mirror of
https://develop.openfoam.com/Development/openfoam.git
synced 2025-11-28 03:28:01 +00:00
03d180724b
- provide key_iterator/const_key_iterator for all hashes,
reuse directly for HashSet as iterator/const_iterator, respectively.
- additional keys() method for HashTable that returns a wrapped to
a pair of begin/end const_iterators with additional size/empty
information that allows these to be used directly by anything else
expecting things with begin/end/size. Unfortunately does not yet
work with std::distance().
Example,
for (auto& k : labelHashTable.keys())
{
...
}
111 lines
3.0 KiB
C
111 lines
3.0 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) 2011 OpenFOAM Foundation
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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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\*---------------------------------------------------------------------------*/
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#include "IOstreams.H"
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#include "pTraits.H"
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#include "vector.H"
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#include "tensor.H"
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#include "uLabel.H"
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#include <type_traits>
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using namespace Foam;
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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// Main program:
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template<class T>
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void printTraits()
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{
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Info<< pTraits<T>::typeName
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<< ": zero=" << pTraits<T>::zero
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<< " one=" << pTraits<T>::one
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<< " integral=" << std::is_integral<T>::value
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<< " floating=" << std::is_floating_point<T>::value
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<< endl;
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}
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template<class T>
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void printTraits(const pTraits<T>& p)
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{
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Info<< p.typeName << " == " << p << endl;
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}
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#pragma GCC diagnostic warning "-Wmaybe-uninitialized"
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#pragma GCC diagnostic warning "-Wuninitialized"
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int main()
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{
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printTraits<bool>();
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printTraits<label>();
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printTraits<scalar>();
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printTraits<vector>();
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printTraits<tensor>();
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{
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pTraits<bool> b(true);
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printTraits(b);
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}
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{
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pTraits<label> l(100);
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printTraits(l);
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}
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printTraits(pTraits<scalar>(3.14159));
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label abc;
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Info<< "unintialized primitive:"<< abc << endl;
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label def = label();
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Info<< "intialized primitive:"<< def << endl;
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Info<< nl << "some interesting label limits:" << nl;
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std::cout<< "sizeof = " << sizeof(label) << nl;
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std::cout<< "min = " << pTraits<label>::min << nl;
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std::cout<< "max = " << pTraits<label>::max << nl;
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std::cout<< "umax = " << pTraits<uLabel>::max << nl;
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std::cout<< "max_2 = " << pTraits<label>::max/2 << " == "
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<< (1 << (sizeof(label)*8-2)) << nl;
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std::cout<< "max_4 = " << pTraits<label>::max/4 << " == "
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<< (1 << (sizeof(label)*8-3)) << nl;
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std::cout<< "max_8 = " << pTraits<label>::max/8 << " == "
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<< (1 << (sizeof(label)*8-4)) << nl;
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Info<< "End\n" << endl;
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return 0;
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}
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// ************************************************************************* //
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