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  • /*---------------------------------------------------------------------------*\
      =========                 |
      \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
       \\    /   O peration     |
        \\  /    A nd           | Copyright (C) 2018 OpenCFD Ltd.
         \\/     M anipulation  |
    -------------------------------------------------------------------------------
    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.
    
        OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
        ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
        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/>.
    
    \*---------------------------------------------------------------------------*/
    
    #include "ConstantField.H"
    
    // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
    
    template<class Type>
    Foam::PatchFunction1Types::ConstantField<Type>::ConstantField
    (
        const polyPatch& pp,
        const word& entryName,
        const Field<Type>& value,
        const dictionary& dict,
        const bool faceValues
    )
    :
        PatchFunction1<Type>(pp, entryName, dict, faceValues),
        value_(value)
    {}
    
    
    
    template<class Type>
    Foam::Field<Type> Foam::PatchFunction1Types::ConstantField<Type>::getValue
    (
        const word& keyword,
        const dictionary& dict,
        const label len
    )
    {
        Field<Type> fld;
    
        if (len)
        {
            ITstream& is = dict.lookup(keyword);
    
            // Read first token
            token firstToken(is);
    
            if (firstToken.isWord())
            {
                if
                (
                    firstToken.wordToken() == "uniform"
                 || firstToken.wordToken() == "constant"
                )
                {
                    fld.setSize(len);
                    fld = pTraits<Type>(is);
                }
                else
                {
                    FatalIOErrorInFunction(dict)
                        << "expected keyword 'uniform' or 'constant', found "
                        << firstToken.wordToken()
                        << exit(FatalIOError);
                }
            }
            else
            {
                fld.setSize(len);
    
                is.putBack(firstToken);
                fld = pTraits<Type>(is);
            }
        }
        return fld;
    }
    
    
    
    template<class Type>
    Foam::PatchFunction1Types::ConstantField<Type>::ConstantField
    (
        const polyPatch& pp,
        const word& entryName,
        const dictionary& dict,
        const bool faceValues
    )
    :
        PatchFunction1<Type>(pp, entryName, dict, faceValues),
    
        value_(getValue(entryName, dict, pp.size()))
    
    {}
    
    
    template<class Type>
    Foam::PatchFunction1Types::ConstantField<Type>::ConstantField
    (
        const ConstantField<Type>& cnst
    )
    :
        PatchFunction1<Type>(cnst),
        value_(cnst.value_)
    {}
    
    
    template<class Type>
    Foam::PatchFunction1Types::ConstantField<Type>::ConstantField
    (
        const ConstantField<Type>& cnst,
        const polyPatch& pp
    )
    :
        PatchFunction1<Type>(cnst, pp),
        value_(cnst.value_)
    {}
    
    
    // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
    
    template<class Type>
    void Foam::PatchFunction1Types::ConstantField<Type>::autoMap
    (
        const FieldMapper& mapper
    )
    {
        value_.autoMap(mapper);
    }
    
    
    template<class Type>
    void Foam::PatchFunction1Types::ConstantField<Type>::rmap
    (
        const PatchFunction1<Type>& pf1,
        const labelList& addr
    )
    {
        const auto& cst = refCast<const ConstantField<Type>>(pf1);
        value_.rmap(cst.value_, addr);
    }
    
    
    template<class Type>
    void Foam::PatchFunction1Types::ConstantField<Type>::writeData
    (
        Ostream& os
    ) const
    {
        PatchFunction1<Type>::writeData(os);
        //os  << token::SPACE << value_ << token::END_STATEMENT << nl;
        value_.writeEntry(this->name_, os);
    }
    
    
    // ************************************************************************* //