multiply.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
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    Copyright (C) 2020 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
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    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/>.
 
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#include "multiply.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace functionObjects
{
    defineTypeNameAndDebug(multiply, 0);
    addToRunTimeSelectionTable(functionObject, multiply, dictionary);
}
}
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::functionObjects::multiply::multiply
(
    const word& name,
    const Time& runTime,
    const dictionary& dict
)
:
    fieldsExpression(name, runTime, dict)
{
    setResultName("multiply");
 
    if (fieldNames_.size() < 2)
    {
        FatalIOErrorInFunction(dict)
            << "At least two field names are required, but only "
            << fieldNames_.size() << " provided." << nl
            << exit(FatalIOError);
    }
}
 
 
bool Foam::functionObjects::multiply::calc()
{
    bool processed = false;
 
    Log << type() << ' ' << name() <<  " execute:" << nl;
 
    forAll(fieldNames_, i)
    {
        processed = false;
 
        if (i == 0)
        {
            initialiseResult<scalar>(fieldNames_[i]);
            initialiseResult<vector>(fieldNames_[i]);
            initialiseResult<sphericalTensor>(fieldNames_[i]);
            initialiseResult<symmTensor>(fieldNames_[i]);
            initialiseResult<tensor>(fieldNames_[i]);
        }
        else
        {
            multiplyResult<scalar>(fieldNames_[i], processed);
            multiplyResult<vector>(fieldNames_[i], processed);
            multiplyResult<sphericalTensor>(fieldNames_[i], processed);
            multiplyResult<symmTensor>(fieldNames_[i], processed);
            multiplyResult<tensor>(fieldNames_[i], processed);
        }
    }
 
    return processed;
}
 
 
// ************************************************************************* //