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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2016 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
Application
testHashing
Description
\*---------------------------------------------------------------------------*/
#include "IOstreams.H"
#include "IOobject.H"
#include "IFstream.H"
#include "stringList.H"
#include "labelList.H"
#include "labelPair.H"
#include "edgeList.H"
#include "triFaceList.H"
#include "Hash.H"
using namespace Foam;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Main program:
int main(int argc, char *argv[])
{
IFstream is("hashingTests");
while (is.good())
{
const word listType(is);
Info<< endl;
IOobject::writeDivider(Info) << listType << endl;
if (listType == "stringList")
{
Info<< "contiguous = " << contiguous<string>() << endl << endl;
stringList lst(is);
forAll(lst, i)
{
unsigned hash1 = string::hash()(lst[i]);
Info<< hex << hash1 << ": " << lst[i] << endl;
}
}
else if (listType == "labelList")
{
Info<<"contiguous = " << contiguous<label>() << endl << endl;
labelList lst(is);
forAll(lst, i)
{
// direct value
unsigned hash1 = Hash<label>()(lst[i]);
// hashed byte-wise
unsigned hash2 = Hash<label>()(lst[i], 0);
Info<< hex << hash1
<< " (seeded: " << hash2 << ")"
<< ": " << dec << lst[i] << endl;
}
if (contiguous<label>())
{
unsigned hash3 = Hasher
(
lst.cdata(),
lst.size() * sizeof(label)
);
Info<<"contiguous hashed value " << hex << hash3 << endl;
}
}
else if (listType == "labelListList")
{
List<List<label>> lst(is);
forAll(lst, i)
{
unsigned hash1 = Hasher
(
lst[i].cdata(),
lst[i].size() * sizeof(label)
);
Info<< hex << hash1
<< ": " << dec << lst[i] << endl;
}
}
else if (listType == "edgeList")
{
Info<<"contiguous = " << contiguous<edge>() << endl << endl;
edgeList lst(is);
forAll(lst, i)
{
unsigned hash1 = Hash<edge>()(lst[i]);
// as FixedList
unsigned hash2 = labelPair::Hash<>()(lst[i]);
Info<< hex << hash1 << " (as FixedList: " << hash2
<< "): " << dec << lst[i] << endl;
}
}
else if (listType == "triFaceList")
{
Info<<"contiguous = " << contiguous<triFace>() << endl << endl;
triFaceList lst(is);
forAll(lst, i)
{
// direct value
unsigned hash1 = Hash<triFace>()(lst[i]);
unsigned hash2 = FixedList<label, 3>::Hash<>()(lst[i]);
Info<< hex << hash1 << " (as FixedList: " << hash2
<< "): " << dec << lst[i] << endl;
}
}
else
{
Info<< "unknown type: " << listType << endl;
}
}
return 0;
}
// ************************************************************************* //
|
