mirror of
https://develop.openfoam.com/Development/openfoam.git
synced 2025-11-28 03:28:01 +00:00
d4eb17a9ff
- this is somewhat like labelRange, but with a stride.
Can be used to define slices (of lists, fields, ..) or as a range specifier
for a for-loop. For example,
for (label i : sliceRange(0, 10, 3))
{
...
}
137 lines
3.2 KiB
C
137 lines
3.2 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 | Copyright (C) 2019 OpenCFD Ltd.
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\\/ M anipulation |
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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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Description
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Test slice range
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\*---------------------------------------------------------------------------*/
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#include "argList.H"
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#include "labelList.H"
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#include "FixedList.H"
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#include "sliceRange.H"
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using namespace Foam;
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typedef FixedList<label, 3> sliceCoeffs;
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void printInfo(const sliceCoeffs& coeffs)
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{
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sliceRange range(coeffs);
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Info<< nl
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<< "coeffs: " << coeffs << nl
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<< "range: " << range << nl
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<< "first: " << range.first() << nl
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<< "*begin " << *range.begin() << nl
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<< "last: " << range.last() << nl
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<< "*end " << *range.end() << nl
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<< "values: " << flatOutput(range.labels()) << nl;
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Info<< "for :";
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for (const label val : range)
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{
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Info<< ' ' << val;
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}
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Info<< nl;
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if (range.empty())
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{
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Info<< "empty"<< nl;
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return;
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}
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Info<< "mid-point [" << (range.size()/2) << "] = "
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<< range[range.size()/2] << nl;
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const auto endIter = range.cend();
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for (const label i : {-1, (range.size()/2), range.size()})
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{
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const auto iter = range.at(i);
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Info<< "at(" << i << ") = " << *iter;
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if (iter == endIter)
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{
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Info<< " (out-of-range)";
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}
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Info<< nl;
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}
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// Copy construct
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sliceRange range2(range);
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// Copy assign
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range2 = range;
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}
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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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argList::noBanner();
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argList::noParallel();
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argList::noFunctionObjects();
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argList args(argc, argv, false, true);
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for
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(
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sliceCoeffs coeffs :
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{
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sliceCoeffs{25, 8, 2},
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sliceCoeffs{15, 5, 3},
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sliceCoeffs{15, -5, 2},
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}
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)
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{
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printInfo(coeffs);
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}
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// Generator
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{
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sliceRange range(25, 8, 3);
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Info<< "Generator for " << range << nl;
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auto gen = range.generator();
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for (label i=0; i < 10; ++i)
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{
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Info<< " " << gen() << nl;
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}
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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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