3151dacccc
- was already included in many places (via UList.C templates), but now formalise by placing in stdFoam.H
104 lines
2.7 KiB
C
104 lines
2.7 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) 2018 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 "HashOps.H"
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#include "bitSet.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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Foam::labelHashSet Foam::HashSetOps::used(const bitSet& select)
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{
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labelHashSet output(0);
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if (select.any())
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{
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output.resize(2*select.count());
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for (label i = select.find_first(); i >= 0; i = select.find_next(i))
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{
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output.insert(i);
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}
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}
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return output;
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}
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Foam::labelHashSet Foam::HashSetOps::used(const UList<bool>& select)
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{
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const label len = select.size();
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// No idea of the sparseness, just assume 1/8
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labelHashSet output(len/4);
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for (label i = 0; i < len; ++i)
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{
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if (select[i])
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{
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output.insert(i);
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}
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}
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return output;
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}
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Foam::bitSet Foam::HashSetOps::bitset(const labelHashSet& locations)
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{
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bitSet output;
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output.setMany(locations.begin(), locations.end());
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return output;
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}
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Foam::List<bool> Foam::HashSetOps::bools(const labelHashSet& locations)
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{
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auto const max = std::max_element(locations.begin(), locations.end());
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const label len = (max != locations.end() ? (1 + *max) : 0);
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if (len <= 0)
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{
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return List<bool>();
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}
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List<bool> output(len, false);
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for (const label i : locations)
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{
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if (i >= 0)
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{
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output[i] = true;
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}
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}
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return output;
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}
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// ************************************************************************* //
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