subtract.C

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    Copyright (C) 2016 OpenFOAM Foundation
    Copyright (C) 2020 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
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#include "subtract.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace functionObjects
{
    defineTypeNameAndDebug(subtract, 0);
    addToRunTimeSelectionTable(functionObject, subtract, dictionary);
}
}
 
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
bool Foam::functionObjects::subtract::calc()
{
    return calcAllTypes(*this);
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::functionObjects::subtract::subtract
(
    const word& name,
    const Time& runTime,
    const dictionary& dict
)
:
    fieldsExpression(name, runTime, dict)
{
    setResultName("subtract");
 
    if (fieldNames_.size() < 2)
    {
        FatalIOErrorInFunction(dict)
            << "At least two field names are required, but only "
            << fieldNames_.size() << " provided." << nl
            << exit(FatalIOError);
    }
}
 
 
// ************************************************************************* //