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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | www.openfoam.com
\\/ M anipulation |
-------------------------------------------------------------------------------
Copyright (C) 2018-2019 OpenCFD Ltd.
-------------------------------------------------------------------------------
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
Test-vector
Description
Some simple tests for vector
\*---------------------------------------------------------------------------*/
#include "vector.H"
#include "IOstreams.H"
#include <algorithm>
using namespace Foam;
void printInfo(const vector& vec)
{
Info<< "vector : " << vec << nl
<< "magSqr : " << magSqr(vec) << nl;
Info<< "component"
<< " max:" << cmptMax(vec)
<< " sum:" << cmptSum(vec)
<< " prod:" << cmptProduct(vec)
<< " mag:" << cmptMag(vec)
<< " magSqr:" << cmptMagSqr(vec)
<< nl << nl;
}
void doTest(vector& vec1, vector& vec2)
{
Info<<"normalised(vector1): " << normalised(vec1) << nl;
Info<<"vector1: " << vec1 << nl;
vec1.normalise();
Info<<"normalised: " << vec1 << nl;
vector vecsmall((1e-100 * vec1));
Info<<"small: " << vecsmall << nl;
Info<<"small normalised: " << normalised(vecsmall) << nl;
Info<<"small diff: " << (vecsmall.normalise() - vec1) << nl;
vec1 *= 4.0;
Info<< "scalar mult: " << vec1 << nl;
Info<< "addition : " << (vec1 + vec1) << nl;
printInfo(vec1);
printInfo(vec2);
Info<< "min of " << vec1 << " and " << vec2 << " = "
<< min(vec1, vec2) << nl << nl;
}
template<class VecSpace>
void testIterator(const VecSpace& vs)
{
Info<< "size: " << vs.size() << " for:";
for (const auto& val : vs)
{
Info<< " " << val;
}
Info<< nl;
}
template<class VecSpace>
void testData(const VecSpace& vs)
{
Info<< "size: " << vs.size() << " for:";
const auto* data = vs.cdata();
for
(
const auto* endData = data + VecSpace::nComponents;
data != endData;
++data
)
{
Info<< " " << *data;
}
Info<< nl;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Main program:
int main(int argc, char *argv[])
{
Info<<"normalised: " << vector(1,2,3).normalise() << nl;
Info<<"normalised: " << vector(VSMALL,VSMALL,VSMALL).normalise() << nl;
Info<<"normalised: " <<
vector(ROOTVSMALL,ROOTVSMALL,ROOTVSMALL).normalise() << nl;
{
vector vec1(0.5, 0.5, 0.5);
vector vec2(0.5, 0.51, -0.5);
doTest(vec1, vec2);
testIterator(vec1);
testIterator(vec2);
testData(vec2);
// Use STL algorithm(s)
std::sort(vec2.begin(), vec2.end());
Info<< "sorted: " << vec2 << nl;
std::random_shuffle(vec2.begin(), vec2.end());
Info<< "shuffled: " << vec2 << nl;
}
Info<< "\nEnd\n" << nl;
return 0;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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