LduMatrixPreconditioner.C

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#include "LduMatrix.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

template<class Type, class DType, class LUType>
Foam::autoPtr<typename Foam::LduMatrix<Type, DType, LUType>::preconditioner>
Foam::LduMatrix<Type, DType, LUType>::preconditioner::New
(
    const solver& sol,
    const dictionary& preconditionerDict
)
{
    const word preconditionerName
    (
        preconditionerDict.get<word>("preconditioner")
    );

    if (sol.matrix().symmetric())
    {
        auto* ctorPtr = symMatrixConstructorTable(preconditionerName);

        if (!ctorPtr)
        {
            FatalIOErrorInLookup
            (
                preconditionerDict,
                "symmetric matrix preconditioner",
                preconditionerName,
                *symMatrixConstructorTablePtr_
            ) << exit(FatalIOError);
        }

        return autoPtr<typename LduMatrix<Type, DType, LUType>::preconditioner>
        (
            ctorPtr
            (
                sol,
                preconditionerDict
            )
        );
    }
    else if (sol.matrix().asymmetric())
    {
        auto* ctorPtr = asymMatrixConstructorTable(preconditionerName);

        if (!ctorPtr)
        {
            FatalIOErrorInLookup
            (
                preconditionerDict,
                "asymmetric matrix preconditioner",
                preconditionerName,
                *asymMatrixConstructorTablePtr_
            ) << exit(FatalIOError);
        }

        return autoPtr<typename LduMatrix<Type, DType, LUType>::preconditioner>
        (
            ctorPtr
            (
                sol,
                preconditionerDict
            )
        );
    }

    FatalIOErrorInFunction(preconditionerDict)
        << "Cannot precondition incomplete matrix, "
           "no diagonal or off-diagonal coefficient"
        << exit(FatalIOError);

    return nullptr;
}


// ************************************************************************* //