fieldExprDriverTemplates.C

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// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::expressions::fieldExpr::parseDriver::getField
(
    const word& name
) const
{
    bool isPointVal = false;
    bool isUniformVal = false;
 
    tmp<Field<Type>> tfield;
 
    if (hasVariable(name) && variable(name).isType<Type>())
    {
        const expressions::exprResult& var = variable(name);
 
        isPointVal = var.isPointValue();
        isUniformVal = var.isUniform();
 
        tfield = var.cref<Type>().clone();
    }
 
    if (tfield.valid())
    {
        const label fldLen = tfield().size();
        const label len = (isPointVal ? this->pointSize() : this->size());
 
        if (returnReduce((fldLen == len), andOp<bool>()))
        {
            return tfield;
        }
 
        if (!isUniformVal)
        {
            WarningInFunction
                << "Variable " << name
                << " does not fit the size and is not a uniform value." << nl
                << "Using average value" << endl;
        }
 
        return tmp<Field<Type>>::New(this->size(), gAverage(tfield));
    }
 
    return tfield;
}
 
 
// ************************************************************************* //