const label endOffset = offsets_.empty() ? 0 : offsets_.back();
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offsets_.resize(mRows+1, endOffset);
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}
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}
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template<class T>
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inline void Foam::CompactListList<T>::resize
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(
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const label mRows,
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const label nVals
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)
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{
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if (mRows < 1)
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{
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// Enforce sizing sanity
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offsets_.clear();
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values_.clear();
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}
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else
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{
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offsets_.resize(mRows+1, Foam::zero{});
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values_.resize(nVals);
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}
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}
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template<class T>
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inline void Foam::CompactListList<T>::resize_nocopy
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(
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const label mRows,
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const label nVals
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)
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{
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if (mRows < 1)
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{
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// Enforce sizing sanity
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offsets_.clear();
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values_.clear();
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}
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else
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{
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offsets_.resize(mRows+1, Foam::zero{});
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values_.resize_nocopy(nVals);
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}
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}
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template<class T>
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inline void Foam::CompactListList<T>::resize
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(
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const label mRows,
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const label nVals,
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const T& val
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)
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{
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if (mRows < 1)
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{
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// Enforce sizing sanity
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offsets_.clear();
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values_.clear();
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}
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else
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{
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offsets_.resize(mRows+1, Foam::zero{});
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values_.resize(nVals, val);
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}
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}
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// * * * * * * * * * * * * * * * Member Operators * * * * * * * * * * * * * //
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template<class T>
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inline void Foam::CompactListList<T>::operator=
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(
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const CompactListList<T>& list
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)
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{
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if (this == &list)
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{
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return; // Self-assignment is a no-op
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}
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offsets_ = list.offsets_,
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values_ = list.values_;
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}
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template<class T>
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inline void Foam::CompactListList<T>::operator=
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(
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CompactListList<T>&& list
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)
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{
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if (this == &list)
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{
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return; // Self-assignment is a no-op
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}
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offsets_.transfer(list.offsets_);
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values_.transfer(list.values_);
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}
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template<class T>
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inline void Foam::CompactListList<T>::operator=(const T& val)
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{
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values_ = val;
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}
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template<class T>
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inline void Foam::CompactListList<T>::operator=(const Foam::zero)
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{
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values_ = Foam::zero{};
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}
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template<class T>
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inline const Foam::SubList<T>
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Foam::CompactListList<T>::operator[](const label i) const
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{
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// return SubList<T>(values_, (offsets_[i+1] - offsets_[i]), offsets_[i]);
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return this->localList(i);
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}
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template<class T>
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inline Foam::SubList<T>
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Foam::CompactListList<T>::operator[](const label i)
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{
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// return SubList<T>(values_, (offsets_[i+1] - offsets_[i]), offsets_[i]);
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return this->localList(i);
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}
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template<class T>
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inline T& Foam::CompactListList<T>::operator()
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(
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const label i,
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const label j
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)
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{
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return values_[toGlobal(i, j)];
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}
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template<class T>
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inline const T& Foam::CompactListList<T>::operator()
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(
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const label i,
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const label j
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) const
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{
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return values_[toGlobal(i, j)];
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}
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// ************************************************************************* //
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