interpolationWeightsTemplates.C

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    Copyright (C) 2012-2016 OpenFOAM Foundation
    Copyright (C) 2019 OpenCFD Ltd.
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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.
 
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    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
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#include "interpolationWeights.H"
#include "products.H"
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class ListType1, class ListType2>
typename Foam::outerProduct
<
    typename ListType1::value_type,
    typename ListType2::value_type
>::type
Foam::interpolationWeights::weightedSum
(
    const ListType1& f1,
    const ListType2& f2
)
{
    typedef typename outerProduct
    <
        typename ListType1::value_type,
        typename ListType2::value_type
    >::type returnType;
 
    const label len = f1.size();
    if (len)
    {
        returnType SumProd = f1[0]*f2[0];
        for (label i = 1; i < len; ++i)
        {
            SumProd += f1[i]*f2[i];
        }
        return SumProd;
    }
 
    return Zero;
}
 
 
// ************************************************************************* //