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cfb752647a
- provide a globalIndex::calcOffsets() taking an indirect list, which
enables convenient offsets calculation from a variety of inputs.
- new CompactListList unpack variant: copy_unpack()
The copy_unpack() works somewhat like std::copy() in that it writes
the generated sublists to iterator positions, which makes this
type of code possible:
CompactListList<label> compact = ...;
DynamicList<face> extracted;
compact.copy_unpack<face>
(
std::back_inserter(extracted),
labelRange(4, 10)
);
-and-
const label nOldFaces = allFaces.size();
allFaces.resize(allFaces + nNewFaces);
auto iter = allFaces.begin(nOldFaces);
iter = compact.copy_unpack<face>(iter, /* selection 1 */);
...
iter = compact.copy_unpack<face>(iter, /* selection 2 */);
ENH: globalIndex resize()
- can be used to shrink or grow the offsets table.
Any extension of the offsets table corresponds to 'slots'
with 0 local size.
96 lines
2.8 KiB
C++
96 lines
2.8 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) 2023 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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Application
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Test-globalIndex2
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Description
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More functional tests for the globalIndex class.
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\*---------------------------------------------------------------------------*/
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#include "globalIndex.H"
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#include "argList.H"
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#include "Time.H"
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#include "IOstreams.H"
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#include "Random.H"
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#include "IndirectList.H"
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#include "SliceList.H"
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using namespace Foam;
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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// Main program:
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int main(int argc, char *argv[])
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{
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Random rnd(123456);
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// #include "setRootCase.H"
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// #include "createTime.H"
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Info<< nl
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<< "simple globalIndex tests" << nl << nl;
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Info<< "Construct from indirect list(s)" << nl;
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{
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// Some sizes
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labelList rawSizes(25);
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forAll(rawSizes, i)
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{
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rawSizes[i] = rnd.position<label>(0, 100);
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}
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Info<< nl
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<< "plain sizes: "
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<< flatOutput(rawSizes) << nl
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<< " offsets: "
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<< flatOutput(globalIndex::calcOffsets(rawSizes))
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<< nl;
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sliceRange slice(0, 5, 5);
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Info<< nl
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<< "range min/max " << slice.min() << '/' << slice.max() << nl;
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SliceList<label> sliceSizes(rawSizes, slice);
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Info<< nl
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<< "indirect addr: " << sliceSizes.addressing() << nl
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<< "indirect sizes: "
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<< flatOutput(sliceSizes) << nl
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<< " offsets: "
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<< flatOutput(globalIndex::calcOffsets(sliceSizes))
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<< nl;
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}
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Info<< "\nEnd\n" << endl;
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return 0;
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}
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// ************************************************************************* //
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