regionSizeDistributionTemplates.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | Copyright (C) 2012 OpenFOAM Foundation
     \\/     M anipulation  |
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License
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    the Free Software Foundation, either version 3 of the License, or
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
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#include "regionSizeDistribution.H"
#include "regionSplit.H"
#include "volFields.H"
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class Type>
Foam::Map<Type> Foam::regionSizeDistribution::regionSum
(
    const regionSplit& regions,
    const Field<Type>& fld
) const
{
    // Per region the sum of fld
    Map<Type> regionToSum(regions.nRegions()/Pstream::nProcs());
 
    forAll(fld, cellI)
    {
        label regionI = regions[cellI];
 
        typename Map<Type>::iterator fnd = regionToSum.find(regionI);
        if (fnd == regionToSum.end())
        {
            regionToSum.insert(regionI, fld[cellI]);
        }
        else
        {
            fnd() += fld[cellI];
        }
    }
    Pstream::mapCombineGather(regionToSum, plusEqOp<Type>());
    Pstream::mapCombineScatter(regionToSum);
 
    return regionToSum;
}
 
 
// Get data in sortedToc order
template<class Type>
Foam::List<Type> Foam::regionSizeDistribution::extractData
(
    const UList<label>& keys,
    const Map<Type>& regionData
) const
{
    List<Type> sortedData(keys.size());
 
    forAll(keys, i)
    {
        sortedData[i] = regionData[keys[i]];
    }
    return sortedData;
}
 
 
// ************************************************************************* //