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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2018 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/>.
\*---------------------------------------------------------------------------*/
#include "Histogram.H"
#include "ListOps.H"
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
template<class List>
void Foam::Histogram<List>::count(const List& bins, const List& l)
{
if (bins.size() < 2)
{
FatalErrorInFunction
<< "Should have at least two values in bins. Now:" << bins
<< exit(FatalError);
}
counts_.setSize(bins.size()-1);
counts_ = 0;
nLow_ = 0;
nHigh_ = 0;
forAll(l, i)
{
label index = findLower(bins, l[i]);
if (index == -1)
{
nLow_++;
}
else if (index == bins.size()-1)
{
nHigh_++;
}
else
{
counts_[index]++;
}
}
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
template<class List>
Foam::Histogram<List>::Histogram(const List& bins, const List& l)
{
count(bins, l);
}
template<class List>
Foam::Histogram<List>::Histogram
(
const typename List::const_reference min,
const typename List::const_reference max,
const label nBins,
const List& l
)
{
List bins(nBins+1);
typename List::value_type span = (max-min) / nBins;
bins[0] = min;
for (label i = 1; i < nBins; i++)
{
bins[i] = bins[i-1] + span;
}
// Set max directly to avoid truncation errors.
bins[nBins] = max;
count(bins, l);
}
// ************************************************************************* //
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